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Ball valve Series

Butterfly's valve Series

Stop valve Series

Relief valve Series

Non-return valve Series

Hydropower station valve Series

Relief pressure valve Series

Keep the valve warm Series

Dredge water valve Series

Regulating valve Series

Electromagnetic valve Series

Ammonia pneumatic valve Series

Oxygen valve Series

Pneumatic valve Series

Temperature-controled valve Series

Filter Series

Forge the steel valve Series

U.S.A. marks the valve Series

Vacuum valve Series

Water conservancy controls the valve Series

Valve of force of hygiene Series

Liquefied gas valve Series

Stainless steel valve Series

Soft sealed floodgate valve Series

Corrugated pipe valve Series

Needle type valve, instrument valve Series

Line with the glue and line with Fluorine valve Series

Corrugated pipe , compensator Series

Knife-type valve, the valve serous Series

Classification：Relief valve Trade names：

Bring spanner spring opening type relief valve jointly

Classification of the products: Series of the relief valve

The detailed materials of the products:

A48Y type is suitable for the equipment and pipeline of such medium as working temperature ≤ steam , air of 350 degrees Centigrade ,etc.. A44Y is suitable for the equipment or pipeline of such medium as working temperature ≤ air , petroleum of 300 degrees Centigrade ,etc., as exceeding pressing protectors.
Join standard PN<6.4MPa of flange according to 1 of JB/T-94 series. PN≥ 6.4MPa, according to 2 standards of JB/T-94 series.

Main spare part material

NO.	Part name	A48Y-C A44Y-C material	A44Y-P material	A44Y-R material
1	The valve has body	WCB	ZG1Cr18Ni9Ti	CF8M
2	Valve seat	2Cr13	1Cr18Ni9Ti	316
3	Regulate and enclose	ZG2Cr13	ZG1Cr18Ni9Ti	0Cr18Ni12Mo2Ti
4	Recoil plate	ZG2Cr13	ZG1Cr18Ni9Ti	316
5	Valve one	2Cr13	1Cr18Ni9Ti	316
6	Lead set	2Cr13	1Cr18Ni9Ti	0Cr18Ni12Mo2Ti
7	The valve covering	ZG230-450	ZG230-450	ZG230-450
8	Spring	50CrVA	50CrVA wraps up and covers the fluoroplastics	50CrVA wraps up and covers the fluoroplastics
9	Valve stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	Spanner	ZG200-400	ZG200-400	ZG200-400
11	Adjust spiral shell's pole	45	2Cr13	2Cr13
12	Protect and cover	ZG200-400	ZG200-400	316
	Seal the surface material	Pile and weld the base hard alloy of Co

External dimension and size of connecting

Type	Nominal and open directly	do	D	K	g	g1	b	f	f1	Z-ød	DN'	D1	K1	g3	g2	b1	f'	f1'	Z1-ød1	L	L1	≈ H
A48Y-16C A44Y-16C A44Y-16P A44Y-16R	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	411
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	411
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	411
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	472
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	532
	65	40	185	145		120	20	3		4-18	80	200	160		135	20	3		8-18	160	140	556
	80	50	200	160		135	20	3		8-18	100	220	180		155	22	3		8-18	170	135	561
	100	65	220	180		155	20	3		8-18	125	250	210		185	22	3		8-18	195	175	667
	125	80	250	210		185	22	3		8-18	150	285	240		210	24	3		8-23	210	190	857
	150	100	285	240		210	24	3		8-23	175	310	270		240	26	3		8-23	255	230	915
	200	125	340	295		265	26	3		12-23	250	405	355		320	30	3		12-26	300	260	1073
	250	150	405	355		320	30	3		12-26	300	460	410		375	30	4		12-26	350	320	1307
	300	220	460	410		375	30	4		12-26	400	580	525		485	36	4		16-30	370	350	1233
	350	250	520	470		435	34	4		16-26	500	715	650		608	44	4		20-34	500	450	1711
	400	280	580	525		485	36	4		16-30	500	715	650		608	44	4		20-34	500	450	1780
A48Y-25 A44Y-25 A44Y-25P A44Y-25R	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	411
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	411
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	411
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	472
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	532
	65	40	185	145		120	22	3		8-18	80	200	160		135	20	3		8-18	160	140	556
	80	50	200	160		135	22	3		8-18	100	220	180		155	22	3		8-18	170	135	561
	100	65	230	190		160	24	3		8-23	125	250	210		185	22	3		8-18	195	175	667
	125	80	270	220		188	28	3		8-26	150	285	240		210	24	3		8-23	210	190	857
	150	100	300	250		218	30	3		8-26	175	310	270		240	26	3		8-23	255	230	915
	200	125	360	310		278	34	3		12-26	250	405	355		320	30	3		12-26	300	260	1073
	250	150	425	370		332	36	3		12-30	300	460	410		375	30	4		12-26	350	320	1307
	300	220	485	430		390	40	4		16-30	400	580	525		485	36	4		16-30	370	350	1233
	350	250	555	490		448	44	4		16-34	500	715	650		608	44	4		20-34	500	450	1711
	400	280	620	550		505	48	4		16-36	500	715	650		608	44	4		20-34	500	450	1780
A48Y-40 A44Y-40 A44Y-40P A44Y-40R	20	15	105	75	51	55	16	2	4	4-14	25	115	85		65	16	2		4-14	110	95	411
	25	16	115	85	58	65	16	2	4	4-14	32	140	100		78	18	2		4-18	110	95	411
	32	20	140	100	66	78	18	2	4	4-18	40	150	110		85	18	3		4-18	115	100	411
	40	25	150	110	76	85	18	3	4	4-18	50	165	125		100	20	3		4-18	120	110	472
	50	32	165	125	88	100	20	3	4	4-18	65	185	145		120	20	3		4-18	135	120	532
	65	40	185	145	110	120	22	3	4	8-18	80	200	160		135	20	3		8-18	160	140	556
	80	50	200	160	121	135	22	3	4	8-18	100	220	180		155	22	3		8-18	170	135	561
	100	65	235	190	150	160	24	3	4.5	8-23	125	250	210		185	22	3		8-18	195	175	697
	125	80	270	220	176	188	28	3	4.5	8-26	150	285	240		210	24	3		8-23	210	190	857
	150	100	300	250	204	218	30	3	4.5	8-26	175	310	270		240	26	3		8-23	255	230	915
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355		320	30	3		12-26	300	260	1073
	250	150	450	385	313	345	42	3	4.5	12-34	300	460	410		375	30	4		12-26	350	320	1307
	300	220	515	450	364	408	46	4	4.5	16-34	400	580	525		485	36	4		16-30	370	350	1233
	350	250	580	510	422	465	52	4	5	16-36	500	715	650		608	44	4		20-34	500	450	1711
	400	280	660	585	474	535	58	4	5	16-41	500	715	650		608	44	4		20-34	500	450	1711
A48Y-64 A44Y-64 A44Y-64P A44Y-64R	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	96	85	297
	25	16	140	100	58	78	22	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	310
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	322
	40	25	170	125	76	95	24	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	352
	50	32	180	135	88	105	26	3	4	4-23	65	185	145	110	120	22	3	4	8-18	155	135	425
	65	40	205	160	110	130	28	3	4	8-23	80	200	160	121	135	22	3	4	8-18	175	160	570
	80	50	215	170	121	140	30	3	4	8-23	100	235	190	150	160	24	3	4.5	8-23	175	160	560
	100	65	250	200	150	168	32	3	4.5	8-26	125	270	220	176	188	28	3	4.5	8-25	195	195	690
	150	100	345	280	204	240	38	3	4.5	8-34	200	375	320	260	282	38	3	4.5	12-30	280	265	935
A48Y-100 A44Y-100 A44Y-100P A44Y-100R	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	3	4	4-14	96	85	297
	25	16	140	100	58	78	24	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	310
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	2	4	4-18	130	110	322
	40	25	170	125	76	95	26	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	352
	50	32	195	145	88	112	28	3	4	4-26	65	185	145	110	120	22	3	4	8-18	155	135	425
	65	32	220	170	110	138	32	3	4	8-26	80	200	160	121	135	22	3	4	8-18	175	160	570
	80	40	230	180	121	148	34	3	4	8-26	100	235	190	150	160	24	3	4.5	8-23	175	160	560
	100	50	265	210	150	172	38	3	4.5	8-30	125	270	220	176	188	28	3	4.5	8-25	195	195	690
	150	80	355	290	204	250	46	3	4.5	12-34	200	375	320	260	282	38	3	4.5	12-30	280	265	935


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