

Swagelok SS-4C-KZ-1 316 stainless steel poppet check valve. Features a fixed 1 psig (0.07 bar) cracking pressure, 1/4 in. tube fittings, and Kalrez O-ring. Designed for back flow control in general-service and high-purity applications.

The Swagelok SS-4C-KZ-1 is a stainless steel poppet check valve designed for fixed pressure applications. It provides effective back flow control in both general-service and high-purity environments.
| Attribute | 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 | 1 psi (0.07 bar, 0.007 MPa) |
| CV Maximum | 0.47 |
| O-Ring Material | Kalrez O-Ring |
System Design and Component Compatibility
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.