The large diameter insulating joint, produced by Shenyang Wensheng, is suitable among transportation pipeline of gas and adjusting pressure, measuring and storage. It mainly insulates each part of transportation pipeline of gas, equipment and pipeline, to prolong the use life of pipeline and equipment. Application field: Oil, gas, water, pulp; the suitable temperature is from -40? to 100? Character of the large diameter insulating joint: 1 The large diameter insulating joint produced by our company can take reliable work under the required temperature and pressure of transportation medium, and has enough strength and sealing performance; 2 It has reasonable structure, which is simple to dissemble and replace part; 3 It has electrical insulation performance required by the project.