ISO Vacuum Nipples - Weld-Free Straight Connections

ISO-LF Half nipple Vacuum ISO nipple flanges China

ISO Flanges & Fittings / ISO Nipples / ISO-LF Half Nipple Vacuum Half nipples are manufactured with a flange on one end and raw tubing on the other. They can be used with quick connection fittings to make a vacuum tight connection without welding. They are often welded onto a custom vacuum system or instrument by a customer with in-huse welding capabilities.

Add to Basket

ISO-LF Full Nipples Vacuum ISO Nipples Flanges Fittings Stainless steel China Wholesale

ISO full nipple, vacuum full nipples are manufactured with a flange on one end and raw tubing on the other. full nipples can be used with quick connection fittings to make a vacuum tight connection without welding.

Add to Basket

ISO-LF Half nipple Vacuum ISO nipple flanges China

Nipple, half, ISO, material: SS304/SS316, Sizes: ISO63-ISO500. ISO half nipples seal material: Viton, silicone, Vacuum half nipples application:high vacuum system.

Add to Basket

Why choose us

Dual sealing surface

Dual sealing surface flatness ≤0.03mm ensures uniform gasket compression without deformation.

Simultaneous passivation

Simultaneous passivation of internal and external surfaces meets ASTM A967 nitric acid passivation standards.

Precisely controlled wall thickness

Precisely controlled wall thickness tolerance (±0.1mm) prevents turbulence caused by sudden flow path changes.

News

5 Tips to Choose Vacuum Flanges & Fittings

Selecting the right vacuum flanges and fittings is critical for achieving and maintaining ultra-high vacuum. This guide ...

2026-05-20

7 Questions Before Buying Vacuum Hardware

Before purchasing vacuum connection components, ask these seven critical questions about material compatibility, sealing...

2026-05-15

How KF Vacuum Flanges Achieve Reliable Sealing

Discover how quick-release vacuum connections prevent leaks through knife‑edge sealing and O‑ring centering rings. Learn...

2026-05-09

Avoid Over-Torquing CF Flange Bolts

Over-tightening bolts is a silent killer of vacuum integrity. This guide reveals the physics behind sealing failure, ste...

2026-05-08

After-Sales Service

We have a modern stock management system and professional after-sales service team.

Rich stock, fast delivery

Quick response within 24h

Quality assurance

Accessory replacement