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Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)

Flange Connection Check Valve (fully Lined)


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Nominal pressure: PN0.6~1.6(MPa)

Nominal diameter: DN15~500(mm)

Basic Model: H41PFA H41F₄₆ H41F₄

Implementation standards

Design and Manufacturing	GB/T 12235
Structure length	GB/T 12221/HG/T 3704
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 connection dimensions and weight

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)		1Cr13/35 WCB 1Cr18Ni9/CF8 00Cr17Ni14Mo2/CF3M
4	bolt (male component of nut and bolt)	35	35	1Cr17Ni2	1Cr17Ni2	1Cr18Ni9T	1Cr18Ni9T
5	nut (female component of nut and bolt)	45	45	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9

Main connection dimensions and weight

Nominal diameter DN(mm)	Standard value (unit: mm)							reference point
	L	D	D₁	D₂	f	b	Z-Φd	H	W(kg)
	Long Short	PN0.6(MPa)
15	130	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	600	320	280	258	5	20	8-Φ18	215	137
250	650	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	5	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

Main connection dimensions and weight

Nominal diameter DN(mm)	Standard value (unit: mm)							reference point
	L	D	D₁	D₂	f	b	Z-Φd	H	W(kg)
	Long Short	PN1.0(MPa)
15	130		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	600	340	295	268	5	24	8-Φ22	215	150
250	650	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

Main connection dimensions and weight

Nominal diameter DN(mm)	Standard value (unit: mm)							reference point
	L	D	D1	D2	f	b	Z-Φd	H	W(kg
	Long Short	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	600	340	295	268	5	24	12-Φ22	215	156
250	650	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

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