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VVF53.65-63

2-port seat valve, flanged, PN25, DN65, kvs 63

Stock no. S55208-V129

Stock no. S55208-V129

  • 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

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

DN

65

kvs

63 m³/h

Medium

Water, Water with anti-freeze

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

2500 kPa

Material, valve body

Nodular cast iron EN-GJS-400-18-LT

Material, inside set

Stainless steel

PN class

PN 25

Absolute pressure p1 steam

1600 kPa abs

SKC.. Δpmax

650 kPa

SKC.. Δps

700 kPa

SKC.. Δpmax steam

1000 kPa

SKC.. Δps steam

2500 kPa