Product Information

Electric Auto Return Type Semflex®-VP

● Various kinds of plants
● Air conditioning of building
● Production system
● For inflow of industrial water
● For inflow around filter bed in water purification plant
● Adjustment of flow of cold water and warm water in local heating and cooling system, etc.
● Factory using communication network

Electric Auto Return Type LTKD/BRM


  • Small, lightweight, and compact design.
    (1/2 or less of mass, compared with our conventional products)
  • The standard waterproof structure IP68 and the double-sealed terminal section drastically reduce a failure due to the intrusion of water.
  • The valve can be opened or closed just by feeding power.
  • A wide variety of controls are available.
    (Anti-water-hammer operation, valve purge function, torque retry function, etc.)
  • Since it has an inverter, opening/closing time can be changed.
  • The 2-wire communication remote operation function (PROFIBUS) can be added easily.


Type VP-010 VP-020 VP-060 VP-1 VP-2
Maximum Output Torque (Nm) 125 250 600 1000 2000
Opening/Closing Time(sec/90°) 9/7.5 18/15 18/15 36/30 18/15 36/30 18/15 36/30 36/30 72/60
Allowable Valve Rod Diameter 28 28 42 60 60
Motor Output (W) 40 40 100 200 200
Power-Supply Voltage (V) Single-phase 100/110,200/220 Three-phase 200/220,400/440
Insulation Class B
Brake Permanent brake included
Thermal protector Motor incorporated
Manual Operation Auto return type, with a handle
Design Life

Under the load of a valve, 10,000 times of opening and closing, and 500,000 times of startups.

No. of Terminals Motor (M4-3P), For control (M4-32P)
Lead Inlet 3-G1

Pressure-Resistant Explosionproof Type

Exd II BT4(Option)  *Single phase is not acceptable.


Standard color coating (Munsell N8)

Ambient Temperature

Protection Structure IP68
Mass (kg) 25 25 30 57 57

Handling-Related Document

  • Sales Agency in Japan

  • enetork This is a sales distributor of transmissions in Kyushu and Yamaguchi regions.It mainly serves as a sales agency for Seibu products.
  • Technical Partner Outside Japan

  • 西電興産株式会社 This is a manufacturer of valve actuator with a top share in South Korea.
  • Wonder Chance Machinery Industrial Co.,LTD This is a manufacturer of valve actuator with a top share in Taiwan.
  • 南京西部瀚乔电机机械有限公司 This is a manufacturer that sells valve actuator in China.
  • 九品股份有公司 This is a manufacturer of gate actuator with a top share in Taiwan
  • Terms and Conditions for Using System