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Jiangsu Tenglong Petrochemical Machinery Co., Ltd.

Products

National standard swing check valve

Standard
Design and production is according to GB/T 12236
Structure length is according to GB/T 12221
Flange connection size is according to JB/T 79
Inspection is according to JB/T 9092

Test pressure

Test item		Shell test	Seal test		Upper seal test		Air seal test
Medium		Water					Gas
Unit		MPa		MPa		MPa	MPa
Nominal pressure(MPa)	1.6	2.4		1.8		1.8	0.5-0.7
	2.5	3.8		2.8		2.8
	4.0	6.0		4.4		4.4
	6.4	9.6		7.8		7.8
	10.0	15.0		11.0		11.0
	16.0	24.0		18.0		18.O

Materials for main parts

Name	Materials
Valve body/valve deck	CF8	CF3	CF8M	CF3M	WCB		LCB	WC6	WC9	C5
Valve clack	CF8	CF3	CF8M	CF3M	WCB		LCB	WC6	WC9	C5
Gasket	PTFE					Graphite
Bolt	Stainless steel					35CrMoA
Nut	Stainless steel					45, 35CrMoA

Main connection dimensions

Model	Nominal diameter DN(mm)	Dimensions (mm)
Model	Nominal diameter DN(mm)	L	D	D1	D2	B-f	z-Фd	H
H H44W-16 Y	20	150	105	75	55	14-2	4-Ф14	100
	25	160	115	85	65	14-2	4-Ф14	100
	32	180	135	100	75	16-2	4-Ф18	105
	40	200	145	110	85	16-3	4-Ф18	115
	50	230	160	125	100	16-3	4-Ф18	135
	65	290	180	145	120	18-3	4-Ф18	140
	80	310	195	160	135	20-3	8-Ф18	145
	100	350	215	180	155	20-3	8-Ф18	165
	125	400	245	210	185	22-3	8-Ф18	250
	150	480	280	240	210	24-3	8-Ф23	295
	200	550	335	295	265	26-3	12-Ф23	315
	250	650	405	355	320	30-3	12-Ф25	430
	300	750	460	410	375	30-4	12-Ф25	480
	350	850	520	470	435	34-4	16-Ф25	500
	400	950	580	525	485	36-4	16-Ф30	520
	450	1050	640	585	545	40-4	20-Ф30	580
	500	1150	705	650	608	44-4	20-Ф34	630
	600	1350	840	770	718	48-5	20-Ф41	780
H H44W-25 Y	20	150	105	75	55	16-2	4-Ф14	100
	25	160	115	85	65	16-2	4-Ф14	100
	32	180	135	100	78	18-2	4-Ф18	105
	40	200	145	110	85	18-3	4-Ф18	115
	50	230	160	125	100	20-3	4-Ф18	135
	65	290	180	145	120	22-3	8-Ф18	140
	80	310	195	160	135	22-3	8-Ф18	145
	100	350	230	190	160	24-3	8-Ф23	165
	125	400	270	220	188	28-3	8-Ф25	250
	150	480	300	250	218	30-3	8-Ф25	295
	200	550	360	310	278	34-3	12-Ф25	315
	250	650	425	370	332	36-3	12-Ф30	430
	300	750	485	430	390	40-4	16-Ф30	480
	350	850	550	490	448	44-4	16-Ф34	500
	400	950	610	550	505	48-4	16-Ф34	520
	450	1050	660	600	555	50-4	20-Ф34	580
	500	1150	730	660	610	52-4	20-Ф41	630
	600	1350	840	770	718	56-5	20-Ф41	780
H H44W-40 Y	20	150	105	75	55	16-2	4-Ф14	100
	25	160	115	85	65	16-2	4-Ф14	100
	32	180	135	100	78	18-2	4-Ф18	105
	40	200	145	110	85	18-3	4-Ф18	115
	50	230	160	125	100	20-3	4-Ф18	135
	65	290	180	145	120	22-3	8-Ф18	140
	80	310	195	160	135	22-3	8-Ф18	145
	1 00	350	230	190	160	24-3	8-Ф23	165
	125	400	270	220	188	28-3	8-Ф25	250
	150	480	300	250	218	30-3	8-Ф25	295
	200	550	375	320	282	38-3	12-Ф30	315
	250	650	445	385	345	42-3	12-Ф34	430
	300	750	510	450	408	46-4	16-Ф34	480
	350	850	570	510	465	52-4	16-Ф34	500
	400	950	655	585	535	58-4	16-Ф41	520
	450	1050	680	610	560	60-4	20-Ф41	580
	500	1150	755	670	612	62-4	20-Ф48	630
	600	1350	890	795	730	62-5	20-Ф54	780
H H44W-64 Y	50	300	175	135	105	26-3	4-Ф23	190
	65	340	200	160	130	28-3	8-Ф23	210
	80	380	210	170	140	30-3	8-Ф23	210
	100	430	250	200	168	32-3	8-Ф25	240
	150 150	550 550	340	280	240	38-3	8-Ф34	310
	200	650	405	345	300	44-3	12-Ф34	360
	250	775	470	400	352	48-3	12-Ф41	450
	300	900	530	460	412	54-4	16-Ф41	500
	350	1025	590	525	475	60-4	16-Ф41	520
	400	1150	670	585	525	66-4	16-Ф48	550
	500	1400	800	705	640	70-4	20-Ф54	650

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Jiangsu Tenglong Petrochemical Machinery Co., Ltd. is a high-tech petrochemical machinery enterprise engaged in R&D, production, test, marketing and service 中文版
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