Shandong China Coal Industry&Mining Supplies Group
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Differential pressure combined valve type parameter
Model: V230D01D03 (hard seal) V231D01D03 (soft seal)
Nominal diameterDN 15 20 25 32 40 50 65 80 100 125 150
The rated flow coefficient Kvs 46.381620325080 125160280
Noise measure coefficient Z value 0.6 0.6 0.6 0.55 0.55 0.5 0.5 0.450.4 0.35 0.3
Nominal pressure (MPa) 1.6; 4
The maximum operating temperature (c) liquid gas ≤ 80 ≤ 140;
Seal with the isolation tank ≤ 200 isolation tank extensions ≤ 300
With the isolation tank and fin ≤ 300
Pressure balanced corrugated pipe rolling diaphragm element
ANSI JIS DIN GB JB flange standard (special according to usersupplied)
Body material of cast iron; cast steel; cast stainless steel
Valve material of stainless steel, soft sealing rubber ring stainless steel mosaic
Nominal pressure maximum working pressure (△ Pmx and therelationship between work pressure and temperature)