Kaysen Steel Industry Co., Ltd.

Kaysen Steel Industry Co., Ltd.

chinasanitaryvalve@hotmail.com

0086-0577-86866707

Kaysen Steel Industry Co., Ltd.

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Kaysen Steel Industry Co., Ltd.

 [Zhejiang,China]

Business Type:Manufacturer

Main Markets: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide

Exporter:71% - 80%

Certs:ISO9001, ASME, CE, Test Report

HomeProductsVacuum ComponentsKF(NW) Vacuum Flanges & Components
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KF(NW) Vacuum Flanges & Components

(Total 29 Products)
ISO-KF SS304 Half Nipple Long Weld Stub KF-25

ISO-KF SS304 Half Nipple Long Weld Stub KF-25

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: ISO-KF(QF) 304L Stainless Steel Half Nipple, Long Weld Stub KF-25 KF Half Nipple Product Description:• Model: KF25HNS• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring...
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KF(QF)40 Half Nipple Long Weld Stub, Aluminium 6061-T6

KF(QF)40 Half Nipple Long Weld Stub, Aluminium 6061-T6

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

We are a professional, reliable Chinese manufacturer and supplier of KF vacuum flanges and components, including KF (QF) Half Nipples, KF-40 Long Weld Stubs, and Aluminum 6061-T6 products.   Our KF-25 Half Nipple Long Weld Stubs comply with ISO-KF...
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KF25-KF25 Full Nipples SS304 Vacuum fittings

KF25-KF25 Full Nipples SS304 Vacuum fittings

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name:  The KF25-KF25 Full Nipples SS304 Vacuum components is used for through- or foreline vacuum plumbing and for simple HV chamber ports.We are professional manufacturer of these KF (QF) nipples (spools) for HV systems from tubing and KF...
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KF Bored Weld Flange Stainless Steel 316/316L

KF Bored Weld Flange Stainless Steel 316/316L

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: KF Bored Flange Stainless Steel 316, KF Vacuum Components KF Bored Flange Product Description:• Model: KF25BF• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc• Sealing Material: rubber/ elastomeric o-ring mounted...
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KF25 Bored Flanges Stainless Steel 304

KF25 Bored Flanges Stainless Steel 304

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: KF25 Bored Flange Stainless Steel 304, KF Vacuum Components KF Bored Flange Product Description:• Model: KF25BF• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring...
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KF longneck weld flange KF long half nipple

KF longneck weld flange KF long half nipple

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: KF longneck weld flange, KF half nipple(long)-Stainless Steel 304 KF Half Nipple Product Description:• Model: KF25HNS• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring...
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KF-KF conical reducing adapter SS304

KF-KF conical reducing adapter SS304

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name:  KF-KF conical reducing adapter SS304 KF conical reducer nipples Product Description:• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring mounted in a centering ring•...
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KF-KF conical reducer nipple Aluminum 6061-T6

KF-KF conical reducer nipple Aluminum 6061-T6

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Description: We fabricate these KF (QF) nipples (spools) for HV systems from tubing and KF flanges. The KF-KF conical reducer nipple Aluminum 6061-T6 is used for through- or foreline vacuum plumbing and for simple HV chamber ports. KF...
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NW/KF-50 Blank Flange Blind Flange Cap Vacuum Fitting

NW/KF-50 Blank Flange Blind Flange Cap Vacuum Fitting

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: NW/KF-50 Blank Flange Vacuum Fitting - Stainless Steel 304KF blank flange Product Description:• Model: KF50BS• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring mounted...
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KF25 Blank Flange Vacuum Fitting - (Aluminum 6061-T6)

KF25 Blank Flange Vacuum Fitting - (Aluminum 6061-T6)

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Simplified Product Description   KF-25 Blank Flange, an ISO-KF vacuum fitting with NW-25 size, made of aluminum 6061-T6.   Designed for quick assembly in vacuum systems (e.g., foreline plumbing), it uses a circumferential clamp and centering ring...
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Weld KF (QF) Stainless Steel Stubs Flange

Weld KF (QF) Stainless Steel Stubs Flange

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: Weld KF (QF) Stainless Steel Stubs Flange  KF Braze Flange Product Description: KF flanges are a sexless design-made from 304L stainless, aluminum, or brass. Stainless steel flanges work in adverse temperatures and corrosive...
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Braze KF and Weld Flanges - Brass

Braze KF and Weld Flanges - Brass

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: Braze KF and Weld Flanges - Brass KF Braze Flange Product Description: KF flanges are a sexless design-made from 304L stainless, aluminum, or brass. Stainless steel flanges work in adverse temperatures and corrosive conditions, while...
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Bored KF (QF) Stainless Steel Flanges (Socket-Weld)

Bored KF (QF) Stainless Steel Flanges (Socket-Weld)

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: Bored KF (QF) Stainless Steel Flanges (Socket-Weld) KF Bored Flange Product Description:• Model: KF25BF• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring mounted in a...
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Blank KF (QF) Stubs (304L SS) Vacuum Fittings

Blank KF (QF) Stubs (304L SS) Vacuum Fittings

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name: Blank KF (QF) Stubs , Vacuum Fittings- Stainless Steel 304 KF blank flange Product Description:• Model: KF50BS• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring...
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Adapter Conical KF-50 to ISO-63 Large Flange SS304

Adapter Conical KF-50 to ISO-63 Large Flange SS304

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name:  Adapter Conical KF-50 to ISO-63 Large Flange Stainless Steel 304 KF Straight Reducer Nipples Product Description:• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring...
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ISO-KF Straight Reducer Tubulated Adaptor Stainless Steel

ISO-KF Straight Reducer Tubulated Adaptor Stainless Steel

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name:  ISO-KF Straight Reducer Tubulated Adaptor Stainless Steel KF Straight Reducer Nipples Product Description:• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring mounted...
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CF-KF Tubulated Adaptor Stainless Steel 304

CF-KF Tubulated Adaptor Stainless Steel 304

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name:  CF-KF Tubulated Adaptor Stainless Steel 304 CF-KF Tubulated Adaptor Product Description:• Material: SS304 (1.4301), SS316L(1.4404), Aluminum 6061-T6, Brass, etc▪ Sealing Material: rubber/ elastomeric o-ring mounted in a centering...
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KF (QF) Vacuum Straight Reducer Nipples (304 SS)

KF (QF) Vacuum Straight Reducer Nipples (304 SS)

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

Product Name:  We produce these KF (QF) Vacuum Straight Reducer Nipples 304L SS material. These KF (QF) nipples (spools) for HV systems from tubing and KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV...
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KF25 Stainless Steel 45 Degree Elbows

KF25 Stainless Steel 45 Degree Elbows

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

KF 45° Elbows are designed for vacuum process systems to redirect pipework. Made from 304 or 316L stainless steel, they resist corrosion, making them suitable for semiconductor processing.   These elbows undergo helium leak testing (up to 10⁻⁸ mbar)...
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KF Vacuum Fittings 90degree Elbow

KF Vacuum Fittings 90degree Elbow

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

KF Vacuum 90° Elbows, CNC-machined for vacuum systems, help redirect pipework. Made from 304 or 316L stainless steel, they resist corrosion—ideal for semiconductor processing.   Options include KF 45° elbows (with tangents), 90° elbows, and 90°...
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KF 90Degree Miter Elbow SS304

KF 90Degree Miter Elbow SS304

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

We fabricate these KF (QF) 90Degree Miter Elbow SS304 for HV systems from tubing and KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports. Available in 304L stainless steel or aluminum...
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KF10-16 Stainless Steel 90 Degree Reducing Elbow

KF10-16 Stainless Steel 90 Degree Reducing Elbow

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

We fabricate KF10-16 Stainless Steel Vacuum Reducing Elbows from 304 or 316L stainless steel, made by combining tubing and KF flanges for high-vacuum (HV) systems. KF (QF) flanges are suitable for through/foreline vacuum plumbing and simple HV...
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Stainless Steel 304 KF25 Vacuum Tees

Stainless Steel 304 KF25 Vacuum Tees

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

We fabricate KF25 Vacuum Tees from 304 or 316L stainless steel for vacuum pipeline systems.   These KF-25 tees meet ISO-KF standards, with NW-25 flange size. Featuring fast connect/disconnect, their reusable elastomer seals enable quick...
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Stainless Steel KF Vacuum Reducing 3way Tee

Stainless Steel KF Vacuum Reducing 3way Tee

Brand: KAYSEN

Packaging: CARTON BOX INSIDE WOODEN CASE

Supply Ability: 10000ton

We fabricate KF Vacuum Reducing 3-Way Tees from 304 or 316L stainless steel for vacuum pipeline systems.   Example: Brand-new 3-Way Vacuum Tee with NW/KF-25 flange – a 304 stainless steel vacuum fitting. These KF-25 tees comply with ISO-KF standards...
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China KF(NW) Vacuum Flanges & Components Suppliers

The KF ranges of flanges and fittings are manufactured from high quality stainless steel. Kaysen Steel manufacture a comprehensive range of KF(NW) Vaccum Flanges & Components, including KF Vaccum Flanges, KF Vaccum Components, KF Flanges, nipples, elbows, tees, and crosses, clamps, o-ring in all standard vacuum flange systems. KAYSEN KF vacuum fitting components form a modular system for piping from KF10, KF16, KF25, KF40, and KF50 in SS304, SS316 material. KF fittings are ideal for high vacuum environments. Welcome to buy KF Vaccum Flanges, KF Vaccum Components, KF Flanges from us in wholesale price, if you have any questions or requests, pls feel free to contact us!

KF(NW) Vaccum Flanges & Components Specification:
▪ Standard: KF, ISO ,CF
▪ Material: Stainless Steel 304 (1.4301), Stainless Steel 316L(1.4404), Aluminum EN AW-6082/3.2315, Brass, etc
▪ Sealing Material: rubber/ elastomeric o-ring mounted in a centering ring
▪ Size Range: KF10, KF16, KF25, KF40, and KF50
▪ Temp.:between ~0° C and 120-180° C
▪ Pressure: from atmosphere to ~10-8 Torr or mbar.

Quality & Inspection:
▪ PMI test to verify material grade
▪ Dimension controlling during fabricating and finished
▪ Visual and surface 100% examination before shipment
▪ Packed in carton box firstly, then in wooden case
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