F304截止阀 不锈钢法兰截止阀 法兰式不锈钢截止阀 F304材质法兰截止阀 高压不锈钢法兰截止阀 不锈钢小口径法兰截止阀 不锈钢法兰截止阀 火力发电厂专用蒸汽截止阀 不锈钢F304截止阀
J41W-16P J41W-25P J41W-40P J41W-64P J41W-100P J41W-160P
J41Y-16C J41Y-25C J41Y-40C J41Y-64C J41Y-100C J41Y-160P
不锈钢美标截止阀 API美标不锈钢截止阀 美标法兰式不锈钢截止阀 美标高压截止阀 不锈钢美标小口径锻钢截止阀 磅级高压截止阀
J41H-150LB J41H-300LB J41H-600LB J41H-900LB J41H-1500LB J41H-2500LB
J41Y-150LB J41Y-300LB J41Y-600LB J41Y-900LB J41Y-1500LB J41Y-2500LB
锻钢阀系列:J41W/Y锻钢截止阀的详细资料: |
锻钢截止阀整体法兰阀门有三种阀盖设计,***种是螺栓型阀盖,通过凹凸面连接,采用不锈钢带与柔性石墨缠绕垫片,按需求也可采用环连接,***种是焊接型阀盖,通过螺纹密封后焊接,按需求也可直接采用刚性焊接,第三种是自密封阀盖,通过螺纹与自密封阀盖连接。 结构设计和规范 锻钢截止阀制造按API602,BS5352,ANSI/ASME B16.34,试验与验收按API 598,标识按照MSS SP-25。 结构型式 1.全通径或缩径 |