KGSY and Hearken | Valve Limit Switch Boxes, Solenoid Valve, Actuator Specialist



KGSY primarily refers to Zhejiang KGSY Intelligent Technology Co., Ltd., a high-tech Chinese manufacturer specializing in industrial valve intelligent control accessories. Established in 2017 and headquartered in Zhejiang, China, the company provides automated hardware solutions for fluid control across sectors like oil and gas, chemicals, pharmaceuticals, and water treatment.
Core Product Offerings
The manufacturer produces automated and explosion-proof pneumatic hardware components:
  • Valve Limit Switch Boxes: Compact modules like the ITS100 series that offer three-dimensional visual position monitoring and electrical feedback for valves.
  • Solenoid Valves: Directional air control components like the KG800 series featuring flameproof structures suited for hazardous areas.
  • Air Filter Regulators: High and low-pressure system utilities that filter combustible gases or debris while stabilizing air flow.
  • Pneumatic Actuators & Positioners: Rotary and linear mechanisms designed to automate valve opening, closing, and throttling.
Quality Standards and Certifications
The products are built to comply with international safety rules for highly sensitive process automation environments:
  • Industrial Safety: Rated up to SIL3 (Safety Integrity Level 3) for high-reliability systems.
  • Hazardous Areas: Certified under ATEX and explosion-proof ratings like ExdⅡCT6 GB.
  • Environmental Ingress: Built to standard protection protocols including IP67 water and dust resistance.
  • General Quality: Managed under the ISO9001 quality management system along with standard CCC, TUV, and CE marks.
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