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Butterfly check valve H77X-16

Butterfly check valve H77X-16

Butterfly check valve has low flow resistance coefficient, reliable and compact structure, and lightweight body. By using a clamp connection, the valve disc has a short closing stroke and spring loading, which can significantly reduce water hammer phenomenon. This valve is mainly used for urban, industrial, and high-rise building water supply, drainage pipe networks, and marine applications. Due to its shorter structural length compared to general check valves, it is suitable for places with installation space limitations.

Product drawing

Product drawing.png

Product dimensions

DN10P16P25P150LB300LB
LDLDLDLDLD
401 1/2"60936093609360836093
502"6010860108601086010360109
652 1/2"6712867128671286712267127
803"7314273142731427313573146
1004"7316273162731677317273178
1255"8619286192861948619586213
1506"9821898218982249821898248
2008"127273127273127284127276127304
25010"146328146330146340146336146358
30012"181378181384181400181406181418
35014"184438184444184456184446222482
40016"191490191495191515191510232536
45018"203540203555203565203545264593
50020"219594219616219618219600292650
60024"222695222728222728222714318771
70028"305810305798305827305770368821
80032"305916305908305942305876368936
90036"3681016368100836810363689804831044
100040"43211244321122432115243210905461140
120048"52413385241336524136252413006291365

Technical Documentation

1.execution standardJB/T 8937-2010

Product Parts List

serial numbernamematerial
1valve bodyductile cast iron/carbon steel/stainless steel/aluminum bronze
2valve disccarbon steel/stainless steel/aluminum bronze
3valve seat304/316/STL
4springstainless steel/INCONEL X-750


Related Information

Wenbao Valve Co., Ltd

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