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Vacuum Connection Parts and Fittings - Vacuum clamps, O-rings, centring rings, blanking plates, hose adaptors
 Vacuum fittings: KF40-40>25; KF25>19; KF40 for 19 hose; VTR-19 tubing; SS Vac bellow KF40; plus KF clamps + rings All NW/KF style vacuum connections conform to the international ISO 2861/I standard. KF series quick release flanges also comply with Standard GB4982-85. Other vacuum components, which may include three-way types, blind plates, metal flexible corrugated pipes, callipers and bolts, heel blocks and holders, comply with the ISO Standard 9000:2000. They are widely used in the assorted vacuum systems and low-voltage pipe systems, such as electronic, food machinery, the petrochemical industry, and medicine machinery. Our vacuum fittings come with plastic protective caps which help protect the NW/KF flanges from scratches and dust.
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 Klein Flange (KF/NW) fittings are the industry standard for vacuum components in the low and medium vacuum range and can be found on a variety of laboratory, production and test equipment. "The ISO standard quick release flange is known by the names Quick Flange (QF), Klein Flange (KF) or NW, sometimes also as DN." - Wikipedia. KF fittings are an economical system of reusable interfacing stainless steel vacuum fittings and components. Each vacuum seal is made by compression of an O-ring on a centring ring between mating flanges. The seal is made in seconds by finger-closure of a wing nut on the all-metal hinged swing clamp.  Many pumps and vacuum gauges use the standard NW/KF flanges for easy integration. Test systems can be readily and quickly built utilizing the large selection of NW/KF type components and can be easily modified for new tasks and applications. The NW/KF style vacuum components are available in the standard NW16 to NW50, with some components available in the smaller NW10. The NW/KF system refers to the internal bore in mm:
| NW/KF standard size | Internal diameter |
|---|
| NW/KF10 |
10mm |
| NW/KF16 |
16mm |
| NW/KF25 |
25mm |
| NW/KF40 |
40mm |
| NW/KF50 |
50mm |
The terms NW, KF or QF all refer to the same standard quick release vacuum couplings. Most standard NW/KF style quick release vacuum connections are made from a high quality grade 304 stainless steel. Stainless steel is a cleaner, stronger and more durable alternative to aluminium For specific applications, some vacuum components are also available in aluminium. The competitively priced ball valves offer an easy and quick way ISO fittings are joined by a centring ring and an elastomer o-ring.  "The ISO large flanges come in two varieties. The ISO-K (or ISO LF) flanges are joined with double claw clamps which clamp to a circular groove on the tubing side of the flange. The ISO-F (or ISO LFB) flanges have holes for attaching the two flanges with bolts. Two tubes with ISO-K and ISO-F flanges can be joined together by clamping the ISO-K side with single claw clamps which are then bolted to the holes on the ISO-F side." - WikipediaISO large flanges are available in sizes from 63 to 500mm nominal tube diameter.
| ISO standard size | Tube diameter (mm) |
|---|
| DN63LF |
63.5 mm |
| DN100LF |
102 mm |
| DN160LF |
160 mm |
| DN200LF |
200 mm |
| DN250LF |
254 mm |
| DN320LF |
316 mm |
| DN400LF |
400 mm |
| DN500LF |
500 mm |
Conflat (CF) fittings use a copper gasket and knife-edge flange to achieve an ultrahigh vacuum seal.  "Each face of the two mating CF flanges has a knife edge which cuts into the softer metal gasket, providing an extremely leak-tight, metal-to-metal seal. Deformation of the metal gasket fills small defects in the flange..." - Wikipedia
| European, Asian size | North American size [inches] |
|---|
| DN10 |
1 |
| DN16 |
1⅓ ("mini") |
| DN25 |
2⅛ |
| DN40 (or: DN35) |
2¾ |
| DN50 |
3⅜ |
| DN63 |
4½ |
| DN75 |
4⅝ |
| DN100 |
6 |
| DN125 |
6¾ |
| DN160 (or: DN150) |
8 |
| DN200 |
10 |
| DN250 |
12 |
| |
13¼ |
| |
14 |
| |
16½ |
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[click to enlarge]
Vacuum assortment
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 KLEIN FLANGES with locating rings and O-rings Cost efficient aluminium clamp to connect standard NW/KF components. This is the most popular wing nut clamp. Swing clamp/quick coupling with centring ring and O-ring. Features
- Fastens KF flanges of corresponding size
- Easy to assemble easy to clamp and unclamp without tools
- Comes with stainless steel eye bolt and wing nut
- Can be heated upto 150°C
- Requires centring ring with Elastomer O-Ring to create seal
| Cat. No. |
Size |
Locating ring material |
O-ring material |
Height [A] (mm) |
Width [B] (mm) |
Internal Diameter [D] (mm) |
| VKF-10 |
DN 10 ISO-KF |
Aluminium |
Viton |
45 |
61 |
22 |
| VKF-16 |
DN 16 ISO-KF |
Aluminium |
Viton |
45 |
61 |
22 |
| VKF-25 |
DN 25 ISO-KF |
Aluminium |
Viton |
55 |
72 |
32 |
| VKF-40 |
DN 40 ISO-KF |
Aluminium |
Viton |
70 |
90 |
47 |
| VKF-50 |
DN 50 ISO-KF |
Aluminium |
Viton |
95 |
123 |
63 |
The flange is made from aluminium with a SS butterfly nut and thread.
VKF-10 Klein flange, with Al locating ring and O-ring, KF10 AUD13.00 20% discount for 10
Available
VKF-16 Klein flange, with Al locating ring and O-ring, KF16 AUD16.00 20% discount for 10
Available
VKF-25 Klein flange, with Al locating ring and O-ring, KF25 AUD18.00 20% discount for 10
Available
VKF-40 Klein flange, with Al locating ring and O-ring, KF40 AUD21.00 20% discount for 10
Available
VKF-50 Klein flange, with Al locating ring and O-ring, KF50 AUD29.00 20% discount for 10
Available
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NW/KF WING NUT CLAMPS, FORGED 304 STAINLESS STEELForged 304 stainless steel clamps are suitable for cleanroom environments. The SS Klein flanges come with a locating ring and O-ring.
VKF-SS-KF10 Klein flange, SS, KF10 AUD21.00 10% discount for 5
Availability
VKF-SS-KF16 Klein flange, SS, KF16 AUD21.00 10% discount for 5
Available
VKF-SS-KF25 Klein flange, SS, KF25 AUD25.00 10% discount for 5
Available
VKF-SS-KF40 Klein flange, SS, KF40 AUD28.00 10% discount for 5
Available
VKF-SS-KF50 Klein flange, SS, KF50 AUD27.00 10% discount for 5
Availability
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 LOCATING RINGS WITH O-RING (Centring ring with O-ring gasket) A circumferential clamp and a centring ring with an o-ring form the vacuum seal between the connecting flanges. Made from Stainless Steel (SS304) and Viton ®.  Also available in ISO - ask.
| Cat. No |
Locating ring material |
External diameter (mm) |
Internal diameter (mm) |
Width (mm) |
O-ring width (mm) |
| VLR-10 |
SS |
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| VLR-16 |
SS |
28 |
16 |
8 |
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| VLR-25 |
SS |
38 |
25 |
8 |
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| VLR-40 |
SS |
53 |
40 |
8 |
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| VLR-50 |
SS |
65 |
50 |
8 |
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VLRV-KF10 Locating ring, SS, with Viton O-ring, KF10 AUD10.00 /each 10% discount for 5
Available
VLRV-KF16 Locating ring, SS, with Viton O-ring, KF16 AUD21.00 /pk/5 10% discount for 4
Available
VLRV-KF25 Locating ring, SS, with Viton O-ring, KF25 AUD22.00 /pk/5 10% discount for 4
Available
VLRV-KF40 Locating ring, SS, with Viton O-ring, KF40 AUD26.00 /pk/5 10% discount for 4
Available
VLRV-KF50 Locating ring, SS, with Viton O-ring, KF50 AUD13.00 /each 20% discount for 10
Available
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CENTRING RINGS WITH MESH SCREEN AND O-RINGUsed on pumps and other applications where components need to be shielded from small particles entering. NW/KF Centring Rings, 304 Stainless Steel with 60 Mesh SS Screen and Viton O-Ring  
VLRM-KF10 Locating ring, SS, Viton O-ring, 60 mesh SS screen, KF10 AUD12.00 10% discount for 5
Availability
VLRM-KF16 Locating ring, SS, Viton O-ring, 60 mesh SS screen, KF16 AUD13.00 10% discount for 5
Available
VLRM-KF25 Locating ring, SS, Viton O-ring, 60 mesh SS screen, KF25 AUD14.00 10% discount for 5
Available
VLRM-KF40 Locating ring, SS, Viton O-ring, 60 mesh SS screen, KF40 AUD15.00 10% discount for 5
Available
VLRM-KF50 Locating ring, SS, Viton O-ring, 60 mesh SS screen, KF50 AUD18.00 10% discount for 5
Available
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REDUCING LOCATING RING WITH O-RINGNW/KF Adaptive Centring Rings, 304 Stainless Steel with Viton O-Ring These adapter rings are used when less common (older) NW/KF 10, NW/KF 20 and NW/KF 32 flanges need to be connected to the standard NW/KF parts.   
VLRR-KF16-10 Locating ring, SS, with Viton O-ring, reducing KF16 to KF10 AUD2.00
Availability
VLRR-KF25-20 Locating ring, SS, with Viton O-ring, reducing KF25 to KF20 AUD11.00
Availability
VLRR-KF40-32 Locating ring, SS, with Viton O-ring, reducing KF40 to KF32 AUD11.00
Availability
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NW/KF CENTRING RINGS, 304 STAINLESS STEEL WITHOUT O-RING 
VLR-KF10 Locating rings, SS, KF10 AUD15.00 /pk/5 10% discount for 5
Availability
VLR-KF16 Locating rings, SS, KF16 AUD17.00 /pk/5 10% discount for 5
Available
VLR-KF25 Locating rings, SS, KF25 AUD18.00 /pk/5 10% discount for 5
Available
VLR-KF40 Locating rings, SS, KF40 AUD21.00 /pk/5 10% discount for 5
Available
VLR-KF50 Locating rings, SS, KF50 AUD26.00 /pk/5 10% discount for 5
Available
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O-Rings for NW/KF Centring Rings in Viton®, Silicone and Buna-NDepending on pressure on the O-ring, environment and service temperature, O-rings need to be renewed to ensure leak-free seals. Use the O-rings to service the NW/KF connections on your vacuum systems. Viton® is well known for its excellent resistance to heat and to aggressive fuels and chemicals. Used for high vacuum applications, temperature range from -54°C to 250°C. Viton ® is a registered trademark of DuPont Performance Elastomers. Silicone is a popular O-Ring which is commonly red in colour and is used for chemical applications. Made of elastomeric materials made from silicone, oxygen, hydrogen and carbon. Excellent material for static service at extreme (hot or cold) temperatures. Outstanding flex and fatigue life. Very good for ozone and UV radiation as well as for resistance to fungal and biological attack. Limitations: Avoid chlorinated solvents, aliphatic and aromatic hydrocarbons and petroleum oils. Silicones are generally very permeable to gases and have poor physical strength and abrasion resistance. Temperature Range from -85°C to 232°C. LPCVD/Oxidation, Dry Etch, Resist Stripping. Buna-N, also known as Standard Nitrile, is used for non-critical and low vacuum applications, temperature range from -54°C to 150°C. Excellent resistance to petroleum-based oils and fuels, water and alcohols. Nitrile also has good resistance to acids and bases, except those with a strong oxidising effect. Limitations: Avoid highly polar solvents (Acetone, MEK, etc.) and direct exposure to ozone and sunlight.    
| O-ring Materials Comparison Table |
| Property |
Buna-N |
Viton® |
Silicone |
| Common Name |
Nitrile |
Fluor Elastomere |
Silicone Rubber |
| Tear Resistance |
Good |
Good |
Good |
| Abrasive Resistance |
Good |
Good |
Poor |
| Ozone Resistance |
Poor |
Excellent |
Excellent |
| Weather Resistance |
Fair |
Excellent |
Excellent |
| Heat Resistance |
Fair |
Excellent |
Excellent |
| Chemical Resistance |
Fair |
Excellent |
Good |
| Oil Resistance |
Poor |
Excellent |
Poor |
| Acid Resistance |
Fair |
Excellent |
Good |
| Alkali Resistance |
Good |
Good |
Fair |
| Steam Resistance |
Fair |
Fair |
Poor |
| Minimum Usable Temperature |
-54°C |
-54°C |
-85°C |
| Maximum Usable Temperature |
150°C |
260°C |
232°C |
| Color |
Black |
Black / Brown |
Red |
| Impermeability |
Fair |
Good |
Poor |
| Tensile Strength |
Good |
Good |
Poor |
| Cost |
Low |
High |
Medium |
VOR-B-KF16 O-Rings, Nitrile, for NW/KF centring rings, KF16 AUD9.00 /pk/10 10% discount for 5
Available
VOR-B-KF25 O-Rings, Nitrile, for NW/KF centring rings, KF25 AUD10.00 /pk/10 10% discount for 5
Available
VOR-B-KF40 O-Rings, Nitrile, for NW/KF centring rings, KF40 AUD13.00 /pk/10 10% discount for 5
Available
VOR-B-KF50 O-Rings, Nitrile, for NW/KF centring rings, KF50 AUD15.00 /pk/10 10% discount for 5
Available
VOR-S-KF16 O-Rings, Silicone, for NW/KF centring rings, KF16 AUD11.00 /pk/10 10% discount for 5
Available
VOR-S-KF25 O-Rings, Silicone, for NW/KF centring rings, KF25 AUD14.00 /pk/10 10% discount for 5
Available
VOR-S-KF40 O-Rings, Silicone, for NW/KF centring rings, KF40 AUD18.00 /pk/10 10% discount for 5
Available
VOR-S-KF50 O-Rings, Silicone, for NW/KF centring rings, KF50 AUD20.00 /pk/10 10% discount for 5
Available
VOR-V-KF16 O-Rings, Viton, for NW/KF centring rings, KF16 AUD10.00 /pk/5 10% discount for 4
Available
VOR-V-KF25 O-Rings, Viton, for NW/KF centring rings, KF25 AUD13.00 /pk/5 10% discount for 4
Available
VOR-V-KF40 O-Rings, Viton, for NW/KF centring rings, KF40 AUD16.00 /pk/5 10% discount for 4
Available
VOR-V-KF50 O-Rings, Viton, for NW/KF centring rings, KF50 AUD18.00 /pk/5 10% discount for 4
Available
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BLANKING FLANGESThese vacuum blanking plates, also known as end-plates, blank caps, blind flanges and blanking plugs, are made from 304 Stainless Steel (SS304). Used to blank off vacuum ports not being used. Can also be used for troubleshooting by blanking off sections to determine possible leaks. KF flanges are equal to the flanges known as KF (or Klein Flansche) by the International Standards Organization.
- KF fittings are used for through or foreline vacuum plumbing and simple HV (10-8 Torr) chambers
- Elastomeric o-ring limits the connection's temperature range and ultimate vacuum
- 304 stainless steel fittings work in adverse temperatures and corrosive conditions
- Aluminium or brass fittings work in more general applications
| Cat. No. |
Diameter [B] (mm) |
Width [A] (mm) |
| VBP-10 |
30 |
6 |
| VBP-16 |
30 |
6 |
| VBP-25 |
40 |
6 |
| VBP-40 |
55 |
6 |
| VBP-50 |
75 |
6 |
Also available in ISO 160, ISO 200, ISO 250, ISO 400 - ask.
VBP-10 Blanking plate, KF10 AUD10.00 10% discount for 5
Available
VBP-16 Blanking plate, KF16 AUD10.00 10% discount for 5
Availability
VBP-25 Blanking plate, KF25 AUD10.00 10% discount for 5
Available
VBP-40 Blanking plate, KF40 AUD16.00 10% discount for 5
Available
VBP-50 Blanking plate, KF50 AUD25.00 10% discount for 5
Available
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[click to enlarge]
VBP-16, 25, 40 and 50
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BLANK FLANGES (NON-ROTATABLE)Made from SS304. Features
- Basic non-rotatable seal flange with through or tapped holes for closing off a CF type flange
- Can be baked up to 450°C
- Requires Gasket for seal
- Requires corresponding bolt sets and gaskets to fasten and create seal
VBP-CF10 Blanking plate, non-rotatable, CF10 AUD23.00
Availability
VBP-CF16 Blanking plate, non-rotatable, CF16 AUD23.00
Availability
VBP-CF25 Blanking plate, non-rotatable, CF25 AUD33.00
Availability
VBP-CF40 Blanking plate, non-rotatable, CF40 AUD35.00
Availability
VBP-CF50 Blanking plate, non-rotatable, CF50 AUD49.00
Availability
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ISO BLANKING PLATESAsk for more information and pricing.
VBP-ISO63 Blanking plate, DN63LF ask
Availability
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NW/KF STUB FLANGES IN 304 STAINLESS STEEL AND ALUMINUM, UNBOREDUsed to blank off ports not being used. Can be used to modify for specific applications. The stub offers extra material to modify and connect non-standard vacuum connections. 
VSU-AL-KF10 Stub flange, unbored, Al, KF10 AUD8.00
Availability
VSU-AL-KF16 Stub flange, unbored, Al, KF16 AUD8.00
Availability
VSU-AL-KF25 Stub flange, unbored, Al, KF25 AUD9.00
Availability
VSU-AL-KF40 Stub flange, unbored, Al, KF40 AUD10.00
Availability
VSU-AL-KF50 Stub flange, unbored, Al, KF50 AUD11.00
Availability
VSU-SS-KF10 Stub flange, unbored, SS, KF10 AUD11.00
Availability
VSU-SS-KF16 Stub flange, unbored, SS, KF16 AUD11.00
Availability
VSU-SS-KF25 Stub flange, unbored, SS, KF25 AUD12.00
Availability
VSU-SS-KF40 Stub flange, unbored, SS, KF40 AUD14.00
Availability
VSU-SS-KF50 Stub flange, unbored, SS, KF50 AUD16.00
Availability
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KLEIN FLANGE TO HOSE ADAPTOR These joints, also called a nozzle adapters, smoke mouth joint or hose pipe adapters/hose connector adapters, connects a hose to a vacuum system using a KF clamp, often used with a hose clamp. Made from SS, these hose adapters are ribbed to give a excellent seal. See our thick wall PVC vacuum tubing reinforced with wire and our hose clamps. 
| Cat. No. |
Length [A] (mm) |
Internal diameter [B] (mm) |
External diameter [C] (mm) |
Diameter |
| VSM-16-12 |
40 |
7 |
12 |
30 |
| VSM-25-12 |
40 |
7 |
12 |
40 |
| VSM-40-12 |
40 |
7 |
12 |
55 |
| VSM-50-12 |
40 |
7 |
12 |
75 |
VSM-16-12 Hose adapter, KF16, for 12mm hose AUD16.00 20% discount for 10
Available
VSM-16-19 Hose adapter, KF16, for 19mm hose AUD16.00 20% discount for 10
Availability
VSM-25-12 Hose adapter, KF25, for 12mm hose AUD19.00 20% discount for 10
Available
VSM-25-19 Hose adapter, KF25, for 19mm hose AUD19.00 20% discount for 10
Availability
VSM-25-25 Hose adapter, KF25, for 25mm hose AUD19.00 20% discount for 10
Available
VSM-40-12 Hose adapter, KF40, for 12mm hose AUD26.00 20% discount for 10
Available
VSM-40-19 Hose adapter, KF40, for 19mm hose AUD26.00 20% discount for 10
Available
VSM-40-25 Hose adapter, KF40, for 25mm hose AUD26.00 20% discount for 10
Available
VSM-50-12 Hose adapter, KF50, for 12mm hose AUD43.00 20% discount for 10
Available
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WELD FLANGE These weld flanges have several names flat flanges, terminal pad, half nipple, tubulations, and flange coupling.As the name implies the primary purpose is for welding a Klein flange to metal tubing or to glue to hard plastic tubing. Weld flanges can be used as KF to hose adapters. Secure the vacuum tubing with a SS hose clamp. They are made from SS304 and machined from solid bar without welds. 
| Cat. No. |
Standard length [A] (mm) |
Internal Diameter (B) |
External Diameter (C) |
| VTP-10 |
12.7 to 70 |
10 |
14 |
| VTP-16 |
12.7 to 70 |
16 |
20 |
| VTP-25 |
12.7 to 70 |
25 |
28 |
| VTP-40 |
12.7 to 70 |
40 |
45 |
| VTP-50 |
12.7 to 70 |
50 |
55 |
Special specifications can be custom made - ask.
VTP-10-12 Weld flange, KF10, 12.7mm AUD21.00 20% discount for 10
Availability
VTP-10-25 Weld flange, KF10, 25mm AUD23.00 20% discount for 10
Availability
VTP-10-50 Weld flange, KF10, 50mm AUD24.00 20% discount for 10
Availability
VTP-16-12 Weld flange, KF16, 12.7mm AUD21.00 20% discount for 10
Availability
VTP-16-25 Weld flange, KF16, 25mm AUD23.00 20% discount for 10
Availability
VTP-16-50 Weld flange, KF16, 50mm AUD24.00 20% discount for 10
Available
VTP-16-70 Weld flange, KF16, 70mm AUD30.00 20% discount for 10
Availability
VTP-25-12 Weld flange, KF25, 12.7mm AUD23.00 20% discount for 10
Availability
VTP-25-25 Weld flange, KF25, 25mm AUD25.00 20% discount for 10
Available
VTP-25-50 Weld flange, KF25, 50mm AUD27.00 20% discount for 10
Available
VTP-25-70 Weld flange, KF25, 70mm AUD33.00 20% discount for 10
Available
VTP-40-12 Weld flange, KF40, 12.7mm AUD28.00 20% discount for 10
Availability
VTP-40-25 Weld flange, KF40, 25mm AUD32.00 20% discount for 10
Availability
VTP-40-50 Weld flange, KF40, 50mm AUD33.00 20% discount for 10
Availability
VTP-40-70 Weld flange, KF40, 70mm AUD38.00 20% discount for 10
Availability
VTP-50-12 Weld flange, KF50, 12.7mm AUD29.00 20% discount for 10
Availability
VTP-50-25 Weld flange, KF50, 25mm AUD35.00 20% discount for 10
Availability
VTP-50-50 Weld flange, KF50, 50mm AUD39.00 20% discount for 10
Availability
VTP-50-70 Weld flange, KF50, 70mm AUD53.00 20% discount for 10
Availability
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CONFLAT WELD FLANGECan also be used as a CF hose adapter. Special specifications can be custom made - ask.
VTP-CF10-40 Weld flange, conflat, CF10, 40mm AUD44.00 20% discount for 10
Availability
VTP-CF16-40 Weld flange, conflat, CF16, 40mm AUD44.00 20% discount for 10
Availability
VTP-CF25-40 Weld flange, conflat, CF25, 40mm AUD59.00 20% discount for 10
Availability
VTP-CF40-40 Weld flange, conflat, CF40, 40mm AUD71.00 20% discount for 10
Availability
VTP-CF50-40 Weld flange, conflat, CF50, 40mm AUD93.00 20% discount for 10
Availability
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 VACUUM REDUCING ADAPTERS - KF converter This adapter converts the KF size. Made from SS304. 
| Cat. No. |
DN1 |
DN2 |
Length (mm) |
Internal diameter (mm) |
| VAR-25-16 |
KF-25 |
KF-16 |
40 |
|
| VAR-40-16 |
KF-40 |
KF-16 |
40 |
|
| VAR-40-25 |
KF-40 |
KF-25 |
40 |
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| VAR-50-16 |
KF-50 |
KF-16 |
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| VAR-50-25 |
KF-50 |
KF-25 |
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| VAR-50-40 |
KF-50 |
KF-40 |
50 |
|
VAR-25-16 Reducing adapter, SS, KF25 to KF16 AUD37.00 10% discount for 5
Available
VAR-40-16 Reducing adapter, SS, KF40 to KF16 AUD39.00 10% discount for 5
Available
VAR-40-25 Reducing adapter, SS, KF40 to KF25 AUD46.00 10% discount for 5
Available
VAR-50-16 Reducing adapter, SS, KF50 to KF16 AUD48.00 10% discount for 5
Available
VAR-50-25 Reducing adapter, SS, KF50 to KF25 AUD53.00 10% discount for 5
Available
VAR-50-40 Reducing adapter, SS, KF50 to KF40 AUD54.00 10% discount for 5
Available
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COMPACT CONICAL REDUCERSTapered reducing adapter made from SS304.  
| Cat. No. |
Size |
Larger diameter (mm) |
Smaller diameter (mm) |
Length (mm) |
| VAT-25-16 |
NW25/16KF |
40 |
30 |
40 |
| VAT-40-16 |
NW40/16KF |
55 |
30 |
40 |
| VAT-40-25 |
NW40/25KF |
55 |
40 |
40 |
| VAT-50-16 |
NW50/16KF |
75 |
30 |
40 |
| VAT-50-25 |
NW50/25KF |
75 |
40 |
40 |
| VAT-50-40 |
NW50/40KF |
75 |
55 |
40 |
VAT-25-16 Conical reducing adapter, SS, KF25 to KF16 AUD38.00 20% discount for 10
Available
VAT-40-16 Conical reducing adapter, SS, KF40 to KF16 AUD42.00 20% discount for 10
Availability
VAT-40-25 Conical reducing adapter, SS, KF40 to KF25 AUD47.00 20% discount for 10
Available
VAT-50-16 Conical reducing adapter, SS, KF50 to KF16 AUD51.00 20% discount for 10
Availability
VAT-50-25 Conical reducing adapter, SS, KF50 to KF25 AUD54.00 20% discount for 10
Availability
VAT-50-40 Conical reducing adapter, SS, KF50 to KF40 AUD55.00 20% discount for 10
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FEMALE VCR ADAPTORS304 SS
VAVCR-F-KF40-06 VCR adaptor, straight coupling, KF40 port, female, 6.35mm AUD136.00
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VAVCR-F-KF40-12 VCR adaptor, straight coupling, KF40 port, female, 12.7mm AUD158.00
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MALE VCR ADAPTOR304 SS
VAVCR-M-KF40-06 VCR adaptor, straight coupling, KF40 port, male, 6.35mm AUD131.00
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VAVCR-M-KF40-12 VCR adaptor, straight coupling, KF40 port, male, 12.7mm AUD149.00
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NW/KF TO SWAGE-LOK® ADAPTERS The NW/KF to Swagelok ® Adapters allow the connection of small tubes with the widely used Swagelok ® connectors. Enables easy connection to existing small diameter tube constructions for evacuating the tubes. Ideal for research, instrumentation and experimental set-ups. All stainless steel 304 construction. Available for 1/8", 1/4", 3/8" and 1/2" tubes.
VAS-KF16-03 NW/KF16 to Swagelok® adapter, for 1/8" tubes, A=32mm ask
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VAS-KF16-06 NW/KF16 to Swagelok® adapter, for 1/4" tubes, A=39mm ask
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VAS-KF16-09 NW/KF16 to Swagelok® adapter, for 3/8" tubes, A=43mm ask
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VAS-KF16-12 NW/KF16 to Swagelok® adapter, for 1/2" tubes, A=50mm ask
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VAS-KF25-03 NW/KF25 to Swagelok® adapter, for 1/8" tubes, A=32mm ask
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VAS-KF25-06 NW/KF25 to Swagelok® adapter, for 1/4" tubes, A=39mm ask
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VAS-KF25-09 NW/KF25 to Swagelok® adapter, for 3/8" tubes, A=43mm ask
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VAS-KF25-12 NW/KF25 to Swagelok® adapter, for 1/2" tubes, A=50mm ask
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VAS-KF40-03 NW/KF40 to Swagelok® adapter, for 1/8" tubes, A=32mm ask
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VAS-KF40-06 NW/KF40 to Swagelok® adapter, for 1/4" tubes, A=39mm AUD108.00
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VAS-KF40-09 NW/KF40 to Swagelok® adapter, for 3/8" tubes, A=43mm ask
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VAS-KF40-12 NW/KF40 to Swagelok® adapter, for 1/2" tubes, A=50mm ask
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VAS-KF50-03 NW/KF50 to Swagelok® adapter, for 1/8" tubes, A=32mm ask
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VAS-KF50-06 NW/KF50 to Swagelok® adapter, for 1/4" tubes, A=39mm ask
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VAS-KF50-09 NW/KF50 to Swagelok® adapter, for 3/8" tubes, A=43mm ask
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VAS-KF50-12 NW/KF50 to Swagelok® adapter, for 1/2" tubes, A=50mm ask
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NW/KF QUICK COMPRESSION COUPLER  These NW / KF to Quick Compression Couplings allow the connection of standard tube or vacuum gauges to vacuum systems. Available for several standard tube sizes on NW16, NW25 and NW40. A convenient way to connect tubes without the need for welding. Ideal for temporary, test and research set-ups. Allows for adjustment and can be easily removed for a vacuum system. All stainless steel 304 construction with adapter, compression ring, cap and O-ring.
VCC-KF16-03 Compression coupling, NW/KF16, for 1/8" tube, A=3.3mm, B=36mm ask
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VCC-KF16-05 Compression coupling, NW/KF16, for 3/16" tube, A=4.8mm, B=36mm ask
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VCC-KF16-06 Compression coupling, NW/KF16, for 1/4" tube, A=6.9mm, B=36mm ask
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VCC-KF16-09 Compression coupling, NW/KF16, for 3/8" tube, A=9.6mm, B=36mm ask
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VCC-KF16-12 Compression coupling, NW/KF16, for 1/2" tube, A=13.2mm, B=38mm ask
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VCC-KF25-03 Compression coupling, NW/KF25, for 1/8" tube, A=3.3mm, B=36mm ask
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VCC-KF25-05 Compression coupling, NW/KF25, for 3/16" tube, A=4.8mm, B=36mm ask
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VCC-KF25-06 Compression coupling, NW/KF25, for 1/4" tube, A=6.9mm, B=36mm ask
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VCC-KF25-09 Compression coupling, NW/KF25, for 3/8" tube, A=9.6mm, B=36mm ask
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VCC-KF25-12 Compression coupling, NW/KF25, for 1/2" tube, A=13.2mm, B=38mm ask
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VCC-KF25-19 Compression coupling, NW/KF25, for 3/4" tube, A=19.6mm, B=46mm ask
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VCC-KF40-03 Compression coupling, NW/KF40, for 1/8" tube, A=3.3mm, B=36mm ask
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VCC-KF40-05 Compression coupling, NW/KF40, for 3/16" tube, A=4.8mm, B=36mm ask
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VCC-KF40-06 Compression coupling, NW/KF40, for 1/4" tube, A=6.9mm, B=36mm ask
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VCC-KF40-09 Compression coupling, NW/KF40, for 3/8" tube, A=9.6mm, B=36mm ask
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VCC-KF40-12 Compression coupling, NW/KF40, for 1/2 tube, A=13.2mm, B=38mm ask
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VCC-KF40-19 Compression coupling, NW/KF40, for 3/4" tube, A=19.6mm, B=46mm AUD145.00
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VCC-KF40-26 Compression coupling, NW/KF40, for 1" tube, A=26mm, B=51mm AUD166.00
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NW/KF Flange Adapters to Male NPT Thread  Used to connect pipes and systems with NPT thread to NW/KF flange system. Stainless steel adaptors are welded and helium leak tested. Aluminium adaptors are made from one piece (more cost effective alternative). Use OC® Three as a sealant and to prevent seizing. Please note that NPT (National Pipe Thread) does not refer to the outside diameter of the thread. For pricing and technical data - ask.
VNPTM-KF16-03AL NW/KF 16 Adaptor to 1/8" Male NPT, Aluminum, A=32mm ask
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VNPTM-KF16-03SS NW/KF 16 Adaptor to 1/8" Male NPT, 304 Stainless Steel, A=26mm ask
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VNPTM-KF16-06SS NW/KF 16 Adaptor to 1/4" Male NPT, 304 Stainless Steel, A=32mm ask
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VNPTM-KF25-03SS NW/KF 25 Adaptor to 1/8" Male NPT, 304 Stainless Steel, A=26mm ask
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VNPTM-KF25-06SS NW/KF 25 Adaptor to 1/4" Male NPT, 304 Stainless Steel, A=32mm ask
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VNPTM-KF25-12AL NW/KF 25 Adaptor to 1/2" Male NPT, Aluminium, A=38mm AUD60.00
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VNPTM-KF25-12SS NW/KF 25 Adaptor to 1/2" Male NPT, 304 Stainless Steel, A=47mm AUD95.00
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VNPTM-KF40-03SS NW/KF 40 Adaptor to 1/8" Male NPT, 304 Stainless Steel, A=26mm ask
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VNPTM-KF40-06SS NW/KF 40 Adaptor to 1/4" Male NPT, 304 Stainless Steel, A=32mm ask
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VNPTM-KF50-03SS NW/KF 50 Adaptor to 1/8" Male NPT, 304 Stainless Steel, A=26mm ask
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VNPTM-KF50-06SS NW/KF 50 Adaptor to 1/4" Male NPT, 304 Stainless Steel, A=32mm ask
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Adapters to NPT Thread Female and Male NPT Flanges and Adaptive Tees  Used to connect pipes, systems and thermocouples (1/8") with NPT thread to NW/KF flange system. Commonly used to connect filters with NPT thread on adaptors on the exhaust port of rotary vane pumps. Use OC® Three as a sealant and to prevent seizing. Please note that NPT (National Pipe Thread) does not refer to the outside diameter of the thread.  These NW/KF Flanges with 1/8" thread can be used with the P-100 Pirani Gauge to connect the P-100 Gauge to pumps and systems with standard NW/KF/QF flanges.
VNPTF-KF16-03AL NW/KF 16 Adaptor to 1/8" Female NPT, Aluminum, A=16mm, B=19mm ask
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NW/KF Adaptive Tee to Female NPT  In-line Tee connectors with 1/8" and 1/4" female NPT thread. Made out of a solid piece of 304 stainless steel. Use OC® Three as a sealant and to prevent seizing. Please note that NPT (National Pipe Thread) does not refer to the outside diameter of the thread. For pricing and technical data - ask.
VNPT3F-KF16-03SS NW/KF 16 Adaptive Tee to 1/8" Female NPT, 304 Stainless Steel, A=19mm, B=40 ask
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Vacuum Components & Adaptor Fittings - Inter-flange adapters, Hose Nozzle, Pipe Fittings
Copper Gaskets for CF Flanges Copper, the normal gaskets for stainless steel CF flanges are punched from 1/4-hard, high purity, oxygen-free (OFHC) copper stock, chemically cleaned and finished to be scratch and burr-free. Can be heated up to 450°C in flange assembly. Metal wire gaskets made of copper, gold or indium can be used. Metal gaskets are impermeable to gases and withstand moderately high temperatures indefinitely. The CF flange is the most widely used For high vacuum and UHV applications. Many gauges, instruments, accessories and feed throughs are available on this flange system. ProSciTech stocks a range of indium wire - use search for "indium" CF 16 - 1.33" CF 35 - 2.75" CF 63 - 4.5" CF 100 - 6.0" CF 150 - 8.0" CF 200 - 10.0" CF 150 - 8.0" CF 200 - 10.0" For pricing and technical data - ask.
Reducing adapters for pump intakes on vacuum pumps  For pricing and technical data - ask.
Blank Plugs for Quick Compression Couplings  Use the blank plug to close an unused compression coupling. Made from 304 stainless steel. For pricing and technical data - ask.
Vacuum Gauges, Digital and Dial TypeKW/KF Quick Vacuum Test Gauge Gauges above shown with NW/KF16 and 25
The NW/KF quick vacuum test gauge is mounted on a standard NW/KF flange and can be connected to any standard vacuum line of pump with NW/KF connection to quickly test the vacuum level. The gauge does not require any electrical connections and is intended as an indicator. The gauge has a dual scale from 0-30 inches Hg and 0-100kPa. Easy to read 50mm dial with steel housing and polycarbonate lens. The gauge is mounted on a stainless NW/KF adapter. A quick and cost-effective, dial type, test vacuum gauge. Available in NW/KF16, NW/KF25, NW/KF40 and NW/KF50. For pricing and technical data - ask.
P-100 Pirani Digital Gauge with Integral Sensor and Display
This compact vacuum measuring instrument offers the precision and high resolution of digital electronics with display and measuring device all in one small box. This extremely rugged Pirani Vacuum Gauge is constructed with a solid, noble, inert metal that maintains its calibration over long periods. The vacuum gauge does not contain gold and is compatible with mechanical, oil and mercury pumps. Operates at relatively low operating temperature and includes temperature compensation network to enhance stability.The vacuum connection on the P-100 Compact Integral Sensor Pirani Gauge is 1/8" NPT male thread and a selection of NW/KF adapters is available for easy connection to existing vacuum system. Due to its small size, it can be easily integrated in custom vacuum systems. The P-100 Pirani Vacuum Gauge can be easily transported and is ideal for service and maintenance applications to check performance of vacuum pumps, backing lines, airlocks and vacuum chambers. For pricing and technical data - ask
NW/KF, High Vacuum Electrical Feedthroughs The NW/KF Electrical Feedthrough is a universal type feedthrough, which can be used either as high voltage or instrumentation feedthrough for devices in vacuum. The NW/KF Electrical Feedthrough has 4 wires and each wire is rated to a maximum of 1000V and 1A in vacuum. The wires are colour coded; white, black, red and green and have no connectors. The feedthrough is based on an aluminium bored stub and available in NW/KF 16, -25, -40 and -50.  For pricing and technical data - ask.
NW/KF Viewports with 7056 Glass Window NW/KF 25, Style A Viewport (left) and NW/KF 40, Style B Viewport (right) The NW/KF Viewports consist of a one piece assembly. The viewport assembly replaces a blanking plate and uses a standard NW/KF Centring Assembly and Clamp for sealing (not included). The window size for NW16 and NW25 is 16mm (0.62"). For NW40 and NW50, the window has a diameter of 38mm (1.51"). The body is made of stainless steel, the window is made of 7056 borosilicate glass; see transmission curve below. Useful for observing inside vacuum lines or chambers. Temperature range -20°C to 200°C (-4°F to 392°F). Viton seal. Vacuum range down to 1x10 -9 Torr.
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Style B |
For pricing and technical data - ask
 Filters, Adapters and Foreline Traps - ask
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V5 |
Made from aluminium.
