-Shanghai Engung Valve Co.,Ltd

The flange joins the non-return valve
It accords with China's national standard to design and make
The basic structure takes shape: Fasten the opening type, direct going up and down type
Nominal pressure: (MPa)
Nominal and open directly: (mm)
Basic type : H41F3 , H41F46 , H44F3 , H44F4

Major part material

Serial number	Part name	Gray casting iron	Cast steel	Stainless steel
Serial number	Part name	Z	C	P	R
1	Valve body , valve covering	Ht250	WCB	CF8	CF8M
2	Line with the inlay / the valve seat	PFA (but fusibility polytetrafluoroethylene (PTFE) ) of PCTFE (F3 ) of FEP (F46 )
3	Axle , valve one (board)	1Cr13/35WCB1Cr18Ni1900Cr17Ni14Mo2
4	Bolt	35	34	1Cr17Ni2	1Cr17Ni2
5	Nut	45	45	0Cr18Ni9	0Cr18Ni9

Main connection and external dimension

Nominal Open directly DN	Standard value							Consulting value
	L	D	D	D	f	b	Z- Ф d	D0	H	Weight
	PN1.0(MPa)
15	130	95	65	45	2	14	4- Ф 14	105	55	5
20	150	105	75	55	2	16	4- Ф 14	115	58	7
25	160	115	85	65	2	16	4- Ф 14	128	60	9
32	180	135	100	78	2	18	4- Ф 18	145	75	11
40	200	145	110	85	3	18	4- Ф 18	160	82	13.5
50	230	160	125	100	3	20	4- Ф 18	178	95	18
65	290	180	145	120	3	20	4- Ф 18	205	105	22
80	310	195	160	135	3	22	4- Ф 18	230	120	28
100	350	215	180	155	3	22	8- Ф 18	255	135	34
125	400	245	210	185	3	24	8- Ф 18	305	158	58
150	480	280	240	210	3	24	8- Ф 23	345	180	72
200	495	335	295	265	3	26	8- Ф 23	415	215	150
250	622	390	350	320	3	28	12- Ф 23	490	240	165
300	698	440	400	368	4	28	12- Ф 23	540	265	190
350	787	500	460	428	4	30	16- Ф 23	585	300	225
400	914	565	515	482	4	32	16- Ф 25	635	360	254
450	978	615	565	532	4	32	20- Ф 25	680	385	285
500	978	670	620	585	4	34	20- Ф 25	740	415	333

Main connection and external dimension

Nominal Open directly DN	Standard value							Consulting value
	L	D	D	D	f	b	Z- Ф d	D0	H	Weight
	PN1.6(MPa)
15	130	95	65	45	2	14	4- Ф 14	110	55	6
20	150	105	75	55	2	16	4- Ф 14	120	58	7.8
25	160	115	85	65	2	16	4- Ф 14	135	60	10
32	180	135	100	78	2	18	4- Ф 18	150	75	12.5
40	200	145	110	85	3	18	4- Ф 18	165	82	14.5
50	230	160	125	100	3	20	4- Ф 18	185	95	19.5
65	290	180	145	120	3	20	4- Ф 18	210	105	25.5
80	310	195	160	135	3	22	8- Ф 18	235	120	30
100	350	215	180	155	3	24	8- Ф 18	260	135	36
125	400	245	210	185	3	26	8- Ф 18	310	158	62
150	480	280	240	210	3	28	8- Ф 23	350	180	78
200	495	335	295	265	3	30	12- Ф 23	420	215	156
250	622	405	355	320	3	32	12- Ф 25	505	240	172
300	698	460	410	375	4	34	12- Ф 25	560	265	240
350	787	520	470	435	4	38	16- Ф 25	605	300	208
400	914	580	525	485	4	40	16- Ф 30	650	350	265