KF Fittings

 KF O-ring O-ring features a depth stop for clamping with Viton O-ring also fits the following high vacuum connections. NW16 NW25 NW40 NW50

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KF Clamps Clamp for standard High Vacuum flanges. Size Available: KF-16 KF-25 KF-40 KF-50

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KF Solid End Caps This is a solid KF Endcap to cap of any size port when needed  Size Available: NW16 NW25 NW40 NW50

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KF Flange x FNPT Adapter KF- or NW Vacuum fittings are designed for Ultra-High-Vacuum applications and are made out of 304 stainless steel. These fittings require a special gasket with metal centering ring to not allow over compression of the gasket. These fittings have female NPT threads that come in a variety of sizes, Female NPT threading which require thread sealant if they are installed to another NPT adapted fitting.

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KF-25 X 1" Stainless Steel Hose Barb This is a KF-25 (NW25) x 1" Stainless Steel Hose Barb to adapter flexible vacuum tubing to the system made out of 304 stainless steel.

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Stainless Steel KF-25 x Glass Jointed Adapter This Custom Built 304 Stainless Steel Adapter allows the user to adapt to a KF-25 high vacuum fitting to a 24/40 or 34/45 ground glass joint fitting to allow the user to connect a KF flanged laboratory grade vacuum pump.

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This unique adapter allows the user to adapt a KF25 or KF40 High Vacuum Flange fitting to a male ground joint glass fitting and it is made out of 304 stainless steel.

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This 304 Stainless Steel KF Vacuum Flange Reducer / Adapter is designed to convert K16 to KF25 or KF25 to K40 and vise versa.

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KF Flange x Tri-Clamp End Cap Adapter These 304 stainless steel adapters allow you to adapt from a KF (NW) type flange to a Tri-Clamp sanitary flange. This part can be used for vacuum lines or even adapting to a distillation setup.

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KF-25 x Barb Adapter This 304 Stainless Steel KF-25 adapter is fitted with a 304 stainless hose barb adapter to connect a vacuum pump or vacuum oven to a flexible rubber hose.

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KF-25 x JIC Flare Adapter This 304 Stainless Steel KF-25 adapter is fitted with a 304 stainless 37° JIC Flare adapter to connect a vacuum pump or vacuum oven to a stainless steel braided chemical hose or a hvac hose.

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Adapts to the 1/4" connections for most vacuum pumps on the market.

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KF-25 Ground Joint PTFE Adapter   This adapter will fit any standard 24/40 or 34/45 ground glass joints and adapt to a KF25 flange. This adapter is best used to hook up a glass system to a steel vacuum hose such a KF25 bellows. The Joint has an o-ring for better sealing, but vacuum grease is still recommended for the best connection.

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KF-25 x KF-25 x 1/8" FNPT Adapter This 304 stainless steel KF-25 adapter is specifically designed for adapting Digivac Bullseye Precision Vacuum Gauges to systems with reducing and minimizing connect / leak points on the system.

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KF-25 (NW25) Stainless Steel Ball Valve This ball valve has a KF25 (NW25) High Vacuum Flange to adapt to any other KF25 pump or manifold if needed and is made out of 304 stainless steel with a PTFE seat and seals. BVV™ Tri Clamp Ball Valve - Data Sheet

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KF Stainless Steel Bellow Hose  This KF or NW flange bellow hose is made out of 304-grade stainless steel which allows a high vacuum to be obtained with a large flow diameter for vapors. These bellow hoses are flexible and allow the user to connect a KF flanged vacuum pump to a KF flanged vacuum oven or any other application using adapters like our KF x NPT or KF x Tri-Clamp Fittings.

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KF-25 Stainless Steel Spools This spool has KF-25 connections on the end and is made out of high polish 304-grade stainless steel.

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KF Connection Braided Stainless Steel Bellow Hose This KF or (NW) bellow hose is made out of 304-grade stainless steel with braided exterior which allows a high vacuum to be obtained with a large flow diameter for vapors. These bellow hoses are flexible and allow the user to connect a KF flanged vacuum pump to a KF flanged vacuum oven or any other application using adapters. Sizes Available: KF-16 KF-40 KF-50 Lengths Available: 20" 40"

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KF-25 90 Degree Stainless Steel Elbow This 90-degree elbow has KF-25 connections on the end and is made out of high polish 304-grade stainless steel.

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KF-25 Stainless Steel 90 Degree Manifold This 90 degree stainless steel KF-25 manifold has 2 1/4" FNPT ports and measures 10" x 7".

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KF-25 Stainless Steel 90 Degree Manifold - Long This 90 degree stainless steel KF-25 manifold has 2 1/4" FNPT ports and measures 10" x 36".

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This Unique 304 Stainless Steel KF-25 Y Bellow has 3 attachment points for KF-25 fittings and 2 flexible ends and 1 rigid end that let the user position them the way that best suits their operation. It has an overall length of 17" and a width of ~16".

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This is a KF-25 Flanged Tee for High Vacuum Applications. The Material is 304SS and it has a maximum vacuum rating of 10^-7 torr @ 72F.

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This is a KF-25 Cross for 4 Way splitting of Vacuum Applications especially vacuum ovens connected to a single Vacuum Pump in an array. The material is 304 Stainless Steel with a 10^-7 torr @ 72F Vacuum Rating. Does not include KF-25 Clamp or O-ring these items are sold separately.

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This is a KF-25 5 Way manifold for the splitting of vacuum applications especially vacuum ovens connected to a single Vacuum Pump in an array. The material is 304 Stainless Steel with a 10^-7 torr @ 72F Vacuum Rating. (Note: Does not include KF-25 Clamp or O-ring these items are sold separately.)

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KF Hand Needle Valve   This 90 degree valve has a KF (NW) High Vacuum Flange to adapt to any other KF type pump or manifold if needed. Sizes available include KF16, KF25, KF40, and KF50. It is made out of 304 stainless steel with Viton seals. This valve is not meant for precise flow control.

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KF-40 Stainless Steel FNPT End Cap This is a FNPT KF-40 (NW40) Endcap to adapt a KF40 fitting to Female NPT Threads for 1/4", 3/8", and 1/2" NPT.

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KF-50 Stainless Steel FNPT End Cap This is a FNPT KF-50 (NW50) Endcap to adapt a KF50 fitting to Female NPT Threads for 1/4", 3/8", and 1/2" NPT.

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KF-40 (NW40) Stainless Steel Ball Valve This ball valve has a KF40 (NW40) High Vacuum Flange to adapt to any other KF40 pump or manifold if needed and is made out of 304 stainless steel with a PTFE seat and seals. BVV™ Tri Clamp Ball Valve - Data Sheet

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This is a KF-40 Flanged Tee for High Vacuum Applications. The Material is 304SS and it has a maximum vacuum rating of 10^-7 torr @ 72F.

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These 4 piece sight glasses can hold high vacuum levels on a system with KF connections. The housing is made of 304 stainless steel with a viton x-profile seal. The glass is tempered, impact resistant glass that increases the longevity of the sight glass. The connection sizes available are: KF25 (NW25) KF40 (NW40) KF50 (NW50) *Light assembly may be required with a 5/64" Allen wrench. Before assembly, a light application of vacuum grease on the gasket is recommended. 

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Adapter from KF25 (NW25) to a 35mm ball joint fitting, commonly found on glass components. This part is recommended only to be used on glass joints with an o-ring seal.

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