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First, HH47X butterfly cushion check valve Product Overview:

The factory production of the buffer check valve is mainly used for industrial water supply, sewage treatment plant pump outlet, to prevent pipe network medium countercurrent. Automatic destruction of destructive water hammer to ensure that pumps and pipes from damage. The valve is mainly composed of a valve body, a valve disc, a buffer device and a micro regulating valve. The product has the advantages of novel structure, small volume, small fluid resistance, stable operation, reliable sealing, abrasion resistance and good buffer performance, and is the best product for industrial water and urban sewage.

Second, HH47X butterfly cushion check valve main components and materials:

Part Name	Body	Disc	Stem, cylinder, piston	spring	Seat
material	Gray cast iron, cast steel	Carbon steel	stainless steel	stainless steel	Nitrile rubber

Third, HH47X butterfly cushioning check valve main shape connection size: 　　　　　　　　　　　　　　　　　　　　　　Unit: mm

DN (mm)	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000
L	140	150	170	180	190	200	210	230	250	270	290	310	330	350	390	430	470	510	550
H	200	215	225	235	280	290	310	350	415	450	480	550	585	640	720	780	840	990	1050
H1	88	98	108	118	130	148	172	210	240	264	297	324	351	379	434	491	549	60

The next：Slow silencer closing check valve

The previous：Slow-closing micro-resistance check valve