4122 Closed Spring Loaded Full Lift Type High Pressure Relief Valve

Demand consultation

Product Overview
Specifications
Downloads

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.

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