Closed Spring Loaded Full Bore Type High Pressure Safety Valve

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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-160/320 type are used for the equipment and pipeline ofthe air,N2,H2 mixed gas, etc. medium what the workingtemperature are less than 200C.A42Y-160P/320P.A42Y160R/320R type are used for the equipment and pipeline of thequality with corrode medium what the working temperature areless thorn 200°C.Take for extra pressure protection devices.Flange connecting dimensions of comply with Standard ofJB/T2769-2008.

Materials For Main Parts

NO.	Name of part	Materials
NO.	Name of part	A48Y-C A44Y-C	A44Y-P	A44Y-R
1	Flange	35/35CrMoA	20Cr13	304
2	Seat	20Cr13	304	316
3	Body	40	304	316
4	Adjusting ring	20Cr13	304	316
5	Disc	20Cr13	304	316
6	Disc holder	20Cr13	304	316
7	Guide sleeve	20Cr13	304	316
8	Bonnet	ZG230-450	ZG230-450	ZG230-450
9	Stem	20Cr13	304	304
10	Spring	50CrVA	50CrVA Coated Teflon	50CrVA Coated Teflon
11	Adjusting bolt	45	20Cr13	20Cr13
12	Cap	ZG200-400	ZG200-400	ZG200-400
Sealing surface of material			Co Depositing stelite

Dimensions (mm)

Type	DN	do	d	M	D	K	Z-φd	b	d1	M1	D1	kl	Z1-φdl	b1	L	L1	≈H
A42Y-160	15	8	20	M24×2	60	95	3-18	20	29	M42×2	80	115	4-18	22	95	100	220
	20	8	27	M33×2	68	105	3-18	20	29	M42×2	80	115	4-18	22	95	100	220
	25	14	28	M33×2	68	105	3-18	20	50	M64×3	115	165	6-26	32	150	150	280
	32	15	37	M42×2	80	115	4-18	22	50	M64×3	115	165	6-26	32	150	150	390
	40	20	47	M52×2	115	165	6-26	28	65	M80×3	145	200	6-29	40	180	165	495
	50	25	59	M64×3	115	165	6-26	32	80	M100×3	170	225	6-33	50	190	190	510
A42Y-320	15	8	27	M33×2	68	105	3-18	20	29	M42×2	80	115	4-18	22	95	100	220
	20	8	30	M33×2	75	110	3-18	22	29	M42×2	80	115	4-18	22	95	100	220
	25	14	35	M42×2	80	115	4-18	22	50	M64×3	115	165	6-26	32	150	150	280
	32	15	41	M48×2	95	135	4-22	25	50	M64×3	115	165	6-26	32	150	150	390
	40	20	58	M64×2	115	165	6-26	32	65	M80×3	145	200	6-29	40	180	165	495
	50	25	70	M80×2	145	200	6-29	40	80	M100×3	170	225	6-33	50	190	190	510
A42Y-400	32	15	41	M48×2	95	135	4-22	25	50	M64×3	115	165	6-26	32	190	190	397

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Address: No. 4900 Binhai 3rd Road, Longwan District, Wenzhou City, Zhejiang Province
Production Base: No.11 Xu'an Industrial Zone, Qingtian County, Lishui City
Phone: +86-577-86569666/85986466
Fax: +86-577-85888877
Email: zhu.yuqing@zgkkv.com
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