DWYER USA AVS Adjustable Pressure Switch, Color : Black

series aps/avs adjustable pressure switch

vacuum and pressure ranges, 5 a switch, compact size

miniature series aps/avs adjustable switches offer reliable switching for pressure/vacuum alarm, shutdown or control. The units are readily adjustable throughout their range using the locking adjusting ring and indicating pointer. The body is constructed of stainless steel for durability in harsh environments. Switches include 12" (30 cm) wire leads sealed with epoxy for additional protection.

product applications

• oemcompressors
• motor control
• process equipment
• pump control

            model    description

• aps-150adjustable pressure switch, set point range 0.8-28.5 psi (.06-2.0 bar) increasing, 1.6-30.0 psi (.11-2.1 bar) decreasing, ±0.6 psi (.04 bar) repeatability, 0.8-1.3 psi (.06-.09 bar) deadband.
• aps-250adjustable pressure switch, set point range 2.0-48.0 psi (.14-3.3 bar) increasing, 3.0-50.0 psi (.21-3.5 bar) decreasing, ±1.0 psi (0.7 bar) repeatability, 1-1.7 psi (.07-.12 bar) deadband.
• aps-350adjustable pressure switch, set point range 3.0-96.5 psi (.21-6.7 bar) increasing, 4.5-100 psi (.31-6.9 bar) decreasing, ±2.0 psi (.14 bar) repeatability, 1.6-4 psi (.11-.28 bar) deadband.
• aps-450adjustable pressure switch, set point range 7.5-242 psi (.52-16.7 bar) increasing, 9.7-250 psi (.67-17.2 bar) decreasing, ±5.0 psi (.35 bar) repeatability, 2.5-9 psi (.17-.62 bar) deadband.
• aps-550adjustable pressure switch, set point range 15.0-485 psi (1.0-33.4 bar) increasing, 20.0-500 psi (1.4-34.5 bar) decreasing, ±10.0 psi (.69 bar) repeatability, 5-22 psi (.35-1.5 bar) deadband.
• avs-150adjustable pressure switch, set point range 1.6-27.1" hg (4.1-68.6 cm hg) increasing, 2.7-28.2" hg (6.9-71.6 cm hg) decreasing, ±1.2" hg (3.1 cm hg) repeatability, 1.3-2.7" hg (3.3-6.9 cm hg) deadband.
• avs-350adjustable pressure switch, set point range 6.0-21.5" hg (15.2-54.6 cm hg) increasing, 8.4-28.2" hg (21.3-71.6 cm hg) decreasing, ±4.0" hg (10.2 cm hg) repeatability, 2.6-7.3" hg (6.6-18.5 cm hg) deadband.

specifications

• service:compatible liquids or gases.
• wetted materials:capsule: 17-7 ph ss; fitting: 303 stainless steel.
• temperature limits:-65 to 225°f (-54 to 107°c), a set point change of up to 2% when used below -10°f (-23°c) or above 125°f (52°c).
• pressure/vacuum limits:150% of range.
• switch type:spdt snap action.
• electrical ratings:5 a @ 250 vac, 3 a @ 28 vdc.
• electrical connections:3-wire, 20 awg insulated with pvc, 12" (30 cm) length.
• process connection:1/8" male npt.
• set point:field adjustable.
• cycling:not to exceed 20 cpm.
• sensor element:capsule.
• weight:3 oz (85 g).
• agency approvals:ur.

features

• field adjustable with simple indicating pointer reduces installation time bringing application on-line faster
• stainless steel construction provides a durable solution in harsh environments

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