Siemens VVF53.40-25 | 2-port seat valve -Van gối 2 cổng flanged PN25 DN40 kvs 25

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Van gối 2 cổng Siemens VVF53.40-25 | 2-port seat valve

(flanged PN25 DN40 kvs 25)

Technical Specifications
Stroke: To DN 50: 20 mm, From DN 65: 40 mm
Leakage rate: 0...0.01 % of k_vs value
DN: 40
k_vs: 25 m³/h
Medium temperature: -20…220 °C
Valve characteristic: Equal percentage , k_vs 250/400 linear
Rangeability: DN 15, k_vs ≤ 1,25 m³/h: >50 , DN 15...150: >100
Permissible operating pressure: 2500 kPa
Material, valve body: Cast iron EN-GJL-250
Material, inside set: Stainless steel
PN class: PN 25 , PN 16
Absolute pressure p1 steam: 1600 kPa abs
SAX..: 500 kPa
Δp_max
SAX..: 550 kPa
Δp_s
SAV..: 1150 kPa
Δp_max
SAV..: 1250 kPa
Δp_s
SKD..: 650 kPa
Δp_max
SKD..: 750 kPa
Δp_s
SKB..: 1200 kPa
Δp_max
SKB..: 2000 kPa
Δp_s
SKD.. Δp_max steam: 1000 kPa
SKD.. Δp_s steam: 2500 kPa
SKB.. Δp_max steam: 1200 kPa
SKB.. Δp_s steam: 2500 kPa
 

- Xem chi tiết Tài liệu kỹ thuật/ Datasheet Siemens VVF53.40-25

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