Swagelok SS-CHS4-1/3 Check Valve 1/4” Tube Stainless Steel Inline 1/3 PSI Crack

Swagelok SS-CHS4-1/3 Inline Check Valve – 1/4” Tube x 1/4” Tube – Stainless Steel

This listing is for a brand new Swagelok SS-CHS4-1/3 inline check valve, designed for precise flow control in high-purity or industrial systems. Featuring a 1/4” OD compression tube connection on both ends, this check valve offers ultra-reliable reverse flow protection and a crack pressure rating of 1/3 PSI — ideal for sensitive instrumentation, low-pressure differential setups, and gas systems.

This part is functionally equivalent and directly compatible with Parker C-Series, SSP CheckLok, Hoke 2500 Series, and other high-integrity check valve designs. A perfect drop-in solution for lab and OEM spec rebuilds where low cracking pressure and stainless construction are critical.

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Key Specifications:

• Part Number: SS-CHS4-1/3

• Material: 316 Stainless Steel body & poppet

• Connection: 1/4” Tube OD x 1/4” Tube OD (Double ferrule compression)

• Crack Pressure: 1/3 PSI

• Max Working Pressure: 3,000 PSIG (20.6 MPa)

• Temperature Rating: -10°F to 375°F (-23°C to 190°C)

• Seal Material: Fluorocarbon FKM (per Swagelok spec)

• Made In: USA

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Direct Cross References / Compatibility:

• Swagelok SS-CHS4-1/3

• Parker C4L-1/3-SS

• SSP CheckLok CHL4-1/3-316

• Hoke 2160G4Y

• Fitment equivalent for Cajon®, Whitey®, and Hy-Lok® 1/4” tube systems

• Interchangeable with any high-purity dual-ferrule systems in instrumentation-grade process setups

This check valve is compatible with systems using:

Gas analyzers and gas panels

Vacuum and purge line protection

Liquid chromatography and diagnostic equipment

Fuel or chemical delivery lines

High-purity water and DI systems

Semiconductor OEM skids

Control panel builds

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Condition:

• Brand new, unused

• No manufacturer box – surplus item

• Professionally stored and photographed

• Ships in clean poly bag as shown

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Why Buy from AIX Global?

AIX Global is a leading independent distributor of new, OEM-equivalent parts in the automotive, industrial, commercial, and electronics sectors. We focus on liquidated inventory, lab-grade components, and hard-to-find fittings and valves from brands like Swagelok®, Parker®, Whitey®, Cajon®, SSP®, and more.

Our parts are sourced from shutdown facilities, overstock lots, and trusted partners. While most items are new old stock or direct surplus, we verify condition and compatibility before listing. Every product is sold and represented by professionals with deep technical backgrounds in systems engineering, fluid handling, and mechanical distribution.

AIX Global connects critical parts to serious buyers—fast.