Extended body gate valves

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Extended body gate valves
Posting date : Sep 09, 2013
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85-
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Size range(s) NPS 1/4 - 2 (DN 8 - 50) Pressure rating ASME Classes 150 - 4500 Standard connections Threaded, Socket weld, Flanged Features and benefits ● A compact but extremely sturdy design for high pressure-temperature service. ● Solid CoCr alloy wedge (optional) ensures low friction and long service life. ● For Class 1500 valves and for steam service, seats are seal-weldedto the body. ● Packing rings are precompressed to 4000 psi to provide a high integrity seal. ● For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (Body/bonnet threads and strength-weld). ● Fully guided wedge reduces wear on seating surfaces. ● Repairable 2-piece stem drive. ● Parallel slide gate valves also available. ● Optional design available with double packing, leak-off connection, live-loading and a packing blowout for easy removal of old packing. China PowerTop Energy System Co.,Ltd. Add: 14th Building,QiGangYuan,ShiZhuang Town, JiangYin , JiangSu , 325105, China mailbox:Mark @ptesx.com web:www.ptesx.com

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