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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 126-164 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Brass bellows with nickel-plated brass 1/4” NPT (female) pressure connection; Models 126 and 134 have zinc-plated steel spring exposed to media
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 610-616)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

303 stainless steel piston with Buna-N O-Ring and 303 stainless steel 1/4” NPT (female) pressure connection (not recommended for gas service since drying of the O-Ring seal can allow bleeding of medium into the atmosphere)
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 550-555)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Teflon® diaphragm and Viton® O-Ring with 316L stainless steel 1/4” NPT (female) pressure connection and cap

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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 570-572)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

316L stainless steel diaphragm and Viton® O-Ring with 316L stainless steel 1/4" NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models S126B-S164B)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/2” NPT (female) pressure connection
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UE Controls 120 series Explosion- Proof Pressure, Vacuum, Differential Pressure and Temperature Switches. (Type J120, single switch with internal adjustment, dual conduits.Models 183-186 )
Heavy industrial processes rely on 120 Series pressure and temperature switches to protect equipment and personnel while preserving process uptime. The 120 Series is simple to install in hazardous location areas and perform critical alarm, safety and emergency shutdown functions.

316L stainless steel diaphragm (optional Hastelloy® C 276 or Monel® 400); Viton® GLT O-Ring (optional Kalrez®,Ethylene Propylene or Aflas®); 316 stainless steel 1/2” NPT (female) pressure connection (optional Hastelloy® C 276 or Monel® 400), 0.72” orifice for clean-out purposes. Models 188 and 189 have a 316L stainless steel 1/2" NPT (female) pressure connection. NACE MR0175 compliant with M401 option
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UE Controls 120 series Explosion- Proof Pressure, Vacuum, Differential Pressure and Temperature Switches. (Type J120, single switch with internal adjustment, dual conduits.Models 483-486 )
Heavy industrial processes rely on 120 Series pressure and temperature switches to protect equipment and personnel while preserving process uptime. The 120 Series is simple to install in hazardous location areas and perform critical alarm, safety and emergency shutdown functions.

316L stainless steel diaphragm (optional Hastelloy® C 276 or Monel® 400); Viton®GLT O-Ring (optional Kalrez®, Ethylene Propylene or Aflas®); 316 stainless steel 1/2” NPT (female) pressure connection (optional Hastelloy® C 276 or Monel® 400), 0.06" orifice to dampen pulsations. Models 488 and 489 have a 316L stainless steel 1/2" NPT (female) pressure connection. NACE MR0175 compliant with M401 option
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UE Controls 120 series Explosion- Proof Pressure, Vacuum, Differential Pressure and Temperature Switches. (Type J120, single switch with internal adjustment, dual conduits.Models 488-489 )
Heavy industrial processes rely on 120 Series pressure and temperature switches to protect equipment and personnel while preserving process uptime. The 120 Series is simple to install in hazardous location areas and perform critical alarm, safety and emergency shutdown functions.

316L stainless steel diaphragm (optional Hastelloy® C 276 or Monel® 400); Viton®GLT O-Ring (optional Kalrez®, Ethylene Propylene or Aflas®); 316 stainless steel 1/2” NPT (female) pressure connection (optional Hastelloy® C 276 or Monel® 400), 0.06" orifice to dampen pulsations. Models 488 and 489 have a 316L stainless steel 1/2" NPT (female) pressure connection. NACE MR0175 compliant with M401 option
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 270-274)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Phosphor bronze bellows with nickel-plated brass 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 356-376)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 440-449)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 450-454)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 126-164)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Brass bellows with nickel-plated brass 1/4” NPT (female) pressure connection; Models 126 and 134 have zinc-plated steel spring exposed to media
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 270-274)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Phosphor bronze bellows with nickel-plated brass 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 356-376)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 440-449)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 450-454)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 520-525)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with epoxy coated aluminum 1/2” NPT (female) pressure connection, large 0.72” orifice for clean-out purposes. Other wetted materials available, see pg. 12; Option M449 recommended
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 530-535 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel diaphragm and 1/2” NPT (female) pressure connection, large 0.72” orifice for clean-out purposes; Option M449 recommended
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 550-555 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Teflon® diaphragm and Viton® O-Ring with 316L stainless steel 1/4” NPT (female) pressure connection and cap