DR 7521 RTK
Pressure reduction controller

production of discontinued

DR 7521 RTK Pressure reduction controller
calculation and selection
87 % - model rating
Drawing DR 7521 RTK Pressure reduction controller Design DR 7521 RTK Pressure reduction controller
Installation and operation instruction
Техническое описание
Model
DR 7521
Manufacturer
RTK
Country
Germany
Allowable working fluids
Water | Steam | Compressed air
Function
maintains a set pressure at the point of connection of the impulse line
Action
closes when the pressure increases
Working position
normally open
PN
40 / 25 / 16
Tmax (for water)
130 °C
Tmin (for water)
2 °C
Connection type
flanged
Body material
cast iron / steel
Kvs m³/h
dP= 0.0 kPa

technical
specifications
price

DN
mm 		Kvs
m³/h 		L
mm 		dP
bar 		price
15 3.30 130 0.050 - 0.40
0.10 - 0.90
0.18 - 1.50
0.34 - 2.00
0.60 - 3.00
0.80 - 4.70
1.50 - 8.60
3.00 - 14
 production of discontinued
20 6.00 150 0.050 - 0.40
0.10 - 0.90
0.18 - 1.50
0.34 - 2.00
0.60 - 3.00
0.80 - 4.70
1.50 - 8.60
3.00 - 14
 production of discontinued
25 9.20 160 0.050 - 0.40
0.10 - 0.90
0.18 - 1.50
0.34 - 2.00
0.60 - 3.00
0.80 - 4.70
1.50 - 8.60
3.00 - 14
 production of discontinued
32 15 180 0.10 - 0.30
0.20 - 0.80
0.34 - 1.30
0.70 - 1.80
1.20 - 3.00
1.50 - 3.60
2.70 - 6.60
5.40 - 11
 production of discontinued
40 24 200 0.10 - 0.30
0.20 - 0.80
0.34 - 1.30
0.70 - 1.80
1.20 - 3.00
1.50 - 3.60
2.70 - 6.60
5.40 - 11
 production of discontinued
50 37 230 0.10 - 0.30
0.20 - 0.80
0.34 - 1.30
0.70 - 1.80
1.20 - 3.00
1.50 - 3.60
2.70 - 6.60
5.40 - 11
 production of discontinued
65 42 290 0.10 - 0.30
0.20 - 0.80
0.34 - 1.30
0.70 - 1.80
1.20 - 3.00
1.50 - 3.60
2.70 - 6.60
5.40 - 11
 production of discontinued
80 44 310 0.10 - 0.30
0.20 - 0.80
0.34 - 1.30
0.70 - 1.80
1.20 - 3.00
1.50 - 3.60
2.70 - 6.60
5.40 - 11
 production of discontinued

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

where to notify about the reply. not published anywhere
Kvs
Flow coefficient
m³/h
Setting pressure
bar
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