Diaphragm Valve Type 485 Print E-mail
 pneumatically operated
DN 15 - 100 mm (1/2" - 4")
plastic actuator
 

Attributes

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

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

Optional

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

 Features
Control function (Cf.):   Pneumatically operated
Normally open: Cf. 1
 
Direction
Control connection:
  At Cf. 2   90° to flow direction  
Max. working pressure:
  Unidirectional (delta p = 100%)
EPDM, FPM, NBR diaphragm 10 bar
EPDM, FPM, NBR diaphragm  DN 15-50    10 bar
                                          DN 65-100    7 bar
PTFE diaphragm                   DN 15-50    8 bar
                                          DN 65-100    6 bar
 
Max. working temperature:   150°C, the max. working temperature depends on the working pressure and the valve body material  
Control pressure:   Cf. 1 max. 6 bar  
Diaphragm material
and size:
  EPDM, PTFE/EPDM, NBR or FPM
MA 25, 40, 50, 80, 100
 
Valve body material:   PVC-U
PP
PVDF
PVC-C
 
End connection:   Threaded fitting, insert DIN welding socket
Plain spigots DIN
Flange EN1092/ PN10/ form B, length EN 558-1; series 1
Flange ANSU Class 125/150 RF, length EN 558-1; series 1
 
       
Additional Information: PDF Download Mounting Instructions   
       
  PDF Download Ordering Key  
       
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