Closed Spring Loaded Full Bore Type Safety Valve

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zhu.yuqing@zgkkv.com

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Details

Our products now cover a wide range of standardized fluid control products that can be adapted to a variety of drive modes, comprising ball valves, butterfly valves, gate valves, globe valves, check valves, safety valves, rotary ball valves, plunger valves etc. Our products are widely used in water conservancy, municipal, electric power, gas, petrochemical, coal chemical, energy, environmental protection, medicine, real estate, metallurgy, mining and many other fields.

A42Y-C type are used for the equipment and pipeline of the air, petroleum gas, liquid etc medium what theworking temperature are less than 300°C.A42Y-P type and A42Y-R type are used for the equipment and pipeline of the quality with corrode medium whatthe working temperature are less than 200°C. Take for extra pressure protection devices.

Materials For Main Parts

NO.	Name of par	Materials
NO.	Name of par	A42Y-C/KA42Y-C	A42Y-P/KA42Y-P	A42Y-R	DA42Y-P
1	Seat	20Cr13/304	304	ZG1Cr18Ni12Mo2Ti	304
2	Body	WCB	CF8	ZG1Cr18Ni12Mo2Ti	LCB/CF8
3	Adjusting ring	20Cr13/304	304	1Cr18Ni12Mo2Ti	304
4	Disc holder	20Cr13/304	304	1Cr18Ni12Mo2Ti	304
5	Disc	20Cr13/304	304	1Cr18Ni12Mo2Ti	304
6	Guide sleeve	20Cr13/304	304	1Cr18Ni12Mo2Ti	304
7	Bonnet	ZG230-450	ZG230-450	ZG230-450	CF8
8	Spring	50CrVA	50CrVA Coated Tefion	50CrVA Coated Teflon	50CrVA
9	Stem	20Cr13	304	304/316	304
10	Adjusting bolt	45	20Cr13	20Cr13	20Cr13
11	Can	ZG200-400	ZG200-400	ZG200-400	ZG230-450
Sealing surface of material			Depositing stellite

Dimensions(mm)

Type	DN	do	D	K	g	g1	b	f	f1	Z-φd	DN'	D1	k1	g2	g	b1	f	f1'	Z1-φd1	L	L1	≈H
A42Y-16C A42Y-16P A42Y-16RK A42Y-16C DA42Y-16C(P)	20	15	105	75		55	16	2		4-15	25	115	85		65	16	2		4-14	110	95	378
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	378
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	378
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	406
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	450
	65	40	185	145		120	20	3		4-18	80	200	160		135	20	3		8-18	160	140	520
	80	50	200	160		135	20	3		8-18	100	220	180		155	22	3		8-18	170	135	525
	100	65	220	180		155	22	3		8-18	125	250	210		185	22	3		8-18	195	175	690
	125	80	250	210		185	22	3		8-18	150	285	240		210	24	3		8-23	210	190	780
	150	100	285	240		210	24	3		8-23	175	310	270		240	26	3		8-23	255	230	838
	200	125	340	295		265	26	3		12-23	250	405	355		320	30	3		12-26	300	260	992
	250	150	405	355		320	30	3		12-26	300	460	410		375	30	4		12-26	350	320	1266
	300	220	460	410		375	30	4		12-26	400	580	525		485	36	4		16-30	370	350	1283
	350	250	520	470		435	34	4		16-26	500	715	650		608	44	4		20-34	500	450	1520
	400	280	580	525		485	36	4		16-30	500	715	650		608	44	4		20-34	500	450	1530
A42Y-25C A42Y-25P A42Y-25R KA42Y-25C DA42Y-25(P)	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	378
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	378
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	378
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	406
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	450
	65	40	185	145		120	22	3		8-18	80	200	160		135	20	3		8-18	160	140	520
	80	50	200	160		135	22	3		8-18	100	220	180		155	22	3		8-18	170	135	525
	100	65	230	190		160	24	3		8-23	125	250	210		185	22	3		8-18	195	175	690
	125	80	270	220		188	28	3		8-26	150	285	240		210	24	3		8-23	210	190	780
	150	100	300	250		218	30	3		8-26	175	310	270		240	26	3		8-23	255	230	838
	200	125	360	310		278	34	3		12-26	250	405	355		320	30	3		12-26	300	260	992
	250	150	425	370		332	36	3		12-30	300	460	410		375	30	4		12-26	350	320	1266
	300	220	485	430		390	40	4		16-30	400	580	525		485	36	4		16-30	370	350	1283
A42Y-40 A42Y-40P A42Y-40R KA42Y-40 DA42Y-40(P)	20	15	105	75	51	55	16	2	4	4-14	25	115	85		65	16	2		4-14	110	95	378
	25	16	115	85	58	65	16	2	4	4-14	32	140	100		78	18	2		4-18	110	95	378
	32	20	140	100	66	78	18	2	4	4-18	40	150	110		85	18	3		4-18	115	100	378
	40	25	150	110	76	85	18	3	4	4-18	50	165	125		100	20	3		4-18	120	110	406
	50	32	165	125	88	100	20	3	4	4-18	65	185	145		120	20	3		4-18	135	120	450
	65	40	185	145	110	120	22	3	4	8-18	80	200	160		135	20	3		8-18	160	140	520
	80	50	200	160	121	135	22	3	4	8-18	100	220	180		155	22	3		8-18	170	135	525
	100	65	235	190	150	160	24	3	4.5	8-23	125	250	210		185	22	3		8-18	195	175	690
	125	80	270	220	176	188	28	3	4.5	8-26	150	285	240		210	24	3		8-23	210	190	780
	150	100	300	250	204	218	30	3	4.5	8-26	175	310	270		240	26	3		8-23	255	230	838
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355		320	30	3		12-26	300	260	992
	250	150	450	385	313	345	42	3	4.5	12-34	300	460	410		375	30	4		12-26	350	320	1266
A42Y-64 A42Y-64P A42Y-64R DA42Y-64(P)	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	96	85	264
	25	16	140	100	58	78	22	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	277
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	289
	40	25	170	125	76	95	24	3	4	4-23	50	165	125	88	100	20	3	4	4-18	130	120	319
	50	32	180	135	88	105	26	3	4	4-23	65	185	145	110	120	22	3	4	8-18	135	130	389
	65	40	205	160	110	130	28	3	4	8-23	80	200	160	121	135	22	3	4	8-18	175	160	493
	80	50	215	170	121	140	30	3	4	8-23	100	235	190	150	160	24	3	4.5	8-23	175	160	483
	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	613
	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	894
A42Y-100 A42Y-100P A42Y-100R DA42Y-100(P)	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	96	85	264
	25	16	140	100	58	78	24	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	277
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	289
	40	25	170	125	76	95	26	3	4	4-23	50	165	125	88	100	20	3	4	4-18	130	120	319
	50	32	195	145	88	112	28	3	4	4-26	65	185	145	110	120	22	3	4	8-18	135	130	389
	65	32	220	170	110	138	32	3	4	8-26	80	200	160	121	135	22	3	4	8-18	175	160	493
	80	40	230	180	121	148	34	3	4	8-26	100	235	190	150	160	24	3	4.5	8-23	175	160	483
	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	613
	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	894