WTV Series electrical thermal expansion valve (liquid injection) are usually installed suction side of compressor in refrigeration system to protect the refrigeration system from too high discharge gas or oil temperature. The capacities of WTV Series electrical thermal expansion valve (liquid injection) are large and usually used for large refrigeration system. WTV Series electrical thermal expansion valve can work under no influence by suction pressure change. The liquid injection temperature need to be set in factory, and no adjusted in using. Contact us if you need more details on Thermal Expansion Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Electronic Expansion Valve、Thermal Expansion Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.