The Swagelok 6L-CW4FR4 is a 316L stainless steel high purity check valve with 1/4 in. female VCR face seal connections. It features a fixed cracking pressure for controlling back flow in general-service and high-purity applications, and is processed with SC-11 special cleaning and packaging.

Specifications

Specification	Value
Body Material	316L Stainless Steel
Cleaning Process	Special Cleaning and Packaging (SC-11)
Connection 1 Size	1/4 in.
Connection 1 Type	Face Seal (Metal Gasket) Female VCR
Connection 2 Size	1/4 in.
Connection 2 Type	Face Seal (Metal Gasket) Female
Cracking Pressure	VCR 2 psi (0.14 bar, 0.014 MPa)
CV Maximum	0.7
Room Temperature Pressure Rating	3000 PSIG @ 100°F / 206 BAR @ 37℃
Seal Material	Fluorocarbon FKM
Surface Finish	Ra 20 μin
Testing	No Optional Testing
Wetted Surface Roughness	20 μin. (0.51 μm) average, machine finished
eClass (10.1)	27292001
UNSPSC (17.1001)	40183101

Fixed Pressure

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

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.