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Stainless steel safety valve A42Y-16/25/40P

Features

Features: Suitable for gas or liquid ammonia storage tank or pipeline, when the medium pressure in the pipeline rises to the setting pressure value, the valve automatically opens, releases the pressure, and protects the safe operation of the equipment.

Technical Parameters


Technical parameter:


 

Nominal pressure Mpa 1.6 2.5 4.0
Shell test pressure Mpa 2.4 3.75 6.0
Seal test pressure Mpa 1.76 2.75 4.4
Setting pressure Mpa User identification
Applicable temperature ≤200℃
Applicable medium Ammonia, liquid ammonia, vinyl chloride, carbon dioxide, etc
Inspection standard GB/T9113-2000

Main parts material:

 

Valve body Valve stem Valve clack Valve seat spring Backflush disc
ZGO18CrNI9 20Cr13 20Cr13 ZGO18CrNI9 50CrVA ZG20Cr13

Stainless steel safety valve A42Y-16/25/40P     Nominal pressure PN2.5Mpa Overall dimensions and connection dimensions

 

DN L L1 D D1 D2 D0 b f Z-φd DN’ D’ D1’ D2’ b’ f’ Z-φd’ H’
40 120 11 150 110 84 25 18 2 4-φ18 50 165 125 99 20 2 4-φ18 279
50 135 120 165 125 99 32 20 2 4-φ18 65 185 145 118 20 2 4-φ18 306
80 170 135 200 160 132 50 24 2 8-φ18 100 220 180 156 22 2 8-φ18 429
100 205 160 235 190 156 65 24 2 8-φ22 125 250 210 184 22 2 8-φ18 530
150 250 210 300 250 211 100 28 2 8-φ26 200 340 295 266 24 2 12-φ22 730
200 305 260 350 310 274 125 30 2 12-φ26 250 405 355 319 28 2 12-φ26 883

Stainless steel safety valve A42Y-16/25/40P     Nominal pressure PN2.5、4.0Mpa Overall dimensions and connection dimensions

 

DN L L1 D D1 D2 D0 b f Z-φd DN’ D’ D1’ D2’ b’ f’ Z-φd’ H’
40 120 11 150 110 84 25 18 2 4-φ18 50 165 125 99 20 2 4-φ18 279
50 135 120 165 125 99 32 20 2 4-φ18 65 185 145 118 22 2 8-φ18 306
80 170 135 200 160 132 50 24 2 8-φ18 100 235 190 156 24 2 8-φ22 429
100 205 160 235 190 156 65 24 2 8-φ22 125 270 220 184 26 2 8-φ26 530
150 250 210 300 250 211 100 28 2 8-φ26 200 360 310 274 30 2 12-φ26 730
200 305 260 375 330 284 125 34 2 12-φ30 250 425 370 330 32 2 12-φ30 883