Diaphragm Valve Type 987 Print E-mail
 manually operated
DN 15 - 350 mm (1/2" - 14")
metal bonnet and handwheel
 
Attributes
  • Maintenance-free actuator
  • Metal bonnet and handwheel
  • Non-rising hand wheel with optical indicator

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


Features

Control function:   Manually operated  
Max. working pressure:   10 bar
DN 65-100 diaphragm PTFE 8 bar
 
Max. working temperature:   up to 160°C dependent on application  
Diaphragm material
and size:

EPDM, PTFE/EPDM or FPM
MA 25 and bigger
 
Valve body material:   Investment cast 1.4435/316 L
Cast iron
Modular graphite casting/lined with PFA
Modular graphite casting/lined with PP
Investment cast/lined with PFA
Cast iron/rubber-lined
 
End connection:
Threaded socket DIN ISO 228
Different flanges
 
       
Additional information:  Technical Data  
       
   Mounting Instructions  
       
   Ordering Key  
       
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