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Pressure relief valve

key word:Heat exchange element


Product description

Pressure relief valve

 

1. Introduction

The pressure relief valve is an automatic device to prevent the pressure rise in the equipment from exceeding the allowable value and ensure the safe operation of the equipment. It is also a special pressure relief valve for water test of high pressure heater.

 

2. Main technical parameters (see table 50-1)

Table 50-1 main technical parameters of relief valve

Item Parameter
Nominal (working) pressure rangeMPa PN1.6-PN48
Operating temperature range(℃) 450 (842F)
Nominal size range (mm) DN20-DN80(3/4-3in)
Connection mode Flange or welding
Valve body material WCB, WCC, C12A, WC9, WC6, ZG20CrMoV, CF8, 25, SA105, 12Cr1Mo1V, F91, F22, F304, F316, F21