Type 903

2/2 way-bottom drain valve - opening into the valve

  • DN 50/32 - 200/150 mm
  • Control function: normally closed
  • Made of stainless steel
  • For block flanges DIN 28140
Technical data
Mounting: in any position, possibly vertical
Flow direction: fixed
Operating medium: observe the constancy of material
Operating temperature: max. 80° C (higher on request)
Surrounding temperature max. 60° C
Control medium: Compressed air (filtered, oiled recommend)
Switching actuations: 1.800/h  (viscosity dependent)
Heating jacket connection: G 1/2"
Heating medium: all neutral media
Heating pressure: max. 5 bar
Heating temperature: max. 150° C
Control connection: 'Z' = G 1/4"
Filling volume actuator:
DN (mm) 90 120 200
NI 0,26 0,625 2,5
Index size
Nominal diameter
(mm)
double seat
Connection Operating pressure
(bar)
Control pressure
(bar)
Kv-value
(m³/h)
Actuator
(mm)
50/32 G 1 1/4" 0 - 3 5 - 10 21,4 90
80/50 G 2" 0 - 2 5 - 10 48,8 90
80/65 G 2 1/2" 0 - 2 5 - 10 58,0 90
100/80 G 3" 0 - 2 5 - 10 89,0 120
150/100 G 4" 0 - 3 4 - 7 135,0 200
200/125 G 5" 0 - 3 4 - 7 159,0 200
200/150 G 6" 0 - 2 4 - 7 196,0 200
Advantages
  • serveral kinds of connection
  • serveral kinds of material
  • good kv-values
  • maintenance-free
  • service pleasant
  • heatable
  • infinitely coarse adjustment from the outside (optional)
Type 903 - 2/2 way-bottom drain valve - opening into the valve
Type 903 - 2/2 way-bottom drain valve - opening into the valve