Double spring safety valve main features dual spring safety valve is suitable for the working temperature of 350 ℃ or less medium such as air, steam, water equipment and piping, as the overpressure protection device. Double spring safety Industrial Valves is in a Y type joint on two of the same specifications A47H, A48Y type of relief valve, double spring safety valve nominal diameter refers to import Y type joint size. Double spring safety Industrial Valves scope of urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, environmental protection type double spring safety valve, the corresponding matching diameter A37 DN (nominal diameter mm) 5080100125150 type corresponding A47H DN326580100125A43 nominal diameter DN (nominal diameter mm) 5080100125150 type corresponding A47H DN325080100125A38 nominal diameter DN (nominal diameter mm) Type 5080100150 corresponding A48H DN325065100 nominal diameter double spring safety valve shape and nominal size size DN ( mm) Size Dimensions ( mm) LL1BDN 'doA37 type 50115225165322 x 2580140310205652 x 50100160355255802 x 651251704102601002 x 801501904302751252 x 100 DN (nominal diameter mm) Size Dimensions ( mm) LL1BDN 'doA43 type 50115225165322 x 2580135295190502 x 40100160352255802 x 651251704102601002 x 801501904302751252 x 100 DN (nominal diameter mm) Size Dimensions ( mm) LL1BDN 'doA38 type 50115225165402 x 2080135295190652 x 32100160365265802 x 401501954152751252 x 65 relief valve selection: the & # 8226; Use full rev type steam boiler safety valve, general spring safety valve. • Liquid medium with safety valve, generally choose micro type spring safety valve. • Air or other gas medium with safety Industrial Valves, general use full rev type spring safety valve. • Liquefied petroleum gas (LPG) in rail tanker car tank lorry or liquefied petroleum gas (LPG) with safety valve, generally choose the type built-in relief valve. • Oil production Wells exports ( Christmas tree) With a safety valve, pilot operated relief valve is generally selected. • High pressure bypass valve of steam generators, generally choose has a dual function of safety and control pilot operated relief valve. More 'safety valve' pump valve network query product information, please visit: http://s. zgbfw。 com
is a modern gate valve widely used in cast iron valve industry. It also enhances the quality os&y valve value of the products.
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[拓展名称] include a great variety of devices with a wide range of complexity: from simple os & y valve fire protection used since prehistoric times to the complex of modern mechanized os&y gate valve.