Product Overview
The Swagelok SS-8GUF12 is a high-precision, two-way general process ball valve engineered for reliable isolation and shutoff in demanding industrial fluid and pneumatic systems. Manufactured by Swagelok, a globally recognized leader in fluid system components, this valve features a robust 316 stainless steel construction with a 1/2 inch Swagelok tube fitting end connection. The SS-8GUF12 utilizes a quarter-turn ball actuation mechanism that provides rapid, bubble-tight shutoff with minimal flow resistance. Its floating ball design ensures consistent sealing performance across a wide range of pressures and temperatures, making it an ideal choice for process instrumentation, analytical systems, and hydraulic control circuits requiring dependable on/off flow control.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | General Process & Pneumatic Ball Valve |
| Model Designation | SS-8GUF12 |
| Body Material | 316 Stainless Steel |
| End Connection | 1/2 in. Swagelok Tube Fitting |
| Flow Configuration | 2-Way, Straight Pattern |
| Actuation Type | Manual Quarter-Turn Handle |
| Operating Pressure | Up to 3000 psig (206 bar) at 100°F |
| Operating Temperature | -65°F to 450°F (-53°C to 232°C) with PTFE seats |
| Seat Material | PTFE (Polytetrafluoroethylene) |
| Orifice Size | 0.406 in. (10.3 mm) |
| Cv Flow Coefficient | 3.2 |
| Mounting & Connection | Standard Swagelok Tube Fitting Interface |
Engineering Features & Advantages
- Precision Performance: The general process & pneumatic ball valve delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Designed for dependable long-term operation in demanding industrial environments, with quality bearings and sealing systems ensuring extended maintenance intervals.
- Direct Fit Replacement: Precision-manufactured to original SWAGELOK specifications for direct replacement, minimising downtime and eliminating fitment issues.
Typical Industrial Applications
Its floating ball design ensures consistent sealing performance across a wide range of pressures and temperatures, making it an ideal choice for process instrumentation, analytical systems, and hydraulic control circuits requiring dependable on/off flow control.
PRODUCT IMAGES




SWAGELOK SS-8GUF12 Ball Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine SWAGELOK SS-8GUF12 Ball Valve. This USA-made hydraulic component features a 2-way design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.