Call: +6231 8558 2872
Office Hours : Monday - Friday : 9am - 5pm


The Flowserve commitment to exceeding our customers’ specification requirements is demonstrated by the comprehensive torque range and feature set of each Limitorque product line.

The Limitorque product range includes actuators that can be controlled from customers’ motor control centers to electronic actuators that can be remotely controlled field devices. More than 1 million Limitorque actuators have been installed around the world, and some have been in operation for more than 50 years. The ruggedness and reliability of Limitorque electric actuators are among the primary reasons that customers continue to select Limitorque products.

Flowserve Limitorque electric actuators are offered in intrusive and non-intrusive designs, and with numerous optional upgrades to address various process, networking and operational needs. Read our white papers to help determine which actuation technologies are right for your application requirements.

Flowserve Limitorque is the world’s oldest supplier of intrusive, electromechanical multi-turn actuators and continues to produce the world class L120 and SMB series of electric actuators.   Features and benefits include the modular L120 designed for ease of assembly, ruggedness and flexibility, and the most reliable and tested electric actuator available, the SMB.  Torque ranges from 100 lb.ft./136 Nm up to 20000 lb.ft./27200 Nm and can be coupled to Limitorque’s gearboxes for additional mechanical advantage.

Flowserve Limitorque is a world class supplier of the non-intrusive, electronic multi-turn MX series of actuators. Features and benefits include patented absolute encoders w/ redundancy (B.I.S.T. – Built-in-self-test) and configuration, operation, and diagnostics in eleven languages. A full suite of network protocols are available including Modbus, Foundation Fieldbus H1, Profibus DP w/ Redundancy and Profibus PA, DeviceNet, and HART. Torque ranges from 55 lb.ft./73 Nm up to 1700 lb.ft./2307 Nm and can be coupled to Limitorque’s gearboxes for additional mechanical advantage.

Actuators requiring 90° of rotation to operate are necessary for quarter-turn valves such as ball, butterfly, plug and dampers, and rotary control valves. These types of Limitorque electric actuators are available for operations such as open-close, modulating, network and rotary service. The QX is the Flowserve Limitorque product for the quarter-turn valve market up to 1500 ft-lb. Beyond that range any of the multi-turn products can be assembled with WG or HBC 90° worm gearbox operators to increase torque range and mechanical advantage.

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.

The Limitorque LHS and LHH Hydraulic Scotch Yoke actuator series are designed to meet or exceed the most current and stringent safety and reliability standards for application in the oil and gas industry. LHS and LHH are ideal where hydraulic motive power is preferred for the operation of quarter-turn valves and for applications requiring a robust heavy duty design, long service life, high-torque and high-speed operation.

The Limitorque LRP series is a robust, reliable rack and pinion actuator designed for high performance automation of  quarter turn valves in a wide range of applications.

Flowserve Automax Supernova series rack and pinion actuators are designed for butterfly, plug, or ball valves, and offer one compact design for double acting and spring return functionality.

Automax RG Pneumatic Scotch Yoke Actuators are the cost-effective choice for on/off and inching applications of quarter-turn medium-to-large sized valves in the chemical and general process industries.

Based on the robust 40R design, the Norbro 33R provides 180 degree operation in both double acting and spring return formats for use on diverter valves and other applications.

Designed for high performance and reliability using the unique guide rod design, the Norbro 40R can be used on a variety of quarter turn valves in a wide range of applications.

The P61 brings new levels of control to batch filling operations. Based on the 40R, it is designed specifically to provide rapid, repeatable and highly accurate filling control for weigh/measuring processes.

The PMV P5 and EP5 positioners are fast and accurate. They available in pneumatic (P5) or electropneumatic (EP5) configurations. Choose from explosion-proof (EP5-EX), fail freeze (EP5-FS) and intrinsically safe (EP5-IS) options.

The PT700 pressure transducer is for 4-20 mA input signals with a high output up to 4 bar. It is capable of monitoring valve actions via pressure sensors and ideal for spring-return actuators.

The PMV D20 compact digital positioner suits both linear and rotary actuators in single-acting applications. Very high control precision on even the smallest valves. IS, NI and explosion-proof versions.

Featuring a zero-bleed pneumatic relay, the PMV D3 positioner is suitable for linear or rotary valves, single- or double-acting actuators, and special applications. Available with general purpose, intrinsically safe or explosion-proof housings, and with plug-in modules for limit switches and feedback.

The D30 is a robust, intelligent positioner with very high air capacity. Based on proven digital technology, it features a large, high-performance spool valve controlled by a unique intelligent control algorithm.

he PMV F5 switch box is a feedback system offering the ability to add switches (mechanical or proximity), a potentiometer or a 4-20 mA transmitter to the PMV P5/EP5 analog positioners. Intrinsically safe and explosion-proof enclosure versions available.

PMV ValveSight is a proactive diagnostic solution for on-off and control valves that can be seamlessly integrated into host control or plant asset management systems, improving plant efficiency without sacrificing safety and reliability. Include Partial Stroke Testing (PST) and fits PMV Hart, Profibus PA and Foundation Fieldbus devices.