Series RFU - RFO
In-line Flow Control Valves - BSP/Metric
Panel or wall-mounted flow controllers,
Unidirectional (RFU) and bidirectional (RFO),
Ports M5, G1/8, G1/4,
Nominal diameter:
M5 = 1.5 mm (10-32 UNF ),
G1/8 = 2 and 3mm,
G1/4 = 4 and 6mm
The undirectional flow controllers are
equipped with M5, G1/8 and G1/4 ports, each
of which is available with two different types of
adjustment (see diagrams). They are used mainly
for controlling the speed of cylinders. They may
be mounted on control panels or cylinders, as
required. Bidirectional controllers are also available
with the same bodies, but suitably modified.
unidirectional and bidirectional controller (Meter-Out, Meter-In, Needle Orifice)
Materials
aluminium body - OT58 (brass) needle - Buna-N seals
Mounting
by through-holes in valve body or control panel
Threaded ports
M5 - G1/8 - G1/4
Installation
as required
Operating temperature
0 - 80°C (with dry air -20°C) (32°F - 175°F, with dry air necessary down to -4°F)
Lubricant
oil compatible with Buna-N (3° - 10° E)
Pneumatic Data
Operating pressure
1 - 10 bar (14.5 - 145 psi)
Nominal pressure
6 bar (87 psi)
Nominal flow
see graph
Nominal diameter (flow orifice)
M5 = 1.5 mm (10-32 UNF) - G1/8 = 2 or 3 mm (.079" or .118") - G1/4 = 4 or 6 mm (.157" or .236")
Fluid
filtered air
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