Skip to content
316 Stainless SteelFixed Pressure1.68 Max Cv

Swagelok SS-8C4-1/3 Stainless Steel Poppet Check Valve, Fixed Pressure, 1/3 psig, 1/2 in. FNPT

Swagelok SS-8C4-1/3 stainless steel poppet check valve features a fixed cracking pressure of 1/3 psig (0.03 bar), 1/2 in. FNPT connections, FKM O-ring, and up to 3000 psig working pressure.

Swagelok SS-8C4-1/3 Stainless Steel Poppet Check Valve, Fixed Pressure, 1/3 psig, 1/2 in. FNPT

Swagelok SS-8C4-1/3 stainless steel poppet check valve. 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

SpecificationValue
Body Material316 Stainless Steel
Cleaning ProcessStandard Cleaning and Packaging (SC-10)
Connection 1 Size1/2 in.
Connection 1 TypeFemale NPT
Connection 2 Size1/2 in.
Connection 2 TypeFemale NPT
Cracking Pressure1/3 psi (0.03 bar, 0.003 MPa)
CV Maximum1.68
O-Ring MaterialFluorocarbon FKM
Room Temperature Pressure Rating3000 PSIG @ 100°F /206 BAR @ 37°C
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

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.