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221 Zetkama - Balancing valve

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Model
221
Manufacturer
Country
Poland
Allowable working fluids
Water
Connection type
internal thread
Tmax (for water)
130 °C
Tmin (for water)
-10 °C
Flow characteristic
-
Setting lock
provided
Pressure measurement nipples
provided
Drainage
provided
Kvs m³/h
dP= 0.0 kPa

technical
specifications
price

DN
mm 		Kvs
m³/h 		l
mm 		m
kg 		PN
bar 		price
15 2.80 88 0.55 25 add your price
20 5.33 96 0.62 25 add your price
25 9.72 100 0.75 25 add your price
32 20 118 1.19 25 add your price
40 30 127 1.45 25 add your price
50 55 145 2.06 25 add your price

DN - nominal diameter, mm.

m - mass, kg.

L - length along pipeline axis, mm.

PN - nominal pressure, bar.

Kvs - flow coefficient, corresponds to water flow rate in m³/h at which pressure loss on pipeline fittings equals 1 bar.

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Kvs
Flow coefficient
m³/h
PN
Nominal pressure PN
bar
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