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Pneumatic regulating valves
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ZXT Pneumatic Diaphragm Control Valve

Its diaphragm is sealed in the "mountain" shape-protruding surface of valve body. Besides, there is no stuffing in the valve body. It also has the advantages of simple and smooth flow channel, antiseptic. It is suitable for the occasions, which is toxic and corrosive.
Detail
Main technical parameters
Body size （mm）
20
25
32
40
50
65
80
100
125
150
200
Rated flow coefficient (Kv)
No lining
9.8
19
32
48
63
108
158
270
360
518
1114
Lining
7.8
17
28
41
55
87
127
240
311
415
1121
Rated Travel (mm)
8
10
12
16
24
30
34
36
44
55
65
Diaphragm area (cm2)
280
400
600
1000
Piston diameter (mm)
100
125
160
250
Nominal pressure (MPa)
0.6    1.0
Flow characteristic
Approximately percentage
Working temperature (℃)
≤150
Spring range (KPa)
20～100、40～200、400～600
Seat leakage
Leakage is zero Within the allowed pressure differential or VI

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,
Flange connection type
Flange standard, Flange interval
Air supply, Air-to-open or air-to-close
Material of Body and seat
Accessory:
Pneumatic retaining, Positioner, Limit switches, Solenoid valve, Redactor, Handwheel,
Other especial demands
Other