VXF42.25-6.3C 三通调节阀 Siemens西门子

Stroke:to DN80: 20 mm, from DN100: 40 mm
Leakage rate:0…0.02% of the kvs value
Leakage rate bypass:0.5...2 % of the kvs-value
DN:25
kvs:6.3 m³/h
Medium temperature:-10...150 °C
Valve characteristic:Through-port: equal percentage , Through-port: kvs 250/400 linear , Bypass: linear:Rangeability
DN 15...25: >50 , DN 32..150: >100
Permissible operating pressure:1600 kPa
Material, valve body:Cast iron EN-GJL-250
Material, inside set:≤ DN32: CrNi steel / brass , ≥ DN25: CrNi steel / CrNi steel
PN class:PN 16
SAX.. Δpmax:400 kPa
SKD.. Δpmax:400 kPa
SKB.. Δpmax:400 kPa