Diaphragm Valve Type 285 Print E-mail
 pneumatically operated
DN 15 - 100 mm (1/2" - 4")
plastic diaphragm valve
normally open, double acting

Attributes

  • Plastic diaphragm actuator directly mounted with the valve body
  • Compact design
  • Low weight
  • Actuator high resistance to heat transfer
  • Smooth exterior design ideal for wash downs
  • Control air connection 90° to flow direction
  • Encapsulated diaphragm

General

  • Eliminates water hammer
  • Depending on the diaphragm material, for all neutral and aggressive, gaseous and liquid media
  • The flow can be in either direction
  • Hermetic sealing
  • The valve is unaffected by contaminated media
  • Cavity free body
  • Without any corrosion

 

Options

  • Available with a wide range of control equipment and accessories, also for retrofitting

 

 Features
Control function:   Pneumatically operated
Normally open: Cf. 2
 
Direction
Control connection:
  At Cf. 2   90° to flow direction  
Max. working pressure:
  Unidirectional(delta p = 100%)
EPDM, FPM, NBR diaphragm 10 bar
PTFE/EPDM diaphragm 8 bar
Higher working pressure may be achieved with different actuator.
 
Max. working
temperature:
  150°C, the max. working temperature depends on the working pressure
and the valve body material
 
Control pressure:   Cf. max. 6 bar  
Diaphragm material
and size:
  EPDM, PTFE/EPDM, NBR or FPM
MA 25, 40, 50
 
Valve body material:
  PVC-U
PP
PVDF
PVC-C
 
End connection:
  Threaded socket, insert DIN welding socket
Plain socket DIN
Flange EN1092/ PN10/ Form B, Length EN 558-1; Series 1
Flange ANSU Class125/150 RF, Length EN 558-1; Series 1
 
       
Additional information:  PDF Download Mounting Instructions  
       
   PDF Download Ordering Key  
       
   emailButton Request for CAD-Data