供应冠龙水封闸阀，软密封闸阀批发，上海自来水阀门供应，冠龙自来水阀门

水封闸阀 ■主要特点

全通径，明杆带支架 中法兰螺栓连接 弹性双闸板 填料室带0.6MPa水密封结构 系统与大气隔绝，气密性好 标准法兰连接 对焊连接 ■CHIEF FEATURES

FULL PORT,OUTSIDE SCREW AND YOKE(LS&Y) BOLTED BONNET FLEXIBLE DOUBLE WEDGE RISING STEM AND NON-RISING HANDWHEEL PACKING CHAMBER WITH0.6MPa WATER SEAL STRUCTURE SYSTEM ISOLATION FROM AIR,AIR SEAL WELL FLANGED ENDS BUTT-WELDING ENDS ■产品规范

Product Specification

产品规范

Product

Specification 设计规范

Design Spec 结构长度

Face to Face 连接法兰

Flange End 试验与检验

Test & Check 压力-温度

Pressure-Temp 产品标识

Marking 供货规范

Supply GB/T12234 GB/T12221 GB/T79 GB/T9092 GB9131 GB/T12220 JB/T7928 ■ 主要零部件材料

Main Part Material

零件名称 零部件材料 Part Material Part Name 阀体/阀盖 WCB 1Cr5Mo Body/Bonnet 闸板 WCB 1Cr5Mo Wedge 阀杆 2Cr13 25Cr2MoV Stem 密封副 HF+HF/STL+STL STL+STL Hard Trim 填料 柔性石墨/Flexible Graphite Packing 垫片 18-8柔性石墨/18-8Flexible Graphite Bolt 螺栓 35 35CrMo Bolt 适用介质 -29～425℃ -29～540℃ Suitable Medium 适用温度 水、油品、蒸汽

Water,Oil,Steam规范 蒸汽油品

Steam、Oil Suitable Temp