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.


  • valve700px_location1jpg-1

    Power Element (Diaphragm)

  • valve700px_location2ajpg

    Equalizing Pressure Point

  • valve700px_location3ajpg

    Temperature Sensing Element

  • valve700px_location4ajpg

    Pushrod Upper Guide and Seal Plug

  • valve700px_location5ajpg

    Pushrod Seal

  • valve700px_location6ajpg


  • valve700px_location7ajpg

    Ball and Seat

  • valve700px_location8ajpg

    Superheat Spring

  • valve700px_location9ajpg

    Retainer Plug

Typical TXV System

Typical TXV System