Block Type Expansion Valves

As a basic manufacturer of expansion devices, our in-house research & development and design center utilizes the latest advanced designing software and precise measuring equipment to ensure product integrity and quality.


  • Power Element (Diaphragm)

  • Equalizing Pressure Point

  • Temperature Sensing Element

  • Pushrod Upper Guide and Seal Plug

  • Pushrod Seal

  • Pushrod

  • Ball and Seat

  • Superheat Spring

  • Retainer Plug

Typical TXV System

Typical TXV System