Swagelok SS-4C-25 stainless steel poppet check valve controls back flow in general-service and high-purity applications. This fixed pressure check valve features a 25 psi (1.8 bar) cracking pressure and is equipped with 1/4 in. Swagelok tube fitting end connections.

Specifications

Specification	Value
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	25 psi (1.8 bar, 0.18 MPa)
CV Maximum	0.47
O-Ring Material	Fluorocarbon FKM
Room Temperature Pressure Rating	3000 PSIG @ 100°F / 206 BAR @ 37℃
Surface Finish	Standard
Testing	No Optional Testing
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)	40183101

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.