VVF53.50-40/VVF53.65-63西门子法兰连接电动两通调节阀
VVF53.50-40/VVF53.65-63 西门子 法兰连接电动两通阀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:50
kvs:40 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:500 kPa
Material, valve body:Nodular cast iron EN-GJS-400-18-LT
Material, inside set:Stainless steel
PN class:PN 25 , PN 16
Absolute pressure p1 steam:1600.00 kPa abs
SAX.. Δpmax:300 kPa
SAX.. Δps:350 kPa
SKD.. Δpmax:400 kPa
SKD.. Δps:450 kPa
SKB.. Δpmax:1150 kPa
SKB.. Δps:1200 kPa
SKD.. Δpmax steam:600 kPa
SKD.. Δps steam:2500 kPa
SKB.. Δpmax steam:1200 kPa
SKB.. Δps steam:2500 kPa
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