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
Technical data:
| Mounting: | | in any position, possibly vertical |
| Flow direction: | | fixed |
| Operating medium: | | observe the constancy of material |
| Operating temperature: | | max. 80º C (higher on request) |
| Control medium: | | max. 60º C |
| 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"
|
| Connection "L": | | Connection for leakage has been fitted by a screwed sealing plug R 1/4" |
Filling volume actuator:
| DN |
8 |
15/20 |
25/32 |
40/50 |
| Coarse Nl |
0,02 |
0,04 |
0,07 |
0,20 |
| Fine Nl |
0,005 - 0,02 |
0,01 - 0,04 |
0,02 - 0,07 |
0,03 - 0,20 |
Switching actuations:
1.800/h (viscosity dependent)
Index size
Nominal diameter mm
double seat |
DN
mm |
Connection |
Operating
pressure
BAR |
Control
pressure
BAR |
Kv-value
m3/h |
Weight
kg |
8/ 2
15/ 3
20/ 3
25/ 8
32/ 8
40/15
50/15
|
8
15
20
25
32
40
50 |
G3/8"
G3/4"
G3/4"
G1 1/4"
G1 1/4"
G2"
G2" |
0 - 6
0 - 6
0 - 6
0 - 6
0 - 6
0 - 6
0 - 6 |
5 - 10
5 - 10
5 - 10
5 - 10
5 - 10
5 - 10
5 - 10 |
1,2
7
11
15
22
48
60 |
1,3
4,5
5,0
6,5
7,0
12,0
12,5 |
Advantages
 | 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 |
|
large view |
These dosing valves are also avaiable in 1-step versions!
|