Swagelok SS-CHS4-KZ-1 is a stainless steel poppet check valve designed to control back flow in general-service and high-purity applications. It features 1/4 in. Swagelok tube fitting connections and a fixed cracking pressure of 1 psi (0.07 bar). Constructed from 316 stainless steel with a Kalrez O-ring, this valve is rated for pressures up to 6000 psig (413 bar).

Specifications
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Swagelok® Tube Fitting
Connection 2 Size	1/4 in.
Connection 2 Type	Swagelok® Tube Fitting
Cracking Pressure	1 psi (0.07 bar, 0.007 MPa)
CV Maximum	0.67
O-Ring Material	Kalrez O-Ring
eClass (4.1)	37010801
eClass (5.1.4)	27300400
eClass (6.0)	27300601
eClass (6.1)	27300601
eClass (10.1)	27300601
UNSPSC (4.03)	40141622
UNSPSC (10.0)	40141641
UNSPSC (11.0501)	40141641
UNSPSC (13.0601)	40141641
UNSPSC (15.1)	40141641
UNSPSC (17.1001)	40141641

WARNING

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.