锻钢球阀Q61N

高压锻钢球阀 Q61N 高压焊接球阀 高压焊接球阀产品特点 1.高压焊接球阀所有部件均为锻件 2.采用下装式阀杆,设置倒密封结构,确保填料处可靠密封及防止阀杆脱出。 3.采用镶嵌式阀座。阀座背后设置O型圈,确保介质不外漏。 Features 1.All the components are forged ones. 2.Lower-loading Stem and backward sealing construction have been setup for positive sealing at stuffing position and backing-out protecting of the handle. 3.Interbedded valve seat is applied on whose bace RO-ring is also mounted for avoiding the leakage of medium. 高压焊接球阀主要零件材质表 Main Parts and Materials 零件名称 Accessory name 材 质 Material GB ASTM 阀体、阀盖 Body,bonnet WCB A216-WCB 密封圈 Sealing Ring 尼龙 Nylon 尼龙 Nylon 球体 Ball 1Cr18Ni9Ti SS 304 阀座、阀杆 Seat、Stem 2Cr12 A246-416 O形圈O ring 橡胶 RUBBER 橡胶 RUBBER 双头螺柱 Dual-head double-screw bolt 35CrMoA A193-B7 高压焊接球阀主要性能规范 Main Performance Specification 公称压力 PN(MPa) Nominal diameter 试验压力 Test pressure(mpa) 壳体 Shell 高压液密封 High-pressure liquid sealing 低压气密封 Low-pressure hermetic sealing 16.0 24 17.6 0.6 32.0 48 35.2 适用温度 Applicable temperature -40~80