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Pneumatic regulating valves
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ZMAS ZMBS Pneumatic Diaphragm Angle(Single-stage、Multi-stage) Control Valve

ZMAS ZMBS Pneumatic Diaphragm Angle(Single-stage、Multi-stage) Control Valve is equipped with pneumatic Actuator。 It is widely used to control the pressure and flux of liquid medium (including gases, liquid, steam and other media). Its body is adopted high-temperature and high pressure of the shell material. What is more, many ports in the body are fire-resistant, anticorrosion. It can minimize noise by Single-stage (Multi-stage) Control. It also has the advantages of compact structure, lightweight, low noise, large allowable pressure differential, easy disassembly and so on.
Detail
Main technical parameters
Body size (mm)
 
Single-stage
15，20，25，32，40，50，65，80，100，125
Multi-stage
15，20，25，32，40，50，65，80
Nominal pressure MPa
16.0 22.0（25.0） 32.0（JB2766-92）42.0
Nominal pressure（Lb）
CLASS   600   900   1500   2500
Working temperature℃
-40—550
Flow characteristic
liner，percentage
Connection type
welded type：（ JB2769-92 screwed flange）
flange-type：According to customer’ need
Bonnet type
Normal temperature type
（-40—250℃）
Heat radiating type（250—550℃）
Seat leakage
GB/T4213-92
Single-stage
Class Ⅵ(single seat) class Ⅳ(cage type)
Multi-stage
Class Ⅳ
air supply of Actuator（MPa）
Air-to-open
0.25   0.30
Air-to-close
0.14   0.25    0.30

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