

Wafer Type
Swagelok SS-CHS16-1 316 stainless steel poppet check valve. Features 1 in. Swagelok tube fittings, 4700 psig pressure rating, and 1 psig fixed cracking pressure.

Swagelok SS-CHS16-1 is a 316 stainless steel poppet check valve featuring 1 in. Swagelok tube fittings. It is designed with a fixed cracking pressure of 1 psig (0.07 bar) and a room temperature pressure rating of 4700 psig (323 bar) at 100 °F.
Control back flow with Swagelok check valves, available with a range of adjustable and fixed cracking pressures for general-purpose and high-purity applications.
| Specification | Value |
|---|---|
| Backup Ring Material | PTFE |
| Body Material | 316 Stainless Steel |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Connection 1 Size | 1 in. |
| Connection 1 Type | Swagelok® Tube Fitting |
| Connection 2 Size | 1 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| Cracking Pressure | 1 psi (0.07 bar, 0.007 MPa) |
| Max Cv | 4.7 |
| O-Ring Material | Fluorocarbon FKM |
| Room Temperature Pressure Rating | 4700 PSIG @ 100 °F / 323 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 |