VXF53.20-6.3
3-port seat valve, flanged, PN25, DN25, kvs 6.3
Stock no. S55208-V144
With flanged connections to ISO 7005
For cooling, chilled, low and high temperature water, brine, heat transfer oils in open and closed circuits
Additional info
When using valves of the V..F43.., V..F53.. lines with a stem heating element and a medium temperature of below -5 °C, the stem sealing gland must be replaced.
Attribute | Value |
|---|
Stroke | To DN 50: 20, From DN 65: 40 mm |
Leakage rate | 0...0.01 % of kvs value |
Leakage rate bypass | 0.5...2 % of kvs value;SAX…: 0.05 % of kvs value |
DN | 20 |
kvs | 6.3 m³/h |
Medium | Water, Water with anti-freeze |
Medium temperature | -20…220 °C |
Valve characteristic | Through-port: equal percentage, Through-port: kvs 250/400 linear, Bypass: linear |
Rangeability | >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 16, PN 25 |
SAX.. Δpmax | 1200 kPa |
SAX..Y Δpmax | 1200 kPa |
SKD.. Δpmax | 1200 kPa |
SKB.. Δpmax | 1200 kPa |