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About Us

With a legacy built over 7 decades, Boulton Trading Corporation stands as a trusted name in India’s HVAC&R (Heating, Ventilation, Air Conditioning & Refrigeration) industry.

Contact Info

  • Mumbai HQ
  • +91-8045804865
  • Sanhua PYF Series: Features and Details 1. Core Function and Construction Function: Actively injects liquid refrigerant into the compressor's suction line or intermediate chamber to lower the discharge gas temperature.…
  • ✨ Sanhua LRA Series: Features and Details 1. Core Function and Construction Function: Stores excessive liquid refrigerant and ensures that only pure liquid (without vapor bubbles) enters the liquid line…
  • Sanhua YFQ-F Series: Features and Details 1. Core Function and Construction Function: Separates oil from the high-pressure refrigerant gas at the compressor outlet. Separation Efficiency: Features an optimized internal structure…
  • Sanhua YCQC Series: Features and Details 1. Core Function and Construction Function: Measures refrigerant pressure and converts it into a continuous 4 to 20mA current loop signal. Signal Advantage: Because…
  • Sanhua SYJ Series: Features and Details 1. Core Function and Construction Function: Provides a visual check of the refrigerant's state (liquid vs. vapor/bubbles) and indicates moisture levels through a color-changing…
  • Sanhua FDF Series: Features and Details 1. Core Function and Construction Function: Controls the flow of refrigerant by acting as an electrically operated switch (ON/OFF).3 Operating Type: Available as Direct-Operated…
  • Sanhua KDF Series: Features and Details 1. Core Function and Construction Valve Type: Piston Solenoid Valve. This design allows it to handle higher flow rates and withstand greater pressure differences…
  • Sanhua LDF Series: Features and Details 1. Core Function and Construction Primary Function: Electronically controlled on/off valve for refrigerant flow regulation. Key Design Feature: Engineered for Low Internal Leakage (e.g.,…
  • Sanhua MDF Series: Features and Details The MDF series includes both direct-operated and pilot-operated solenoid valves to cover a wide range of flow capacities and pressure requirements. 1. Core Function…
  •  Sanhua XTF Series: Features and Details 1. Core Function and Construction Function: A thermostatic valve that opens based on temperature rather than pressure. Mechanism: The bulb (sensing element) is placed…
  • General Specifications and Technical Details Applications Typical Use: Commercial refrigerators and freezers, ice makers, dehumidifiers, and small-to-mid capacity air conditioners. Operation: Mechanical, self-contained operation (no external electrical power or controller…
  • Sanhua RFGC Series: Key Features 1. Core Function and Control Primary Purpose: Regulates the mass flow of liquid refrigerant into the evaporator. Control Mechanism: Controls the refrigerant's superheat at the…
  • General Specifications and Technical Details Applications Typical Use: Commercial refrigerators and freezers, ice makers, dehumidifiers, air conditioners, and water chillers. Function: Automatic adjustment of liquid refrigerant flow into the evaporator…
  • General Specifications and Technical Details Applications Primary Use: Heat pumps, Unitary Air Conditioners, Central Air Conditioners. Function: Changes the flow path of the refrigerant to switch the system between cooling,…
  • Sanhua YCQB Series: Features and Details 1. Core Function and Construction Function: Continuously measures refrigerant pressure and outputs a proportional ratiometric voltage signal. Technology: Uses a high-performance digital circuit and…