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