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Enclosed spring-loaded, full-opening, high-pressure safety valves
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Enclosed spring-loaded, full-opening, high-pressure safety valves

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 法兰 35/35CrMoA 2Cr13 1Cr18Ni12Mo2Ti
2 Valve Seat 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
3 Valve body 40 1Cr18Ni9Ti 1Crl8Ni12Mo2Ti
4 Adjustment ring 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
5 Valve 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
6 反冲盘 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

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