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GB/T 592-2015 Marine Flange Cast Iron Check Valve - Reliable Flow Control Solution for Marine Applications

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GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

GB/T 592 2015Marine flange cast iron check valve

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Product Details

GB/T 592 Basic parameters of marine flange cast iron check valve：

Type	Nominal pressure/PN	design pressure/MPa			Nominal diameter DN/mm		Applicable media
A B	10	1.0			65～150		Sea water, fresh water,lubricating oil, fuel oil
	16	1.6			20～50
AS BS	6	0.6			50～150
	10	1.0			65～150
	16	1.6			20～50

Main parts materials：

Part Name		Material
		name			Trademark			standard encdoing
Valve body, valve cover		grey cast iron			HT200			GB/T 9439-2010

Valve disc, bushing		cast tin bronze			ZCuSn10Zn2			GB/T 1176-2013

bushing		cast aluminum bronze			ZCuAI9Mn2			GB/T 1176-2013

Basic dimensions of type A and type B check valves：

Nominal pressure /PN	Nominal diameter DN/ mm	structure size					wall thickness /t	flange					bolt					Lift/m	theoretical weight/kg
		L		H≈		H1		flange					bolt						theoretical weight/kg
		A	B	A	B	B		D	D1	D2	d0	b	n		Th.				A	B
10	65	290	115	130	95	115	9	155	123	104	15	15	6		M14			19	15.1	12.9
	80	310	125	151	102	125	9	170	138	118			8					23	18.3	15.1
	100	350	150	171	116	135	10	190	158	138			8					28	24.8	21.6
	125	400	175	189	135	155	10	215	183	164			10					35	34.7	32.9
	150	480	180	219	154	160	11	240	208	190		16	12					42	48.4	41.2
16	20	150	75	87	66	75	7	95	68	48	13	14	4		M12			7	4.3	3.7
	25	160	80	89	67	80		105	73	56	13	14	4		M12			7	4.4	4.2
	32	180	85	93	68	85		115	83	64	15	15	6		M14			9	5.3	5.2
	40	200	90	105	75	90	8	125	93	74		16						12	7.3	6.6
	50	230	95	117	85	95	8	135	103	84		16						15	8.9	8.3

Basic dimensions of AS type and BS type check valves：

Nominal pressure PN/ MPa	Nominal diameter DN/ mm	structure size					wall thickness /t	flange					bolt					Lift/m	theoretical weight/kg
		L		H≈		H1		flange					bolt						theoretical weight/kg
		AS	BS	AS	BS	BS		D	D1	D2	d0	b	n			Th.			AS	BS
6	50	230	125	117	85	95		140	110	88	14	16	4			M12		15	9.4	10.0
	65	290	145	130	95	145	7	160	130	108	14	16				M12		19	15.5	16.4
	80	310	155	151	102	155	7	190	150	124	18	18				M16		23	19.2	20.3
	100	350	175	171	119	175	8	210	170	144		18						28	28.6	32.2
	125	400	200	189	128	200	8	240	200	174		20	8					35	38.2	40.3
	150	480	225	219	154	160	11	265	225	199			8					42	52.0	56.4
10	65	290	145	130	95	145	7	185	145	118			4					19	18.1	19.0
	80	310	155	151	102	155	7	200	160	132		22	8					23	21.6	22.7
	100	350	175	171	116	175	8	220	180	156		24						28	29.2	30.8
	125	400	200	189	135	200	8	250	210	184		26						35	40.2	42.3
	150	480	225	219	154	160	11	285	240	211	22	26				M20		42	56.4	60.8
16	20	150	95	87	66	95	7	105	75	56	14	16	4			M12		7	4.82	5.0
	25	160	100	89	67	100		115	85	65	14	16				M12		7	5.1	5.3
	32	180	105	93	68	105		140	100	76	18	18				M16		9	7.1	7.3
	40	200	115	105	75	115	6	150	110	84		18						12	9.3	9.7
	50	230	125	117	85	125	6	165	125	99		20						15	11.4	12.0

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