Closed Spring Loaded Full Bore Type-High Pressure Safety Valve

Closed spring loaded full bore type-high pressure safety valve applications

A42Y-160/320 types are used for the equipment and pipeline of the air, N2, H2 mixed gas, etc. Medium what the working tem-premature are less than 200℃. A42Y-160P/320P, A42Y-160R/320R type are used for the equip-meant and pipeline of the quality with corrode medium what the working temperature are less than 200℃. Take for extra pressure protection devices. Flange connecting dimensions of comply with Standard of JB/T2769-92.

Closed spring loaded full bore type-high pressure safety valve brief figure of structure

Structure of Closed Spring Loaded Full Bore Type-High Pressure Safety Valve

Materials for main parts


No.
Name of part A42Y-160 A42Y-320
Materials
A42Y-160P A42Y-320P
Materials
A42Y-160R A42Y-320R
Materials
1 Flange 35/35CrMoA 2Cr13 1Cr18Ni12Mo2Ti
2 Nozzle 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
3 Body 40 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
4 Adjusting ring 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
5 Disc 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
6 Disc holder 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
7 Guide sleeve 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
8 Bonnet ZG230-450 ZG230-450 ZG230-450
9 Stem 2Cr13 1Cr18Ni9Ti 1Cr18Ni9Ti
10 Spring 50CrVA Coated Teflon Coated Teflon
11 Adjusting bolt 45 2Cr13 2Cr13
12 Cap ZG200-400 ZG200-400 ZG200-400
  Sealing surface of material Depositing satellite

Closed spring loaded full bore type-high pressure safety valve dimensions (mm)


Type
DN do d M K D Z-∮d b d1 M1 K1 D1 Z-∮d 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 40 180 180 495
50 25 59 M64×3 115 165 6-26 32 80 M100×3 170 225 6-33 50 165 165 400
  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 M64×3 115 165 6-26 32 65 M80×3 145 200 6-29 40 180 180 495
50 25 70 M80×3 145 200 6-29 40 80 M100×3 170 225 6-33 50 165 165 400
A42Y-400 32 15 41 M48×2 95 135 4-22 25 50 M64×3 115 165 6-26 32 150 150 397

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