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Alco : Hi / Low Pressure Switch ( PS2-R7A Hi Manual / Low Manual )

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฿2,500.00
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Alco Controls Pressure Controls PS1 / PS2 Series


Adjustable Single and Dual Pressure Controls for high and low pressure applications.



Features


• Adjustable pressure range • Narrow adjustable differential depending on model


• Range and differential pointer in units bar and psig • Range and differential individually lockable by wire seal


• High rated SPDT contacts for all versions • Shatter resistant contacts


• Heavy duty, finger-proof terminal blocks • Captive terminal and cover screws


• Dual pressostats with two independent SPDT switches • Manual toggle for system checkout and override


• Standard pressure connection 7/16”-20 UNF for 1/4” SAE male flare connection


• Low pressure and high pressure versions available with TÜV approval according to EN 12263 to meet requirements of DIN 8901 and EN 378


• Automatic and manual reset versions • Some versions with convertible auto/manual reset • Locking plate and mounting screws included


Alco : Hi / Low Pressure Switch ( PS2-R7A Hi Manual / Low Manual )

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  • Alco : Hi / Low Pressure Switch ( PS2-R7A Hi Manual / Low Manual )

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Model Application Reset Adjustment Range Differential Setpoint bar Connection
Upper Setpoint bar
PS1-A3A Low Pressure Switch Auto -0.5 To 7.0  bar  or -7.25  To 101.5 psi 0.5 To 5.0 bar or -7.25  To 72.5 psi 1/4" or 6.4 mm  ( Flare )
PS1-R3A Low Pressure Switch Mannual -0.5 To 7.0 bar  or -7.25  To 101.5 psi 0.5 To 5.0  bar bar or -7.25  To 72.5 psi 1/4" or 6.4 mm  ( Flare )

Model Application Reset Adjustment Range Differential Setpoint bar Connection
Upper Setpoint bar
PS1-A5A HI Pressure Switch Auto 6.0 To 31 bar or 87 To 449.5 psi 2.0 To 15.0 bar or 30 to  217.5 psi 1/4" or 6.4 mm  ( Flare )
PS1-R5A HI Pressure Switch Mannual 6.0 To 31 bar or 87 To 449.5 psi
2.0 To 15.0 bar or 30 to  217.5 psi 1/4" or 6.4 mm  ( Flare )

Model Application Reset Adjustment Range Upper Setpoint bar Differential Setpoint bar Connection
Left Bar Right Bar Left Bar Right Bar
PS2-L7A Hi / Low Pressure Switch Low Auto / Hi Manual -0.5 To 7.0  bar  or -7.25  To 101.5 psi 6.0 To 31 bar or 87 To 449.5 psi 0.5 To 5.0 bar or -7.25  To 72.5 psi Ext. reset approx. 4bar below setpoint 1/4" or 6.4 mm  ( Flare )
PS2-R7A Hi / Low Pressure Switch Low Manual / Hi Manual -0.5 To 7.0  bar  or -7.25  To 101.5 psi 6.0 To 31 bar or 87 To 449.5 psi Ext. reset approx. 1bar above setpoint Ext. reset approx. 4bar below setpoint 1/4" or 6.4 mm  ( Flare )

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