Fig.4131 Swing Check Valve, MS SP-71.

Fig. 4131美标旋启式止回阀

Swing Check Valve, MS SP-71.
Design:  MSS SP-71 / AWWA C508
Class: 125Lbs, 200WOG
Face to face: ASME B 16.10, JIS10K
Flange: ASME B 16.1 
Testing: MS SP-71
Size: 2"-24"

*with lever & counterweight available Fig. 4132