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Model
RD 122 D
Manufacturer
LDM
Country
Czechia
Allowable working fluids
Water | Steam | Compressed air
Function
maintains the set pressure drop
Action
closes when the pressure differential increases
Working position
normally open
PN
25
Tmax (for water)
150 °C
Tmin (for water)
2 °C
Connection type
thread / flanged
Body material
cast iron
Kvs m³/h
dP= 0.0 kPa

technical
specifications
price

DN
mm 		Kvs
m³/h 		L
mm 		dP
bar 		price
15 5.00 146 0.15 - 0.60
0.30 - 2.10
0.60 - 4.00
1.5 - 5.5
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20 8.00 149 0.15 - 0.60
0.30 - 2.10
0.60 - 4.00
1.5 - 5.5
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25 10 160 0.15 - 0.60
0.30 - 2.10
0.60 - 4.00
1.5 - 5.5
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32 15 193 0.15 - 0.60
0.25 - 0.70
0.40 - 2.20
0.70 - 4.10
1.5 - 5.5
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40 21 207 0.15 - 0.60
0.25 - 0.70
0.40 - 2.20
0.70 - 4.10
1.5 - 5.5
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50 32 233 0.15 - 0.60
0.25 - 0.70
0.40 - 2.20
0.70 - 4.10
1.5 - 5.5
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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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