Verified Company
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1. Overview
High differential pressure regulating valve is one of the key corollary equipment for the high pressure engineering of large power station and petrochemical processing. This anti-cavitation high differential pressure regulating valve is a new generation of special regulating valve produced to meet the urgent need of various generating units in the power plant, especially the large thermal power plant of the 300/600MW scale and petrochemical plants
2. Applications
The product mainly applies to the high pressure control system for thermal power boiler and petrochemical processing and can be used as,
Main water supply regulating valve.
Feed water bypass regulating valve.
Water recycling regulating valve.
Desuperheating water regulating valve.
Condensation water recycling regulating valve.
Boiler’s continuous blowdown regulating valve.
High pressure heater regulating valve.
High differential pressure regulating valve for ammonia, urea synthesis
3. Main technical parameters
Inside nominal diameter mm
20
25
32
40
50
65
80
100
150
(175)
250
(225)
Nominal pressure MPa
25, 32
25
working temperature℃
250, 400
Inherent discharge characteristics
Straight line
approximate percentage
Rated discharge
Coefficient Kv
Half capacity
1.25
2.5
5
6
10
15
20
50
100
Full capacity
2.5
5
10
12
20
30
40
100
200
Rated stroke mm
25
40
60
100
Control signal
Electricity
0～10mA d.c., 4～20mA d.c.
Gas
20～100KPa, pressure of gas supply 0.4MPa