




Swagelok MS-153-SR Pneumatic Spring-Return Actuator
| Specification | Detail |
|---|---|
| Product Name | Swagelok Pneumatic Spring-Return Actuator |
| Model / Part Number | MS-153-SR |
| Actuator Series | 153 Series Pneumatic Actuator |
| Actuation Type | Spring-return (single-acting) |
| Actuation Range | 180° rotation (quarter-turn plus extended travel) |
| Air Displacement Volume | 9.6 in³ (157 cm³) |
| Operation Mode | Spring-return (fail-safe) |
| Clean/Finish Level | Standard Cleaning and Packaging (SC-10) |
| Series Compatibility | For 153 Series valves and assemblies |
| Typical Mounting Interface | ISO 5211 style for Swagelok actuated valve assembly |
| Body / Construction | Aluminum alloy body with actuator internals per Swagelok standards (cast/aluminum alloy body; hardened output shaft; bronze/PEEK bushings — typical Swagelok materials for this series) |
| Typical Applications | Pneumatic actuation of quarter-turn valves (ball, butterfly, plug) in instrumentation/pneumatic control systems |
| eClass Classifications | 27220202 (4.1), 37010401 (5.1.4), 27229102 (6.0/6.1/10.1) |
| UNSPSC Codes | 40141607 (4.03), 40141616 (10.0/11.0501/13.0601/15.1), 40183109 (17.1001) |
| Weight (approx.) | ~3.8–4.0 lb (≈1.7–1.8 kg) typical (supplier inventory reference) |
| Accessories / Options | Mounting kits, solenoid valves, limit switches, positioners available (ordered separately) |
| Compliance / Standards | ISO 5211 mounting compatibility; manufactured to Swagelok Actuator Quality Standards |