CH41X Type daming check valve_Flange pipe fittings_China Jingjia Valve (Group) Co., Ltd.

This valve mounted on the outlet pipes of the pump is the securty pipes for avoiding the reversal rotation caused by the pressed water stream impacting the pump the stopping of the pump This valve small volume，light and convenient for maintaining with guiding deviec，flexibleclosing，linear sealing，excellent check result and can reducing the closing noise efficiently．

二、 Structures Characteristics And Usahe

Nominal pressure		1.0	1.6	2.5
Test pressure (MPa)	Shell strength	1.5	2.4	3.75
	Sealing performance	1.1	1.76	2.75
Working temperature		≤80
Applicable medium		Water、Oil

三、主要零件材料 Material Far Main Parte

Name Of parts	Body、Seat	Flap	S ealing fale	Spring
Material	Cl、 Steel casting Castiron、 Stainless steel	Cast copper、 Stainless steel	NBR	Stainless steel

五、Maid External And Connecting Dimensions HC41×(Type)

Nominal diameter DN(mm)	L	PNl0						PNl6						PN25
Nominal diameter DN(mm)	L	b	f	D2	D	D1	Z-φd	b	f	D2	D	D1	Z-φd	b	f	D2	D	D1	Z-φd
40	100	18	2	85	150	110	4-18	18	2	85	150	110	4-18	18	2	85	150	110	4-18
50	100	20	3	102	165	125	4-18	20	3	102	165	125	4-18	20	3	99	165	125	4-18
65	120	20	3	122	185	145	4-18	20	3	122	185	145	4-18	22	3	118	185	145	8-18
80	140	22	3	133	200	160	8-18	22	3	133	200	160	8-18	24	3	132	200	160	8-18
100	160	24	3	158	220	180	8-18	24	3	158	220	180	8-18	24	3	156	235	190	8-22
125	180	26	3	184	250	210	8-18	26	3	184	250	210	8-18	26	3	184	270	220	8-26
150	200	26	3	212	285	240	8-22	26	3	212	285	240	8-22	28	3	211	300	250	8-26
200	220	28	3	268	340	295	8-22	30	3	268	340	295	12-22	30	3	274	360	310	12-26
250	240	28	3	320	395	350	12-22	32	3	320	405	355	12-26	32	3	330	425	370	12-30
300	280	28	4	370	445	400	12-22	32	4	370	460	410	12-26	34	4	389	485	430	16-30
350	320	30	4	428	500	460	16-22	36	4	428	520	470	16-26	38	4	450	555	490	16-33
400	360	32	4	482	565	515	16-26	38	4	482	580	525	16-80	40	4	505	620	550	16-86
450	400	32	4	532	615	565	20-26	40	4	532	640	585	20-30	42	4	555	670	600	20-36
500	440	34	4	585	670	620	20-26	42	4	585	715	650	20-33	44	4	615	730	660	20-36