Flexible butterfly valve
Stretch and shrink butterfly valve is besides have other and soft seal completely the characteristic of butterfly valve, and still can do the cold flexible function of hot bulge for expiation of piping difference in temperatures, and replace, maintain the valve or offer convenience for repairing.

Size: 1/2??36??
Pressure: 150lb-1500lb
Material: Body: WCB, 304,316, 316L
Trim: 304, 316, Cr13
End: flanged, thread, butt-welding, socket-welding
Standard: API, ANSI, DIN, NF, BS, JIS, JPI
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