Above-level dosing valve Type 109

2/2-way- 2-step coaxial-dosing valve "coarse-fine"

  • DN 8 - 50 mm
  • without glandless (bellow type)
  • Control function: normally closed
  • Made of stainless steel

These dosing valves are also available in 1-step version!

Mounting: in any position, possibly vertical
Flow direction: fixed
Operating medium: observe the constancy of material
Operating temperature: max. 80° C (higher on request)
Control medium: max. 60° C
Connection "L": Connection for leakage has been fitted by
a screwed sealing plug R 1/4"
Switching actuations: 1.800/h (viscosity dependent)
Control connection: Compressed air (filtered, oiled recommend)
coarse "Z" = G 1/4", DN 8 = G 1/8"
fine "Y" = G 1/4", DN 8 = G 1/8"
DN (mm) 8 15/20 25/32 40/50
Coarse NI 0,02 0,04 0,07 0,10
Fine NI 0,005 - 0,02 0,01 - 0,04 0,02 - 0,07 0,03 - 0,10
Nominal diameter
(mm) double seat
DN
(mm)
Connection Operating
pressure
(bar)
Control
pressure
(bar)
Kv Value
(m³/h)
Weight
(kg)
8/2 8 G 3/8" 0 - 6 6 - 10 1,2 1,3
15/3 15 G 3/4" 0 - 6 5 - 10 7 4,5
20/5 20 G 3/4" 0 - 6 5 - 10 11 5,0
25/8 25 G 1 1/4" 0 - 6 5 - 10 15 6,5
32/8 32 G 1 1/4" 0 - 6 5 - 10 22 7,0
40/15 40 G 2" 0 - 6 5 - 10 48 12,0
50/15 50 G 2" 0 - 6 5 - 10 60 12,5
  • coaxial flow direction
  • just need a few space (rail mounting)
  • double-seat
  • several kinds of outlet
  • several kinds of material
  • good kv-values
  • maintenance-free
  • service pleasant
  • high reliability of operation
  • dosing without drops and splashes the exterior
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