Swagelok SS-4C-VCR-1/3 stainless steel poppet check valve, fixed pressure, featuring 1/4 in. male VCR face seal fittings. It has a 1/3 psig (0.03 bar) cracking pressure and 316 stainless steel body material.

Control back flow in general-service and high-purity applications with Swagelok check valves available in a range of adjustable and fixed cracking pressures.

Specifications

Attribute	Value
Body Material	316 Stainless Steel
Cleaning Process	Special Cleaning and Packaging (SC-11)
Connection 1 Size	1/4 in.
Connection 1 Type	Face Seal (Metal Gasket) Male VCR
Connection 2 Size	1/4 in.
Connection 2 Type	Face Seal (Metal Gasket) Male VCR
Cracking Pressure	1/3 psi (0.03 bar, 0.003 MPa)
CV Maximum	0.47
O-Ring Material	Fluorocarbon FKM
Room Temperature Pressure Rating	3000 PSIG @ 100°F /206 BAR @ 37°C
Surface Finish	Standard
Testing	No Optional Testing

WARNING

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.