GENERAL:
Flushing:
Water must always be suitable treated, clean
and free of debris (according to VDI 2035 re-
commendation).
In case of an insert-based valve, system is re-
commended to be flushed before the insert is in-
stalled in the valve body. A suitable flushing cap
is available. In case of a one-unit-valve, system
is recommended to be flushed before the valve
is installed. If not possible, flush the system at
maximum flow setting equal to fully open valve.
Ensure that the valve is not in the fully closed
position when filling the system with water.
It is recommended that a strainer be installed
prior to the valve body to prevent damage or
blockage due to debris.
Installation:
INSTALL THE VALVE HOUSING WITH THE
FLOW DIRECTIONAL ARROW POINTING IN
THE CORRECT DIRECTION. Valves must be
installed avoiding unnecessary pull or twist in
the valve housing.
Thread Sealing:
For threaded connections please clear threads
on both valve and piping of debris. FlowCon re-
commends thread sealant (Permabond A1044
or equivalent). When using Teflon tape, FlowCon
recommends 4-6 rounds of tape applied tightly
in clockwise rotation. WHEN USING HEMP AS
PIPE SEALANT, ENSURE NO
STRANDS ARE
LEFT IN THE VALVE OR PIPING.
For threaded connections including sealing O-
ring or sealing gasket additional sealing is not
required. Please make sure the O-ring / gasket
is properly placed. After finger tightening O-ring
sealing requires 2-5 Nm torque.
EuroCone fittings will seal with FlowCon UniQ
®
and FlowCon Mini By-Pass without additional
sealing.
O-rings:
Any O-ring (on valve, insert or accessory) is
re-commended to be greased with silicone oil
before installation.
IMPORTANT:
Never use mine-
ral oil or petrol-based grease or oil on the O-
rings.
Pressure:
It is recommended to make some type of over-
pressure limitation to avoid the inlet pressure
never exceeds the maximum operating pres
-
sure. The valves shall be inspected for damage
after any overpressure condition.
WARRANTY:
Following recommendations will prolong valve
life and give better functionality.
Failure to abide by all recommendations as per
this General Instruction will void warranty.
Warranty is voided using other actuators than
supplied or recommended by FlowCon Interna
-
tional.
For any supplementary warranty obligations, plea-
se see the relevant product specific installation
and operation instruction.
FlowCon General Instruction
FlowCon General Instruction
1B95011 - 01/2019
Latest release of any FlowCon material is available on www.owcon.com
Page 1 of 4
FlowCon International assumes no responsibility for mistakes, if any, in any printed material.
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