Liquid ammonia emergency cut-off valve should pay attention to what matters?

Liquid ammonia emergency cut-off valve, also known as liquid ammonia gas emergency shut-off valve, excellent technical performance, low load loss and high reliability, installed in liquid ammonia, liquefied petroleum gas, gas or gas pipeline, and long distance gas source [ Nitrogen ` anhydrous air] Supporting the use, the use of air control valve opens - Shut down, so that on a pipe or tank leaking even fire, fast through electromagnetic valve manually or the air pressure relief, or high temperature & ge; While p5C 75% % % % D fusible alloy melt, and the cylinder pressure relief automatically, quickly close the valve and stop leakage, safety protection role. Widely used in chemical industry, gas heat pipe, gas pipe network system of dangerous goods factory workshop, gas boiler room and residential home security facilities. Note: 1, keeping the individual foreign pathways of this valve with a plug or cover closed and stored in dry and ventilated room, long-term storage should be regularly check, remove dirt, and coating on the surface of the processing rust-proof oil, prevent rust. 2. Before installing the valve should be clean and tighten the screw thread joint. 3, liquid ammonia, emergency cut-off valve on the principle of check valve, can only be one-way truncation, when installation should pay attention to the valve symbol, is going to protect as the valve at the end of the entrance. The valve installation direction; High to low