Jamesbury VPVL300SR4/5BD

Manufacturer: Jamesbury (Valv-Powr Series)

Actuator Model: VPVL300SR4/5BD

Actuator Type: Pneumatic Quarter-Turn (Rack & Pinion)

Configuration: Spring Return (SR)

Function: Fail-Safe (Automatic Closure)

Supply Pressure:

- Max: 116 PSI (8 bar)

- Min: 60 PSI (4 bar)

Output Torque:

- At 60 PSI: 28.9 ft-lbs (≈39 Nm)

- End-of-spring travel: 33.6 ft-lbs (45.6 Nm)

Operating Temperature: -40°C to +80°C

Actuation Time:

- Open: ~0.6 sec

- Close: ~0.8 sec

Bore: 3.94 in

Air Volume:

- Opening: 43.3 in³

- Travel: 27.1 in³

Air Type: Compressed air or nitrogen

Mounting: ISO 5211 (Direct mount on valve)

Certifications:

- IEC 61508: SIL 3 capable

- ATEX 2014/34/EU: II 2GD T95°C

Ingress Protection: IP67 / IP68 (depending on configuration)

Construction:

- Anodized aluminum body with PTFE coating

- Low-friction internal components

- Secured springs (anti-ejection)

Serial Number: 17133088

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**Associated Valve:**

- Type: 2" Ball Valve

- Model: 9FB3600

- Seat: 9FB3600

- Max Working Pressure (CWP): 2000 PSI

- Max Steam Pressure (WSP): 475 PSI