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苏州纽威阀门股份有限公司
苏州纽威阀门股份有限公司
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Bellow seal valves are normally installed in working conditions that have strict emission requirements. Possible leakage arising from stem movement is eliminated by mounting a metal bellow between the bonnet and the stem. The bellow can follow the lineair movement of the stem easily, creating a stable and state of the art zero emission seal.
Size: NPS 1/2"~2"(DN15~DN50）
Pressure Rating: ASME CLASS 150~1500（PN16~PN260）
Body material：Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel
End connection：RF, BW, RTJ,SW,NPT
Operation：Manual, Pneumatic, Electric, Hydraulic
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