Ball Check Valves, Single, Double Ball

Summary

Ball Check Valves, Single, Double Ball uses the rubber covered roller as the disc, which, under the action of the medium, can roll up and down along with the sliding path inside the valve so as to open or close it. And it features by the big flow, small flow-resistance loss, good tightness, silent close and reduced water shock wave. It can be mountable vertically or horizontally and used on the outlet of the water pump of the cold-water, hot-water, industrial and living sludge pipe networks to prevent the medium from going back.

Supplier: Saitai Valve, China
Manufacturer: Shop in Shanghai Qingpu Industrial Park

Technical Parameters

Model	PN(MPa)	Casting test pressure (MPa)	Seal test pressure (MPa)	Body material	Ball material
HQ4445X-10	1.0	1.5	1.1	Cast iron	Rubber covered carbon steel
HQ4445X-16	1.6	2.4	1.76	Cast iron	Rubber covered carbon steel

Ball Check Valves, Single, Double Ball

Dimensions of Single Ball

DN mm	HQ44X-1016
DN mm	50	65	80	100	125	150	200	250	300
D	160	180	195	215	245	280	335	405	460
D1	125	145	160	180	210	240	295	355	410
D2	100	120	135	155	185	210	265	320	375
L	250	280	310	350	400	450	550	650	750
H	180	210	225	245	280	320	380	450	510

Dimensions of Double Ball

DN mm	HQ45X-1016
DN mm	200	250	300	350	400	450	500	600	700	800	900	1000
D	360	425	485	550	610	660	730	840	955	1070	1180	1305
D1	310	370	430	490	550	600	660	770	875	990	1090	1210
D2	278	332	390	448	505	555	610	718	815	930	1025	1140
L	550	650	750	850	950	1050	1150	1350	1450	1650	1900	2100
H	510	570	640	715	815	825	980	1155	1260	1350	1660	1700

Typical installation

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Catalog:Check Valves

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