Disc Stem Nut: Disc Stem Ring connects the disc to the stem, permitting the disc to swivel and aid in securing tight seating for trouble-free service.

  • 阀瓣阀杆螺母:阀瓣阀杆环将阀瓣连接到阀杆上,使得阀瓣能够旋转,并有助于保证阀座地紧密密封和无故障运行。
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