Product Description



Main technical parameters

Control valve model3251
Control valve modelDN15...200
NPS1/2...8
Nominal diameter ANSI
DIN
304, 316, 304L, 316L, etc.
Valve body material
DIN
Overlaid with sellite alloy or hastelly alloy.
Nominal pressure
Nominal pressure
PN16...160(DN15...150); 16...100(DN2.0...300), maximum PN250 provided according to demand
Class150...900, up to class1500 according to demand
End connection DINRF, RTJ flange welding according to B16.25
Valve seat/valve core seal and leakage
Valve base/ valve plug seal and leakage
Metal seal: IV, high performance metal seal: V
Metal seal: IV, high performance metal seal
Grade IEC60534-4Flexible seal: VI
Flexible seal: VI
Flow characteristicsEqual percentage (%), linear ()
Rangeability30:1
Temperature range HT filler
Temperature range HT filler
-10...220°C, 14...430°F, 220...350°C, 430...660°F
Add extension, maximum
Add extension, maximum
-20...500°C, -328...932°F
Data sheetIEC534-2, ANSI B16.104, GB/T4213-92

 

CV value and stroke
 

Nominal diameter (mm)40506580100125150200
Valve base diameter (mm)253240324050405065506580658010080100120100125150125150200
RatedHigh capacity valve plug  30  50  85  125  200  310  420  700
Cv valueHigh precision valve plug101724172444244468446899689917599175275175275360275360640
Rated travel (mm)25385075

Key words:

Melt regulating valve

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