HH47、H47XF、HDH47XButterfly buffer check valve is mainly used for industrial water supply, sewage treatment plant pump outlet, to prevent the reverse flow of medium in the pipe network. Automatic elimination of destructive water hammer, so as to ensure that the pump and pipeline are not damaged. The valve is mainly composed of valve body, disc, buffer device and micro control valve. The product has the characteristics of novel structure, small volume, small fluid resistance, stable operation, reliable dense pair, wear resistance and good buffering performance. It is a good product of industrial water and urban sewage.

Butterfly buffer check valve is mainly used at the outlet of water pump in industrial water supply and sewage treatment plant to prevent reverse flow of medium in pipe network and automatically eliminate destructive water hammer, so as to ensure that water pump and pipeline are not damaged. Butterfly buffer check valve is mainly composed of valve body, disc, buffer device and micro control valve. Butterfly buffer check valve has the characteristics of novel structure, small volume, small fluid resistance, stable operation, reliable sealing, wear resistance and good buffering performance. H47x, hh47x, hh47h, H47XF, HDH47X butterfly buffer check valves are Zui best products for industrial water and urban sewage.

Part name	valve body	Sphenoid plate	密封圈	Stem	filler
Material Science	Gray cast iron carbon steel	Gray cast iron, cast steel, ductile iron	NBR oil resistant rubber Chloroprene rubber		teflon

Nominal diameter DN(mm)	Dimensions(mm)
	L	H	B1	B2
200	230	550	540	600
250	250	630	600	700
300	270	690	650	740
350	290	780	710	800
400	310	860	770	870
450	330	910	830	920
500	350	980	900	1000

 

Nominal diameter DN(mm)	Dimensions(mm)
	L	H	B1	B2
600	390	1070	1090	1250
700	430	1220	1200	1360
800	470	1320	1320	1480
900	510	1430	1420	1580
1000	550	1550	1550	1700
1200	630	1800	1780	1950
1400	710	1980	2000	2175