Skip to content
1 psig Cracking Pressure3000 PSIG Rating0.35 Cv Maximum

Swagelok B-4CP4-1 Brass 1-Piece Poppet Check Valve, Fixed Pressure, 1/4 in. FNPT, 1 psig

Swagelok B-4CP4-1 brass 1-piece poppet check valve with fixed 1 psig cracking pressure. Features 1/4 in. female NPT connections for general-service applications.

Swagelok B-4CP4-1 Brass 1-Piece Poppet Check Valve, Fixed Pressure, 1/4 in. FNPT, 1 psig

Swagelok B-4CP4-1 brass 1-piece poppet check valve with 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.

Specifications
Body MaterialBrass
Cleaning ProcessStandard Cleaning and Packaging (SC-10)
Connection 1 Size1/4 in.
Connection 1 TypeFemale NPT
Connection 2 Size1/4 in.
Connection 2 TypeFemale NPT
Cracking Pressure1 psi (0.07 bar, 0.007 MPa)
CV Maximum0.35
O-Ring MaterialBuna N
Room Temperature Pressure Rating3000 PSIG @ 100°F /206 BAR @ 37℃
Surface FinishStandard
TestingNo 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.