Jordan Valve Mark 17X Series Flameproof Smart Positioner - Manual (Page 6)

C
onneCtIons
Supply:
Supply pressure should be clean, dry air. Avoid moisture, oil and dust. It is recommended that a filter regulator be
used as part of a complete installation to ensure proper operation and durability.
Supply Pressure Conditions:
- Dry air of at least 10 o C lower than ambient temperature.
- The Mark 17X internal filter is capable of 5 micron or larger, always use a filer regulator to ensure clean air
is being supplied to the positioner.
- Avoid oil.
- Supply pressure range is 20psig – 100psig.
- Set air filter regulator pressure level 10% higher than actuators spring range pressure.
- Comply with ANSI/ISA-57.3 1975(R1981) or ISA S7.3-1975(R1981)
Piping Conditions:
- Ensure all piping is clean and free of obstructions.
- Do not use piping that is squeezed or restricted, or shows any type of damage.
- Minimum piping inside diameter should be at least 6mm (.25”) to maintain proper flow rate.
- Avoid excessively long runs of piping. Flow rates may be affected due to friction inside the piping.
Connection: Single Acting Actuator,
Single acting type positioner is set to the OUT1 port. Supply pressure port rom the actuator should be connected to
the OUT1 port when using single acting type, spring return actuation.
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