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KMC

KMC Controls is a manufacturer of pneumatic and electronic controls for building automation systems, with a product line that includes actuators, controllers, sensors, and valves. The company is based in the United States and has been in operation since the 1970s, focusing on HVAC control solutions for commercial and industrial facilities. KMC's product portfolio covers a range of pneumatic actuators, including linear and rotary types, designed for damper and valve applications in heating, ventilation, and air conditioning systems. These actuators are built to meet standard industry specifications, with spring ranges typically from 0 psi to 20 psi, stroke lengths up to 4 inches, and mounting options such as pedestal, clevis, or fixed configurations. Many models include integrated positioners for precise control of air flow or pressure. The actuators are rated for use in non-fire/smoke applications, with materials and construction suitable for typical HVAC environments. 3G Electric supplies KMC linear actuators globally, offering multiple SKUs that cover various spring ranges, stroke lengths, and mounting styles. The product line includes models like the MCP-1140-5520, MCP-1130-5520, and MCP-1040-5211, which are pneumatic damper actuators with clevis connections and positioners. These units are designed for modulating control in air handling units, variable air volume boxes, and other HVAC equipment. Technical specifications include actuator connection types (clevis), spring ranges (e.g., 8 psi to 13 psi or 0 psi to 20 psi), and stroke lengths (3 in or 4 in). The actuators operate on standard pneumatic control signals and are compatible with typical building automation systems. KMC's pneumatic actuators are known for their reliability in continuous-duty applications, with materials that resist corrosion and wear in conditioned spaces. 3G Electric supports procurement specialists and plant engineers by providing access to these components with logistics support for global shipping. The catalog includes detailed specifications for each SKU, allowing buyers to match actuator parameters to system requirements. For applications requiring precise damper positioning or valve modulation, KMC's linear actuators offer a straightforward solution with standardized mounting and connection interfaces. The product range does not include fire/smoke-rated models, so these actuators are best suited for general HVAC control rather than life safety systems. 3G Electric's inventory covers multiple configurations, enabling selection based on spring range, stroke, and mounting preference.

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About KMC

KMC Controls is a manufacturer of pneumatic and electronic controls for building automation systems, with a product line that includes actuators, controllers, sensors, and valves. The company is based in the United States and has been in operation since the 1970s, focusing on HVAC control solutions for commercial and industrial facilities. KMC's product portfolio covers a range of pneumatic actuators, including linear and rotary types, designed for damper and valve applications in heating, ventilation, and air conditioning systems. These actuators are built to meet standard industry specifications, with spring ranges typically from 0 psi to 20 psi, stroke lengths up to 4 inches, and mounting options such as pedestal, clevis, or fixed configurations. Many models include integrated positioners for precise control of air flow or pressure. The actuators are rated for use in non-fire/smoke applications, with materials and construction suitable for typical HVAC environments. 3G Electric supplies KMC linear actuators globally, offering multiple SKUs that cover various spring ranges, stroke lengths, and mounting styles. The product line includes models like the MCP-1140-5520, MCP-1130-5520, and MCP-1040-5211, which are pneumatic damper actuators with clevis connections and positioners. These units are designed for modulating control in air handling units, variable air volume boxes, and other HVAC equipment. Technical specifications include actuator connection types (clevis), spring ranges (e.g., 8 psi to 13 psi or 0 psi to 20 psi), and stroke lengths (3 in or 4 in). The actuators operate on standard pneumatic control signals and are compatible with typical building automation systems. KMC's pneumatic actuators are known for their reliability in continuous-duty applications, with materials that resist corrosion and wear in conditioned spaces. 3G Electric supports procurement specialists and plant engineers by providing access to these components with logistics support for global shipping. The catalog includes detailed specifications for each SKU, allowing buyers to match actuator parameters to system requirements. For applications requiring precise damper positioning or valve modulation, KMC's linear actuators offer a straightforward solution with standardized mounting and connection interfaces. The product range does not include fire/smoke-rated models, so these actuators are best suited for general HVAC control rather than life safety systems. 3G Electric's inventory covers multiple configurations, enabling selection based on spring range, stroke, and mounting preference.

Common Applications

  • HVAC air handling units — KMC MCP-1140-5520 pneumatic damper actuator for modulating outdoor air dampers
  • Variable air volume (VAV) boxes — KMC MCP-1130-5520 linear actuator for controlling air flow in terminal units
  • Industrial ventilation systems — KMC MCP-1040-5211 actuator for positioning exhaust dampers in manufacturing facilities
  • Commercial building zone control — KMC pneumatic actuators for regulating supply air dampers in multi-zone HVAC systems
  • Process air control — KMC linear actuators for modulating dampers in cleanroom or laboratory ventilation

Frequently asked questions

Common questions about KMC from 3G Electric.

What spring ranges are available for KMC linear actuators?

KMC linear actuators are available with spring ranges such as 0 psi to 20 psi and 8 psi to 13 psi, depending on the model. For example, the MCP-1130-5520 has a 0 psi to 20 psi spring range, while the MCP-1140-5520 and MCP-1040-5211 have an 8 psi to 13 psi spring range. These ranges determine the actuator's response to control air pressure and are selected based on system requirements.

Do KMC pneumatic actuators include a positioner?

Yes, many KMC pneumatic linear actuators, such as the MCP-1140-5520, MCP-1130-5520, and MCP-1040-5211, include an integrated positioner. The positioner allows for precise modulation of the actuator stroke in response to a control signal, enabling accurate damper or valve positioning in HVAC systems.

What mounting options are available for KMC linear actuators?

KMC linear actuators offer mounting options including pedestal mounting, clevis mounting, and fixed mounting. For instance, the MCP-1140-5520 uses pedestal mounting, the MCP-1130-5520 uses clevis mounting, and the MCP-1040-5211 uses fixed mounting. The choice depends on the application and installation requirements.

Are KMC linear actuators suitable for fire/smoke applications?

No, KMC linear actuators such as the MCP-1140-5520, MCP-1130-5520, and MCP-1040-5211 are not rated for fire/smoke applications. They are designed for general HVAC control in non-life-safety systems. For fire/smoke damper applications, actuators with specific certifications and ratings should be used.

What stroke lengths are available for KMC linear actuators?

KMC linear actuators are available with stroke lengths of 3 inches and 4 inches. For example, the MCP-1130-5520 has a 3-inch stroke, while the MCP-1140-5520 and MCP-1040-5211 have a 4-inch stroke. The stroke length determines the linear travel of the actuator and should match the damper or valve requirements.

Does 3G Electric supply KMC products?

Yes — 3G Electric (S) Pte. Ltd. supplies KMC products. We stock the KMC catalog and supply genuine factory-original products with full manufacturer warranty and technical support.