4500 Series Pressure Switches

4500 Presure Switches

4500 Series
Pressure Switches

General Description

Pressure Switches (Air)
A compact fully adjustable pneumatically operated 316 Stainless Steel or Brass pressure switch with operating pressures up to 16 bar (232 psi). For use on fail safe systems.

Compact / Lightweight.
5 pressure ratings.
Integrated tagging facility.
Fluoroelastomer seals.
3/2 and 5/2 versions.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases.
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Ports • 1/4" NPT (BSP option available) • 1/8" NPT Pilot port	Maximum pilot pressure inlet • 16 bar (232 psi)
Cv (Kv) • 3/2 valves 0.5 (7.5) • 5/2 valves 0.7 (10.5) Pressure setting hysteresis • 0.25 bar (3.63 psi)	Regulated pressure (adjustable) For main directional valve • 1.0 to 2.0 bar (14.5 to 29 psi) • 1.0 to 4.0 bar (14.5 to 58 psi) • 1.0 to 7.0 bar (14.5 to 102 psi) • 1.0 to 10 bar (14.5 to 145 psi) • 1.0 to 16 bar (14.5 to 232 psi)
Working pressure (gases & liquids) For main directional valve • 12 bar (174 psi)	Maximum flow at 6 bar (87 psi), 1 bar (14.5 psi) differential • 3/2 valves - 480 L/min (17 SCFM) • 5/2 valves - 680 L/min (24 SCFM)
Working temperature • -20ºC to +80ºC (-4ºF to +176ºF)
(Note 16bar regulated pressure must be fed from independent supply to main directional valve)

Construction Materials

Body & Spool • Stainless steel AISI 316L to NACE MR-0175	Seals & Diaphragm • Fluoroelastomer
Springs • 316 Stainless steel

Additional Resources

CAD Downloads

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