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VBF21.50

3-port slipper valve, flanged, PN6, DN50, kvs 40

Stock no. BPZ:VBF21.50

Stock no. BPZ:VBF21.50

- With flanged connections to ISO 7005

- For chilled or low-temperature hot water in closed circuits

Additional info

SQK34.., SQK84..: Direct mounting

SQK33.00 requires mounting set ASK32

Attribute

Value

Angular rotation

90 °

DN

50

kvs

40 m³/h

Medium temperature

1...120 °C

Valve characteristic

Linear

Permissible operating pressure

600 kPa

Material, valve body

Cast iron EN-GJL-250

Material, inside set

< DN 100: CrNi steel/brass, > DN 125: CrNi steel/Rg5 (faulty format)

PN class

PN 6

Required mounting set

Direct
SQK33.00: ASK32

Leakage rate

DN40...100: 0...0.1 % of kvs value
DN125...150: 0...0,5 % of kvs value

SQK.. Δpmax

30 kPa

SQL33.. Δpmax

30 kPa

SQL33../83.. Δpmax

30 kPa