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Flange Connection Check Valve (fully Lined, Swing-open Type)

Flange Connection Check Valve (fully Lined, Swing-open Type)

Flange Connection Check Valve (fully Lined, Swing-open Type)

Flange Connection Check Valve (fully Lined, Swing-open Type)

Flange Connection Check Valve (fully Lined, Swing-open Type)

Flange Connection Check Valve (fully Lined, Swing-open Type)


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Nominal pressure: PN0.6~1.6(MPa)

Nominal diameter: DN15~500(mm)

Implementation standards

Design and Manufacturing	GB/T12236
Structure length	GB/T 12221(long-short series)
Flange Size	HG/T 20592(or as required by the contract)
pressure test	GB/T 13927
symbolize	GB/T 12220
fill	GB/T 12252

Main parts and components material table

serial number	Part Name	gray cast iron	carbon steel	stainless steels		Ultra-low carbon stainless steel
serial number	Part Name	Z	C	P	R	PL	RL
1	Valve body, valve cover	HT250	WCB	CF8	CF8M	CF3	CF3M
2	Lining/seat	FEP(F46 PCTFE(F3 PFA(Soluble polytetrafluoroethylene) PO(polyolefin)
3	Shaft, Flap (Plate)	25 1Cr18Ni9/CF8 00Cr17Ni14Mo2/CF3M
4	bolt (male component of nut and bolt)	35	35	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9
5	nut (female component of nut and bolt)	45	45	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9

Main connection dimensions and weight (H44F46)

Nominal diameter DN(mm	Standard value (unit: mm)							reference point
	L	D	D₁	D₂	f	b	Z-Φd	H	W(kg)
	PN0.6(MPa)
15	150	80	55	40	3	12	4-Φ11	55	4
20	150	90	65	50	3	14	4-Φ11	58	5
25	160	100	75	60	3.5	14	4-Φ11	60	6
32	180	120	90	70	3.5	14	4-Φ14	75	7
40	200	130	100	80	3.5	14	4-Φ14	82	8
50	230	140	110	90	4	14	4-Φ14	95	10
65	290	160	130	110	4	14	4-Φ14	105	20
80	310	190	150	128	4	16	4-Φ18	120	25
100	350	210	170	148	4.5	16	4-Φ18	135	30
125	400	240	200	178	4.5	18	8-Φ18	158	50
150	480	265	225	202	4.5	18	8-Φ18	180	65
200	495	320	280	258	5	20	8-Φ18	215	137
250	622	375	335	312	5	22	12-Φ18	240	150
300	698	440	395	365	5	22	12-Φ22	265	185
350	787	490	445	415	5	22	12-Φ22	300	215
400	914	540	495	465	6	22	16-Φ22	360	244
450	978	595	550	520	6	22	16-Φ22	385	276
500	978	645	600	570	6	24	20-Φ22	415	315
600	1295	755	705	670	6	30	20-Φ26	540	410

Main connection dimensions and weight (H44F46)

Nominal diameter DN(mm)	Standard value (unit: mm)							reference point
	L	D	D₁	D₂	f	b	Z-Φd	H	W(kg)
	PN1.0(MPa)
15	130	95	65	45	3	16	4-Φ14	55	5
20	150	105	75	58	3	18	4-Φ14	58	7
25	160	115	85	68	3.5	18	4-Φ14	60	9
32	180	140	100	78	3.5	18	4-Φ18	75	11
40	200	150	110	88	3.5	18	4-Φ18	82	13.5
50	230	165	125	102	4	18	4-Φ18	95	18
65	290	185	145	122	4	18	8-Φ18	105	22
80	310	200	160	138	4	20	8-Φ18	120	28
100	350	220	180	158	4.5	20	8-Φ18	135	34
125	400	250	210	188	4.5	22	8-Φ18	158	58
150	480	285	240	212	4.5	22	8-Φ22	180	72
200	495	340	295	268	5	24	8-Φ22	215	150
250	622	395	350	320	5	26	12-Φ22	240	165
300	698	445	400	370	5	26	12-Φ22	265	190
350	787	505	460	430	5	26	16-Φ22	300	225
400	914	565	515	482	5	26	16-Φ26	360	254
450	978	615	565	532	6	28	20-Φ26	385	285
500	978	670	620	585	6	28	20-Φ26	415	333
600	1295	780	725	685	6	34	20-Φ30	540	410

Main connection dimensions and weight (H44F46)

Nominal diameter DN(mm)	Standard value (unit: mm)							reference point
	L	D	D₁	D₂	f	b	Z-Φd	H	W(kg)
					PN1.6(MPa)
15	130	95	65	45	3	16	4-Φ14	55	6
20	150	105	75	58	3	18	4-Φ14	58	7.8
25	160	115	85	68	3.5	18	4-Φ14	60	10
32	180	140	100	78	3.5	18	4-Φ18	75	12.5
40	200	150	110	88	3.5	18	4-Φ18	82	14.5
50	230	165	125	102	4	18	4-Φ18	95	19.5
65	290	185	145	122	4	18	8-Φ18	105	25.5
80	310	200	160	138	4	20	8-Φ18	120	30
100	350	220	180	158	4.5	20	8-Φ18	135	36
125	400	250	210	188	4.5	22	8-Φ18	158	62
150	480	285	240	212	4.5	22	8-Φ22	180	78
200	495	340	295	268	5	24	12-Φ22	215	156
250	622	405	355	320	5	26	12-Φ26	240	172
300	698	460	410	378	5	28	12-Φ26	265	240
350	787	520	470	428	5	30	16-Φ26	300	208
400	914	580	525	490	5	32	16-Φ30	350	265
450	978	640	585	550	4	34	20-Φ30	385	285
500	978	715	650	610	4	34	20-Φ33	415	333
600	1295	840	770	725	6	36	20-Φ36	540	410

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