56 "large diameter, 600LB high pressure tolerance, designed for low temperature environment! This video shows you the American standard low temperature gate valve made of LCB material, which has excellent low temperature resistance and ensures stability and reliability in extreme low temperatures. Exquisite technology, fine grinding, excellent valve sealing performance, effectively prevent media leakage. LCB American standard low temperature gate valve, excellent quality, to meet the customer's stringent requirements for low temperature fluid control.