Limitorque

Limitorque

Limitorque is a valve actuation brand best known for electric multi-turn and quarter-turn actuators, gearboxes and controls that open, close and modulate valves in power, oil and gas, chemical, water and general industry. The product families include the long-serving SMB and L120 multi-turn actuators, the MX and QX smart non-intrusive actuators with absolute encoders and fail-safe versions, and the compact LQI quarter-turn range. Limitorque is part of Flowserve. Seven Star LLC supplies Limitorque actuators and spares to plant operators, EPC contractors and water utilities in Oman and the GCC, with regional stock and engineering support in Muscat to help match torque, enclosure and control options to each valve.

Limitorque Product Range at Seven Star

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Looking for Limitorque parts not listed here, or pricing for a project? Send us the part numbers and quantities. Seven Star LLC sources genuine Limitorque products for customers across Oman and the GCC and replies with a formal quotation.

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Frequently Asked Questions

What valves can Limitorque actuators operate?
Limitorque actuators operate gate, globe, plug, ball and butterfly valves as well as dampers and sluice gates. Multi-turn units mount directly on rising-stem valves, and worm or bevel gearboxes adapt them to quarter-turn valves.
What is the difference between Limitorque multi-turn and quarter-turn actuators?
Multi-turn actuators such as the SMB, L120 and MX drive stem nuts or drive sleeves for many turns on gate and globe valves. Quarter-turn actuators such as the QX and LQI rotate through ninety degrees for ball, plug and butterfly valves.
Are Limitorque actuators available for hazardous areas?
Yes. The families are offered in weatherproof, explosion-proof and submersible versions, with certifications such as ATEX, IECEx, FM or CSA depending on the model, so check the datasheet for the exact certificate.
Can Limitorque actuators connect to a DCS or fieldbus?
The MX and QX smart actuators offer network options such as Modbus, Foundation Fieldbus, Profibus, DeviceNet and HART, together with discrete status contacts and analogue position feedback.
Does Seven Star LLC supply Limitorque actuators in Oman?
Seven Star LLC supplies Limitorque actuators and spares from Muscat with regional stock and engineering support for customers in Oman and the GCC. Send the valve torque and control data and we will prepare a quotation.