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Belimo

Belimo is a Swiss manufacturer specializing in field devices for the energy-efficient control of heating, ventilation and air-conditioning systems. Its range covers damper actuators with and without spring return, characterised control valves, electronic pressure-independent valves (EPIV), the Energy Valve with an integrated thermal energy meter, and room, duct and immersion sensors for temperature, humidity and differential pressure. Most devices communicate over BACnet, Modbus or MP-Bus and can be configured through NFC and a smartphone app, which simplifies integration with building management systems. Typical installations include commercial towers, hospitals, hotels, airports, data centres and district cooling networks. Seven Star LLC supplies Belimo actuators, valves and sensors to MEP contractors and facility teams in Oman and the GCC, with regional stock and engineering support in Muscat, helping chilled water systems hold their design delta-T and cut pumping energy.

Belimo Product Range at Seven Star

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

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Frequently Asked Questions

How do Belimo pressure-independent valves help with low delta-T in chilled water systems?
Belimo EPIV and Energy Valve models measure flow electronically and hold each coil at its set flow regardless of pressure changes in the network. The Energy Valve also measures supply and return temperatures and can limit flow when the temperature difference across a coil falls below a set value, which protects chiller efficiency and reduces pumping energy.
Can Belimo actuators and valves be integrated into a BMS?
Yes. Many Belimo devices offer BACnet MS/TP or BACnet/IP, Modbus RTU or Modbus TCP and the Belimo MP-Bus, and most can also be driven by a standard 2 to 10 V signal. This allows control and feedback data such as position, flow or energy to be read directly by the building management system.
What is the difference between Belimo spring-return and standard damper actuators?
Spring-return actuators such as the LF and NF series tension a return spring while running and drive the damper to a defined safe position by spring force when power is lost. Standard actuators such as the NM..A series hold their position on power loss and are typically used for modulating air volume and mixing dampers.
What applications typically use Belimo products?
Belimo actuators, valves and sensors are used in air handling units, fan coil units, chilled and hot water circuits, VAV systems and energy metering in commercial buildings, hospitals, hotels, data centres, airports and district cooling or heating networks.
Does Seven Star LLC supply Belimo products in Oman?
Seven Star LLC supplies Belimo actuators, control valves and sensors to contractors, consultants and facility owners in Oman and the GCC. We help with model selection from project schedules, provide Belimo technical data sheets, and offer regional stock and engineering support from Muscat.