Z41H锻钢法兰闸阀


阀杆


ASTM A182Gr.F6a、ASTM A182F22
ASTM A182-F304、F316、F321、F304L、F316L




6


垫片


柔性石墨+不锈钢




7


阀盖


ASTM A105
ASTM A182-F11、F22、F5、F9

06/22 01:33