Pneumatic actuator LPS series

rotaryScotch yokespring-return

Limitorque's LPS heavy-duty pneumatic scotch yoke actuator is the innovative, reliable choice for on/off, inching and modulating automation applications on quarter-turn medium-to-large sized valves in general and protective services for the oil & gas market. Efficient design based on computational modelling and extensive experimental validation provides high performance with reduced size, weight, and consumption Symmetrical and canted scotch yoke types perfectly fit individual valve torque requirements Rugged heavy-duty fabricated carbon steel build epoxy painted and Electroless Nickel Plated (ENP) cylinders provide maximum protection against corrosion Dust/water proofing to IP66/IP66M and IP67/IP67M according to EN 60529 25-year design life and maintenance intervals up to six years, (depending on service conditions, proper installation, operation and maintenance) exceed industry expectations Modular construction allows easy on-site maintenance without special tools and without removal from the valve Symmetric and canted scotch yoke mechanisms as standard. Customized yoke profiles available as option Spring return and double acting configurations available (fail open, fail close and fail-in-place capability) Jackscrew, Geared and Hydraulic Manual Operators available on request. (availability will vary based on size) PED 2014/68/EU and & ASME BPVC VIII div. 1 versions available Standard or special painting upon request Wide range of feature and function customizations, including high-speed and high-cycle versions, are available