4122 Closed Spring Loaded Full Lift Type High Pressure Relief Valve

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Product Overview
Specifications
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Product Overview

Series

a42y-160、a42y-320、a42y-160p、a42y-320p、a42y-160r、a42y-320r

Use of A42Y-160, A42Y-320

A42Y-160, 320 type is suitable for working temperature ≤ 200 ℃ air, nitrogen and chlorine mixture and other media equipment and pipeline.A42Y-160P/320P, A42Y-160R/320R type is suitable for working temperature ≤ 200 ℃ corrosive media equipment or pipeline, as an overpressure protection device.
Connection flange standard according to JB/T2769-92 standard.

Certification

BasCo offers a full range of safety valve products, having obtained certifications such as TS, EAC, and type testing qualifications. It provides safe and reliable customized solutions and products tailored to users' actual working conditions.

Specifications

Main parts and materials

No.	Parts Name	A42Y-60/320Material	A42Y-60P/320P	A42Y-60R/320R
1	Flang	35/35CrMoA	2Cr13	1Cr18Ni12Mo2Ti
2	Nozzle	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
3	Body	40	1Cr18Ni9Ti	1Crl8Ni12Mo2Ti
4	Adjusting ring	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	Valve	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Disc hold	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
7	Guide sleeve	2Cr13	1Cr18Ni9Ti	1Crl8Ni12Mo2Ti
8	Valve cover	ZG230-450	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
9	Valve stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
10	Spring	50CrVA	50CrVA coated fluoroplastic	50CrVA coated fluoroplastic
11	Adjusting screw	45	2Cr13	2Cr13
12	Valve bonnet	ZG200-400	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
	Sealing surface material	Surfacing Co-based cemented carbide

Main dimensions

Model	DN	D0	D	M	K	D	Z-	b	d1	M1	k1	D1	Z1-Φd1	b1	L	L1	H
A42Y-160	15	8	20	M24x2	60	95	3-18	20	29	M42x2	80	115	4-18	22	95	100	220
	20	8	27	M33x2	68	105	3-18	20	29	M42x2	80	115	4-18	22	95	100	220
	25	14	28	M33x2	68	105	3-18	20	50	M64x3	115	165	6-26	32	150	150	280
	32	15	37	M42x2	80	115	4-18	22	50	M64x3	115	165	6-26	32	150	150	390
	40	20	47	M52x2	115	165	6-26	28	65	M80x3	145	200	6-29	40	180	180	495
	50	25	59	M64x3	115	165	6-26	32	80	M100x3	170	225	6-33	50	165	165	400
A42Y-320	15	8	27	M33x2	68	105	3-18	20	29	M42x2	80	115	4-18	22	95	100	220
	20	8	30	M33x2	75	110	3-18	22	29	M42x2	80	115	4-18	22	95	100	220
	25	14	35	M42x2	80	115	4-18	22	50	M64x3	115	165	6-26	32	150	150	280
	32	15	41	M48x2	95	135	4-22	25	50	M64x3	115	165	6-26	32	150	150	390
	40	20	58	M64x3	115	165	6-26	32	65	M80x3	145	200	6-29	40	180	180	495
	50	25	70	M80x3	145	200	6-29	40	80	M100x3	170	225	6-33	50	165	165	400
A42Y-400	32	15	41	M48x2	95	135	4-22	25	50	M64x3	115	165	6-26	32	150	150	397