TLV SF1 Manuel D'utilisation page 7

For Longer Filter Life
Make sure to perform the following to prevent the inflow of a large amount of condensate during
start-up. (See the "Typical Piping Flow" diagram below)
1. Operate inlet valve (A) being careful not to open it quickly.
2. If the condensate accumulates when inlet valve (A) is closed, open piping blowdown valve (C)
to blow it out.
3. If a blowdown valve has not been installed, a steam trap with sufficient discharge capacity
even when the pressure differential is extremely low must be installed on the separator filter
inlet side considering the initial condensate amount.
4. The trap outlet piping should not be located close to other trap outlet piping or backflow may
occur. If other outlet piping is close by, install check valves close to each trap outlet.
5. If the trap outlet piping is raised, install a check valve close to the trap outlet to prevent
backflow of condensate when the equipment stops.
6. Trap outlet pipe end should not be under water. If it needs to be under water, install a check
valve close to the trap outlet or make a small hole in the outlet piping to prevent backflow of
water due to vacuum formation inside the piping.
Typical Piping Flow
Ahead of the inlet
valve for the SF1,
install a valve for
piping blowdown or
a steam trap with
sufficient discharge
capacity when
differential pressure
is extremely low.
Pressure
Gauge
Inlet Valve
(A)
Valve
(C)
Dirt & Scale
Collection
Piping Blowdown/
Condensate Discharge
Pressure
Gauge
Valve
Washing
Outlet Valve
Valve
(D)
Union
Trap
Valve
(E)
Dirt & Scale Blowdown
(hot/cold water,
steam or air)
(B)