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Biffi Electric Quarter Turn Actuator Efs 2000 - China

price: contact company for price

The EFS is an electric quarter turn spring return actuator which has the

purpose to close or open a valve in emergency conditions, when an ESD

alarm signal occurs or when motor power supply fails.The EFS actuator

consists of four main parts:a spring return mechanism, which move the

valve in the foreseen fail-safe condition when requested by an ESD

signal or by a power failure. a quarter turn electric actuator which

operates the valve during normal working conditions. an electro-magnetic

clutch which hold in position an epicyclical gearing during the normal

operation and release it in case of fail-safe function.an oil damper,

which is necessary to adjust the fail-safe speed and to manually operate

the actuator by means of an hand-pump in case of power failure.


Company Contact:


  • Phone: 862885218395

  • Address: Huayangnian,huahaoyuan , Chengdu , China

  • Email: Email


Published date: June 26, 2013 -

  • Business Description: Established in 2003, Contranspower Co., Ltd was an integrated trading, technology and service company engaged in retail and wholesale of international automotive products, imported hydraulic and pneumatic components, instruments, meters and various kinds of valves and valve accessories. With establishing partnerships with many international leading manufactures, we can provide customers with a comprehensive range of high quality services from process control valve accessories, petroleum and chemical instruments and meters to industrial automation.We possess extensive knowledge in technical requirements of related projects and capacity in equipment selection. We has leading expertise in petroleum and natural gas, petroleum chemical, refining, pulp and paper manufacture, water treatment and various process industries. The company is the agent for following recognized international brands:Parker Automatic, USA (hydraulic, pneumatic, EMD, CIC, instruments and meters, flow connectors, etc.); explosion proof solenoid valves from ASCO (USA), Kaneko, Konan SMC and CKD (Japan); electrical, hydraulic and pneumatic drives from TYCO BIFFI (USA); Cameron combined hydraulic pneumatic mechanisms, limit switches from WESTLOCK, AVID, HONEWELL (UK) and AZBIL(Japan), valve position controllers from ABC, Siemens, SMC and AZBIL;Borsch Rexroth (Germany), FESTO hydraulic and pneumatic components and Nass coils (German) and so on.
    In industrial automation area, the company offers following leading products and services:
    Valves, actuators and accessories (mainly for project cooperation)
    The company is the selling agent for flow drives (with imported BIFFI) from Cameron and Tyco (USA); Ledeen pneumatic actuators and electrical actuators, and pneumatic hydraulic interlocked actuating mechanism; TYCO AVID valve accessories: filter regulator, solenoid valve; Westlock and AVID value limit switch;and electrical/pneumatic and pneumatic/pneumatic localizers from ABB, Siemens, SMC, AZBIL (Japan) and YAMATAKE.We also can collaborate with customers in projects with selecting high quality and proven products and supplying complete equipments according to customer specific requirements.
    Automatic instruments (including project cooperation)
    To provide instruments, meters, automatic devices, filters, flow connectors, seals, etc. components and parts from the international industrial leader Parker (Parker Hannifin);ASCO explosion proof solenoid valves; Honeywell limit switches (USA), Herion explosion proof solenoid valve (Germany), and transformers, transducers, rasters, isolated gates, flow meters and controllers from TURCK, P+F, Burkert and other domestic and international recognized manufacturers.
    Parker, BEKO etc. imported complete filter series and flow detection products
    Only for filter, we can provide more than 5000 kinds of interchangeable components and parts of different brands and provide spare parts supporting services.
    Pneumatic components and generic flow controlling valves
    Products from Usa, German, Japan, UK and Korean leading manufactures such as PARKER, ASCO JOUCOMAITC, BOSCH, AIRTEC, KANEKO, SMC, CKD, NORGREN, FESTO and YTC; and equivalent products of domestic leading manufacturers.These products includes various solenoid valves, pneumatic valves, proportioning valves (flow pressure), cylinders, special cylinders, pressure switches, sensors and filter/pressure regulator assemblies.
    Hydraulic components and parts and medium small sized system retrofitting
    Hydraulic components and parts and whole sets of Parker hydraulic (including engineering hydraulic), Bosch Rexroth, Atos, Rexroth China, Vickers, Moog and equivalents of domestic manufacturers.We also provide medium small sized system retrofitting services for customers in Sichuan and adjacent provinces.
    We hope to have the opportunity to work with you and we will make every effort to satisfy your requirements!

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