




| Specification | Detail |
|---|---|
| Product | Pneumatic Spring-Return Actuator |
| Model | MS-133-SR |
| Manufacturer | Swagelok |
| Actuation Type | Pneumatic Spring Return (single-acting) |
| Rotation / Stroke | 90° actuation |
| Actuator Air Displacement | 4.9 in³ (80.3 cm³) |
| Operation Mode | Spring return (fail-safe to default when air is removed) |
| Maximum Operating Pressure | ~200 psi (≈13.7 bar) (typical) |
| Material / Construction | Standard industrial actuator materials (housing likely aluminum alloy; verified by NSN notes) |
| Mounting | Designed for Swagelok ball valves with ISO 5211-style interface (actuator + bracket required) |
| Typical Applications | Rotary actuation of quarter-turn valves (ball, butterfly, plug) |
| Weight | ~4 lb (≈1.8 kg) (approximate) |
| Cleaning | Standard Cleaning and Packaging (SC-10) |
| Accessories | Mounting kits, limit switches, solenoid valves available |
Swagelok SS-83PS4 2-Way Straight-Pattern Ball Valve
| Specification | Detail |
|---|---|
| Product | 2-Way Straight-Pattern Ball Valve |
| Model | SS-83PS4 |
| Manufacturer | Swagelok |
| Valve Type | 2-way, straight flow, shut-off |
| Series | 83 Series Trunnion-Style Ball Valve |
| Body Material | 316 Stainless Steel |
| Seat Material | PEEK |
| Connection Type | Tube Fitting |
| Connection Size | 1/4 in. (both ends) |
| Maximum CV Value | 1.6 |
| Flow Pattern | Straight through (“in-out”) |
| Handle Style | Phenolic handle, black color |
| Low Emissions Certified | Yes |
| Operating Pressure | High-pressure capable (up to 10 000 psi/689 bar in related H83 variants; typical 83 valves rated lower—consult specific size ratings) |
| Operating Temperature Range | Wide industrial range (often −29°C to +204°C / −20°F to 400°F typical for 83/H83 valves; consult datasheet) |
| Cleaning | Standard Cleaning and Packaging (SC-10) |
| Standards / Classification | eClass and UNSPSC classifications included |