Handling instructions and Precautions (FRZB Filter Regulators)
NO type
NC type
When unpressurized, the liquid
outlet opens and the liquid drains
naturally.
When unpressurized, the liquid
outlet closes and the liquid
cannot drain.
Caution: The liquid does not drain
when unpressurized,
if there is a lot of liquid
even in an unpressurized
(low pressure) condition,
it may be necessary to
drain the liquid by hand.
Air and liquid will be discharged
from the liquid outlet until the
pressure exceeds the minimum
operating pressure (22 psi). The
air and liquid will stop after stored
pressure exceeds the minimum
operating pressure.
Caution: A compressor with a
small output may not
reach full pressure, and
there may be exhaust
air until the minimum
operating pressure is
exceeded.
In the same way, when
unpressurized, the liquid outlet
closes and the liquid cannot drain.
When the level of liquid in the
bowl reaches a specified level,
the float lif ts and the liquid
automatically drains.
Caution: The liquid can be drained
manually by turning the
drain knob to the left. See
page
for details.
When the level of liquid in the bowl
reaches a specified level, the float
lifts and the liquid automatically
drains.
Note 1: Supply pressure is needed
to operate the auto drain.
A minimum of 22 psi is
needed for the supply
pressure.
2: The liquid can be drained
manually by turning the
drain knob to the left. See
page
for details.
When the liquid drains, the
float lowers and the liquid outlet
closes, and the liquid stops
draining.
When the liquid drains, the
float lowers and the liquid outlet
closes, and the liquid stops
draining.
Float
Float
Bowl
Bowl
Drain knob
Drain knob
Type
State
●
Explanation of operation of auto drain system
Open
Open
Closed
Closed
Open
Closed
Closed
Not pressur
iz
ed
Dr
aining the liquid completed
Dr
aining the liquid
Pressur
iz
ed
Closed
