High-Performance Valve Actuators & Gearboxes Manufacturer

JIMAI Automation: Your Trusted Partner for Flow Control Solutions since 2004.

We specialize in manufacturing pneumatic actuators (Rack & Pinion, Scotch Yoke), high-torque valve gearboxes, and precision accessories. Our products are engineered for 1 million cycles and designed to perform in the most demanding Oil & Gas, Chemical, and Water Treatment environments.

ISO 9001 Certified
ATEX Explosion-Proof
SIL3 Safety Rated
CE Compliant

Pneumatic Actuator

  • Type: Heavy-duty Rack & Pinion / Scotch Yoke
  • Lifespan: Tested for 1 Million+ Cycles
  • Standard: ISO 5211 & NAMUR Compliant
  • Options: Double Acting & Spring Return (Fail-safe)

⚡ In Stock: Standard models ship in 48 hours.

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Valve Gearbox

  • Design: Multi-turn for Gate & Globe Valves
  • Thrust: High thrust bearing capacity
  • Operation: Manual or Electric Actuator Mountable
  • Temperature: -40°C to +120°C options available
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Bevel Gearbox

  • Design: Multi-turn for Gate & Globe Valves
  • Thrust: High thrust bearing capacity
  • Operation: Manual or Electric Actuator Mountable
  • Temperature: -40°C to +120°C options available
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Declutchable Gearbox

  • Function: Emergency Manual Override for Actuators
  • Safety: Simple lever for Quick Auto-to-Manual switch
  • Mounting: Sandwich mount between Valve & Actuator
  • Reliability: Essential for ESD (Emergency Shut Down) systems
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Actuator Accessory

  • Limit Switch Box: APL-210N, ITS-300 (Explosion Proof)
  • Positioner: 4-20mA Pneumatic/Electro-Pneumatic
  • Solenoid Valve: NAMUR Interface 3/2 or 5/2 Way
  • Service: 100% Pre-assembled & Tested before shipping
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