Pneumatic Actuators – Scotch Yoke – Single Acting

Pneumatic single acting actuators from ELFOR CONTROLS are equipped with scotch yoke mechanisms able to guarantee high torques, high reliability and efficiency. They are engineered and designed to ensure a long life in the toughest environmental conditions and the most demanding applications, provide a high ability to resist corrosion. These types of actuators are used in the automation of quarter turn valves, ball valves, plug and butterfly valves, mainly in the Oil & Gas, Chimical and petrochemical, LNG, water and power.

Totally enclosed waterproof body in nodular cast iron ENGJS-400-15 IP 67 or carbon steel
Pneumatic cylinder polished with electroless nickel plated internal in compliance with specifications ASTM-B733 and UNI ISO 4527
Carbon steel piston with dynamic floating O-Ring seal (PARKER N 674-70) to reduce friction and to extend service life
ISO 5211Mounting flange
Position indicator complete with VDI/VDE 3845 NAMUR for mounting accessories
Power supply instrument air, nitrogen, sweet gas or sour gas (materials pressure group requirements acc. to NACE MR 0173/93)
Two independent external travel stops for precise angular stroke adjustment `7° in both directions.
Yoke pin complete with hard grounds sliding bush in the body
Painting sandblasting to grade SA2.1/2. First coat: epoxy zinc 50 microns Final coat: high build epoxy poliamide 100 microns RAL 9006
Totally enclosed spring cartridge with additional safety feature in order to avoid injury during disassembly of the spring enclosure.
Standard operating temperature range: -29 °C / +80 °C

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Catalog Elfor - Scotch Yoke

Testimonials

Bachmann Dampjoint Inc. has been purchasing operators complete with accessories for over 15 years. VL Motion has demonstrated through this time to supply good quality products at competitive prices. Its experienced team has and continues to work with us developing improved solutions to the custom designed equipment we supply our customers. Knowing that we are often faced with customer plant shut-downs requiring immediate action, VL Motion’s team has been pro-active every time we have called upon them.

John Mamano, Operations Manager, Bachmann Dampjoint Inc.

We have very high expectations when it comes to the equipment we manufacture, and equally high expectations with the suppliers we choose to work with. What began as a need for a “best in class” gear operator, soon turned into the supply of a complete solution of products, all suited to work hand in hand with our valve products. Over the past 4 years, we have come to count on Alltork Actuation, the division of VL Motion Systems, to be a trusted partner in ensuring that we receive top quality products, with on-time deliveries, with the great service to back it all up. Thanks to John and his team for their excellence in quality and service.

Valve Manufacturer, Alberta, Canada

Pneumatic Actuators – Scotch Yoke – Single Acting

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