Swagelok SS-CHS12-1/3 Check Valve 3/4” 316 Poppet 5000psi 1/3psi Crack Tube Fit

Swagelok SS-CHS12-1/3 — 316 Stainless Steel High Pressure Check Valve

New open box. Never installed. Pristine condition with original packaging and factory label. This is a 3/4” Swagelok® Tube Fitting Poppet-Style Check Valve rated for 5000 psig working pressure with an ultra-low 1/3 psi (0.03 bar) cracking pressure.

Exact Technical Specs:

• Manufacturer: Swagelok

• Part Number: SS-CHS12-1/3

• Valve Type: Check Valve, Poppet Style

• Material: 316 Stainless Steel

• Connection 1: 3/4 in. Swagelok Tube Fitting

• Connection 2: 3/4 in. Swagelok Tube Fitting

• Cracking Pressure: 1/3 psi (0.03 bar / 0.003 MPa)

• Maximum Operating Pressure: 5000 psig (344 bar)

• Operating Temp Range: –65°F to 850°F (–53°C to 454°C)

• CV Value: 4.7

• O-Ring Material: Fluorocarbon FKM

• Backup Ring Material: PTFE

• Surface Finish: Standard

• Cleaning Process: Swagelok SC-10

• Tested: No optional testing; factory standard

• Condition: New open box (unused), from overstock inventory

• Packaging: Ships in original Swagelok box with matching part label

Applications:

• High-purity compressed gas control

• Industrial automation systems

• Chemical process instrumentation

• Analytical and diagnostic equipment

• Vacuum systems with ultra-low cracking pressure

• Cleanroom gas isolation and backflow prevention

Engineered for reliability in back-pressure control, isolation, and critical fluid systems. Compatible with inert gases, aggressive chemicals, and high-temp environments.