VVF42.150-400C西门子二通调节阀

VVF42.150-400C 西门子二通调节阀
Stroke:to DN80: 20 mm, from DN100: 40 mm
Leakage rate:0…0.02% of the kvs value
DN:150
kvs:400 m³/h
Medium temperature:-10…150 °C
Valve characteristic:Equal percentage , kvs 250/400 linear
Rangeability:DN25: >50 , DN 32...150: >100
Permissible operating pressure:1600 kPa
Material, valve body:Cast iron EN-GJS-400-18LT
Material, inside set:≤ DN32: CrNi steel / brass , ≥ DN25: CrNi steel / CrNi steel
PN class:PN 16
SKC.. Δpmax:100 kPa
SKC.. Δps:125 kPa