西门子原装VVF53.125-250/VVF53.150-400二通法兰调节阀
西门子原装 VVF53.125-250/VVF53.150-400 二通法兰调节阀Operating pressure 05:16 bar abs
Sealing gland05:FEPM O-ring, silicone-free grease
Temperature05:≤ 220 °C
Stroke:To DN 50: 20 mm, From DN 65: 40 mm
Leakage rate:0...0.01 % of kvs value
DN:125
kvs:250 m³/h
Medium temperature:-20…220 °C
Valve characteristic:Equal percentage , kvs 250/400 linear
Rangeability:DN 15, kvs ≤ 1,25 m³/h: >50 , DN 15...150: >100
Permissible operating pressure:2500 kPa
Material, valve body:Nodular cast iron EN-GJS-400-18-LT
Material, inside set:Stainless steel
PN class:PN 25
Absolute pressure p1 steam:1600.00 kPa abs
SKC.. Δpmax:160 kPa
SKC.. Δps:175 kPa
SKC.. Δpmax steam:300 kPa
SKC.. Δps steam:2500 kPa
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