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Cryogenic Globe Valve
Product overview
Cryogenic globe valve is suitable for the management system of cryogenic liquid storage and transportation equipment. It has the characteristics of flexible switch and reliable sealing. It can also be used in the management system of other cryogenic and cryogenic media.
Product Features
1. The valve shall be able to work for a long time under low temperature medium and ambient temperature;
2. Valves should not be a significant source of heat for cryogenic systems. This is because the inflow of heat not only reduces the thermal efficiency, but also causes the internal fluid to evaporate rapidly, resulting in abnormal pressure rise and danger;
3. Low temperature medium should not have harmful effect on handwheel operation and packing sealing performance;
4. The valve assembly directly contacting with low temperature medium shall have explosion-proof and fireproof structure;
5. The valve assembly working at low temperature cannot be lubricated, so structural measures should be taken to prevent abrasion of friction parts.
Execution Standard
Design spec：JB/T 7749、GB/T 24925
Face to Face：GB/T 12221
Flange end：JB/T 79、GB/T 9113、HG/T 20592
Test & check：JB/T 9092、GB/T 13927
Pressure-temp：GB/T 12224
Performance Parameter
Nominal diameter：DN50~200mm
Nominal Pressure：PN1.6～4MPa
Applicable media：Propane, propylene, methanol, ethane, gas, liquid ammonia
Applicable temperature：-196≤-46℃
Main materials：LCB、LC1、LC2、LC3、LC4、LC8
