Bronkhorst FLOW-SMS Series - Manual (Page 13)

BRONKHORST HIGH-TECH B.V.
2.13.5 Solenoid Operated shut off valves NC and NO
- Removal
Ensure that the system is depressurised before taking shut off
valve apart.
The power must be off when removing the electrical connectors.
Remove the coil by releasing the clip on top of the coil for the
normally closed, and the nut for the normally opened.
Loosen the 2 bolts with hexagon head counter clockwise to
release the valve.
-
Replacement
Replace the gaskets AS‐007 and AS‐017, Viton, EPDM
or Kalrez.
All wetted parts have to be absolutely clean, don’t use oil or
grease and avoid dust!
Replace the shut off valve and tighten the bolt with hexagon
head by turning clockwise, tighten crosswise with M3 0,9 Nm.
Replace the coil and replace the clip on top of the coil normally
closed, and the nut for the normally opened.
Replace the electrical connector.
Now the shut off valve has to be tested for leakage and function.
Solenoid
valve coil
VDR
LED
Connector
1
2 Available electric shut off valves
Model number Description
EV‐02‐NC‐V(iton) Kv=0,065 Max deltaP 3 bar
EV‐02‐NC‐E(PDM) Kv=0,065 Max deltaP 3 bar
EV‐02‐NC‐K(alrez) Kv=0,065 Max deltaP 3 bar
EV‐02‐NO‐V(iton) Kv=0,065 Max deltaP 3 bar
Hook‐ up solenoid operated valve.
Supply voltage + 24Vdc
Power consumption 3 Watt.
2.13.6 Toggle valves
- Removal
Ensure that the system is pressure less before taking
the toggle valve apart.
Loosen the 4 bolts with hexagon head counter clockwise
to release the toggle valve.
-
Replacement
Replace the gaskets AS‐007 and AS‐017, Viton,
EPDM or Kalrez.
All wetted parts have to be absolutely clean, don’t use
oil or grease and avoid dust!
Replace the toggle valve centre before tighten the bolt
with hexagon head by turning clockwise, tighten crosswise
with M3 0,9 Nm.
Now the toggle valve has to be tested for leakage and function.
Available Toggle valves
Model number Description
TV‐01‐V Kv=0,09 Toggle Valve with Viton seals
TV‐01‐E Kv=0,09 Toggle Valve with EPDM seals
TV‐01‐K Kv=0,09 Toggle Valve with Kalrez seals
9.17.057 page 13