Koganei FRZB Instruction Manual

FRZB Filter Regulator
Instruction Manual
Thank you for purchasing this Koganei product.
Before using it, be sure to read this manual and make sure you use it correctly.
Keep this manual in a safe place for future reference.
For all FRZB Filter Regulators
0.1
SUP
0.2
0.3
0.4
Design and selection
MPa
●Selection
0.4 0.6
0.2 0.8
Look at the Handling Instructions and Precautions, Specifications, Various
0
MPa 1.0
Characteristics, Dimensions, and other technical materials for each product
to make the correct decision.
OPEN
Mounting (installation) and piping
●Mounting (installation) direction, support, and securing
1. The products cannot be mounted (installed) if a bending moment or twist-
ing moment is applied to the product or piping.
Applying bending moment or twisting moment may damage
Note
the product.
0.4 0.6
0.2 0.8
0 1.0
MPa
OPEN
The muffler must be prepared by the user.
Note
(In case of NPT thread specifications)
2. Do not attach piping so that just one side is fixed as shown in the follow-
ing diagram. Support external piping separately.
Operating the knob and the moment caused by the OUT (second-
Note
ary) side pipes may damage the product's piping connections.
0.1
0.2
0.3
0.4
MPa
0.4 0.6
0.2 0.8
0 1.0
MPa
OPEN
M140802
Ver.1.1
Ver.1.1
0.1
0.2 SUP
0.3
0.4
MPa
SUP
0.1
0.2 SUP
0.3
0.4
MPa
3. Use the brackets to install the products.
4. When mounting (installing) products, always make sure they are
secured and sufficiently supported.
If a product is not securely fixed in place, it may fall over, be dropped,
Note
or operate abnormally and cause an injury.
●Maintenance space requirements
Assure there is sufficient space for maintenance inspections and mainte-
nance work.
See the dimension diagrams for each of the products regarding the mainte-
nance space.
It there is not enough allowance for maintenance space, it is
Note
impossible to remove the bowl assembly and replace the filter.
Also, it is impossible to do maintenance inspections so the equipment
may stop or the product may be damaged.
●Attaching steel pipes and fittings
If steel pipes and fittings are attached to the threaded sections of the alumi-
num die-cast parts of the product, tighten them to the torque recommended
in our standards.
Tightening with excessive torque may damage the product or injure
Note
workers or operators.

Recommended tightening torque

Connecting
M5 1/8
thread
1 to 1.5 4.5 to 6.5
Torque
[0.7 to 1.1] [3.3 to 4.8]
Use a tightening torque of 3.0 to 5.0 N•m [2.21 to 3.69 ft•lbf] if the
Note
various pressure gauges are mounted on the 1/8 or 1/4 pressure port
plate.
0.4 0.6
0.2 0.8
0
MPa 1.0
OPEN
●Preventing contamination by foreign matter
1. Remove all foreign matter, such as metal chips, cutting oil, or dirt, from
inside pipes with compressed air blow (flushing) and thorough washing
before fitting the pipes.
2. Do not allow foreign matter, such as metal chips, or sealing tape from the
piping threads, to get into the pipes when installing the pipes and fittings.
Foreign matter entering the piping may damage the product or reduce
Note
its performance and service life.
3. Wrap the sealing tape in the direction as shown in the diagram below
leaving 1.5 to 2 threads uncovered. When using liquid sealant, apply a
suitable amount and in the same way leave 1.5 to 2 threads uncovered.
Direction of
wrapping
Sealing tape
Leave 2 threads open
If the sealing tape or sealant gets on the lip of pipes or
Note
fittings, bits of it may get into the pipes and cause air leaks.
4. If you are using liquid sealant, do not get it on the polycarbonate parts
(the bowl of the filter regulator and the front cover of the pressure gauge).
If liquid sealant gets on the polycarbonate parts, it may damage them.
Note
N ・ m [ft ・ lbf]
1/4 3/8 1/2
7 to 9
12.5 to 14.5 20 to 22
[5.2 to 6.6]
[9.2 to 10.7] [14.8 to 16.2]
0.1
0.2 SUP
0.3
0.4
MPa
Liquid
sealant
Leave 2 threads open