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Self Operated Control Valve
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ZZYP-16Ⅱ Nitrogen Sealing Regulator

It doesn’t require any external energy, but use the energy of Medium to operate itself. The most important feature is that the product can be used in the working place of no electricity and no gas, while saving energy. It always takes pressure director to control the position of plug, and to change the flow of the medium flowing through the valve. So that outlet pressure (B) or input pressure (K) remains constant.
Detail
Main technical parameters
Body size（mm）
20
25
32
40
50
65
80
100
125
150
Ports size（mm）
6
15
20
25
32
40
50
65
80
100
125
150
Rated flow coefficient (Kv)
0.32
4
5
8
12.5
20
32
50
80
125
160
320
Pressure range (KPa)
0.5-100
Nominal pressure (MPa)
1.0   1.6
Working temperature (0C)
-40～80
Flow characteristic
Quick opening
Regulate error (%)
≤5
Decompression range (MPa)
1.6
1.6
1.1
0.6
0.4
Diaphragm area (Cm2)
200
280
400
Seat leakage
Metal seat ;IV (10-4×Kv) soft seat :VI (GB/T4213-92) no leakage

BUYER GUIDE
Data:
Type of valve, Valve size, Purpose
Body size, Nominal pressure
Working temperature
Input pressure, outlet pressure
Fluid name, Flux of medium, Fluid state
Bonnet type,
Material of Body and seat
Accessory:
Flange standard, Flange interval
Other especial demand
Other