

Swagelok SS-AFSS8 is a 3-piece high pressure ball valve for alternative fuel service (AFS). Features 316 stainless steel, 1/2 in. tube fittings, 7.2 Cv, and ECE R110/NGV 3.1 approvals.

Swagelok SS-AFSS8 is a 3-piece high-pressure ball valve specifically designed for alternative fuel service (AFS). Part of the multipurpose AFS series, this 2-way straight pattern valve provides a flow coefficient (Cv) of 7.2 and is engineered to meet the rigorous demands of compressed natural gas (CNG), hydrogen, and other high-flow general industrial applications where higher pressures are required.
The valve features a 316 stainless steel body and 1/2 in. Swagelok tube fitting end connections. Its design ensures low operating torque and eliminates the need for manual packing adjustment. The AFS series is low-emissions certified and provides reliable shut-off for gaseous fuel systems.
| Property | Details |
|---|---|
| Model Number | SS-AFSS8 |
| Body Material | 316 Stainless Steel |
| Flow Pattern | 2-Way Shutoff Straight |
| Max Cv | 7.2 |
| End Connection 1 | 1/2 in. Swagelok® Tube Fitting |
| End Connection 2 | 1/2 in. Swagelok® Tube Fitting |
| Handle Style | Directional, Black |
| Low Emissions | Certified (Yes) |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
The AFS series ball valves are approved for use in alternative fuel systems according to international standards:
INFO
AFS 2-way ball valves can achieve flow coefficients up to 13.8 across the wider series, depending on the specific model and configuration.
WARNING
Proper selection and system design are essential for safety. System designers must consider material compatibility, pressure ratings, and installation requirements for hydrogen and CNG service.
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