ENHQ41 Sliding Path Roller Type Check Valve uses the rubber covered roller as the disc, when, under the action of the medium, can roll up and down along with the integral sliding path inside the valve so as to open or close it. And it features by good tightness, silent close and no production of water hammer. The body is full water-flow path design, big flow, small resistance and the water head loss is smaller that of the swing type by 50%. It is mountable vertically or horizontally and can be used for cold-water, hot-water, industrial and living sludge pipe networks, especially suitable for the submersible sludge pump. The medium temperature:0~80℃

Model	PN(MPa)	Casting test pressure(MPa)	Seal test pressure (MPa)	Materials of body, bonnet
HQ41X-10	1.0	1.5	1.1	HT200
HQ41X-16	1.6	2.4	1.76

DN(mm)	L	D	D1	D2	Z-φd	H
50	180	160	125	100	4-18	185
65	200	180	145	120	4-18	210
80	260	195	160	135	4-18/8-18	245
100	300	215	180	155	8-18	280
125	350	245	210	185	8-18	335
150	400	280	240	210	8-23	400
200	500	335	295	265	8-23/12-23	495
250	600	390/405	350/355	320	12-23/12-25	600
300	700	440/460	400/410	375	12-23/12-25	715
350	800	500/520	460/470	435	16-23/16-25	820