Flowserve Introduces LPC Compact Pneumatic Actuator

Flowserve Corporation, a provider of flow control products and services for the global infrastructure markets, has announced the launch of the Limitorque Pneumatic Compact (LPC) Scotch yoke actuator.

Complementary to the Limitorque Pneumatic Scotch yoke (LPS) model, the LPC applies similar design philosophy as the LPS for long operational life and reliability, but in a more compact, lower-cost package. The LPC has been designed with a 25-year design life, depending on service conditions, proper installation, operation and maintenance. In-field maintenance is required every five years for most applications, or as prescribed in EN 15714 for high-cycle applications.

The LPC is a robust yet lightweight, pneumatically driven, piston-type design that delivers torque up to 1,600 Nm (1,180 ft-lb), a maximum allowable working pressure (MAWP) of 12 barg (174 psig), and quick stroking times of less than 0.5 seconds. Ideally suited for smaller size quarter-turn valves, the LPC is available in single-acting spring return or double-acting configurations and can operate in a wide range of standard, low- and high-temperature environments — from -60 C (-76 F) to 160 C (320 F). It has been designed and tested to: IP66/IP66M and IP67/IP67M per EN60529; NEMA 4 and NEMA 4X per NEMA 250; and EN 15714-3. Information is available from Flowserve Limitorque regarding product compliance for ATEX, PED, ASME, SIL and GOST.

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