WJ41-16-DN15,WJ41-16-DN20,WJ41-16-DN25,WJ41-16-DN32,WJ41-16-DN40,国标波纹管截止阀




10


填料


柔性石墨




11


填料压盖


WCB、WC6、WC9、C5 CF8、CF8M、CF3、CF3M




12


阀杆螺母


铜

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