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VVF, VXF |
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- With flanged connections to ISO 7005
- For cooling, chilled, low and high temperature water, brine, heat transfer oils, saturated and superheated steam in open and closed circuits
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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. |
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Stroke |
To DN 50: 20 mm, From DN 65: 40 mm |
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Leakage rate |
0...0.01 % of kvs value |
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DN |
15 |
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kvs |
4 m³/h |
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Medium |
Water , Water with anti-freeze |
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Medium temperature |
-20…220 °C |
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Valve characteristic |
Equal percentage , kvs 250/400 linear |
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Rangeability |
DN 15, kvs ≤ 1,25 m³/h: >50 , DN 15...150: >100 |
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Permissible operating pressure |
2500 kPa |
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Material, valve body |
Nodular cast iron EN-GJS-400-18-LT |
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Material, inside set |
Stainless steel |
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PN class |
PN 16 , PN 25 |
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Absolute pressure p1 steam |
1600.00 kPa abs |
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SAX.. Δpmax |
1200 kPa |
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SAX.. Δps |
2500 kPa |
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SAX..Y Δpmax |
1200 kPa |
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SAX..Y Δps |
2200 kPa |
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SKD.. Δpmax |
1200 kPa |
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SKD.. Δps |
2500 kPa |
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SKB.. Δpmax |
1200 kPa |
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SKB.. Δps |
2500 kPa |
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작성일 : 17-11-10 13:34
조회 : 7,557
