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今天的福彩3d开机号:Bellow seal valve

3d开机号中华公益时报 www.lxotwc.com.cn Product overview

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