Fig. 2041 沟槽连接中线蝶阀
Grooved End Butterfly Valve
Design: EN593 / BS5155 / MSS SP-67 Face to face: MSS SP-67, KS B2822 Class: PN10/16, 125Lbs Testing: EN12266-1, API 598 Size: DN50-DN300 Grooves conform to AWWA C606 TABLE 4
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