

Swagelok SS-4C-1-SC11 316 stainless steel fixed pressure poppet check valve. Features 1/4 in. tube fittings, 1 psig cracking pressure, and SC-11 cleaning.

The Swagelok SS-4C-1-SC11 is a stainless steel poppet check valve featuring a fixed cracking pressure. It is designed to control back flow in general-service and high-purity applications, providing reliable performance in a compact design.
| Attribute | Value |
|---|---|
| Body Material | 316 Stainless Steel |
| Cleaning Process | Special Cleaning and Packaging (SC-11) |
| 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 | Fluorocarbon FKM |
| Room Temperature Pressure Rating | 3000 PSIG @ 100°F / 206 BAR @ 37°C |
| 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 |
System Design and Safety
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.
Interchangeability 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.