4004 Herz
Auto bypass valve

4004 Herz Auto bypass valve
calculation and selection
97 % - model rating
Drawing 4004 Herz Auto bypass valve Design 4004 Herz Auto bypass valve Scheme 4004 Herz Auto bypass valve
Data sheet
EU Declaration of conformity
Техническое описание

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Model
4004
Manufacturer
Country
Austria
Allowable working fluids
Water
Function
maintains the specified pressure drop across itself
Action
opens when the pressure differential increases
Working position
normally closed
PN
10
Tmax (for water)
120 °C
Tmin (for water)
0 °C
Connection type
internal thread
Body material
brass
Kvs m³/h
dP= 0.0 kPa

technical
specifications
price

DN
mm 		Kvs
m³/h 		L
mm 		dP
bar 		price
15 2.2 70 0.050 - 0.50
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20 2.2 75 0.050 - 0.50
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DN - nominal diameter, mm.

dP - setting range, bar.

L - length along the pipeline axis, mm.

Kvs - flow capacity, corresponds to the water flow rate in m³/h at which the pressure drop across the regulator will be 1 bar.

question : comment : feedback

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Kvs
Flow coefficient
m³/h
Setting pressure
bar
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