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Safety valve A42F/Y-25/40

Features

Features: Suitable for gas or liquid ammonia storage tanks or pipelines. When the pressure of the medium in the pipeline rises to the set pressure value, the valve automatically opens to release pressure and protect 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
Overall pressure MPa User confirmed
Temperature -40℃~+80℃
Applicable Medium Ammonia, liquid ammonia, vinyl chloride, carbon dioxide, etc
Inspection standards GB/T12243-2005

Main component materials:

valve body valve stem Valve flap valve seat spring gasket
WCB 20Cr13 ZG20Cr13 ZG20Cr13 50CrVA PTFE

safety valve A42F/Y  nominal pressurePN2.5MPa External dimensions and connection dimensions

DN L L1 D D1 D2 d0 b f Z-Φd DN’ D’ D1’ D2’ B’ f’ Z-Φd’ H
40 120 110 150 110 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
200 305 260 360 310 274 125 30 2 12-Φ26 250 405 355 319 26 2 12-Φ26 883