Catalog excerpts
Differential Pressure Valve Model 4143 Overview AMOT Model 4143 valve is used for sensing loss of coolant due to hose breakage, poor water flow due to excessive cavitation or worn pump impeller blades. Upon a dangerous condition, the pressure differential will decrease, causing the valve to vent the lubricating oil pressure supply line to the AMOT 2800 Master Safety Control, causing it to trip and shutdown the engine. Typical applications l Protection of engines and other industrial equipment in case of water circulation slow down or failure. Type 4143 Differential Pressure Valve Key features and benefits l Senses: - coolant loss - excessive aeration - worn pump impeller blades - loss of pump priming pressure - water pump failure l Gulfproof, anodized aluminum construction
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Differential Pressure Valve - Model 4143 Operation When the valve is used for sensing loss of pump priming pressure, run a line from the pressure outlet of the pump to Valve Port P2, and allow Port P1 to be vented to atmosphere. It senses the pressure difference between each side of the water pump. This valve is “Gulfproofed” (corrosion protection for seacoast atmospheres). Specification Housing material Diaphragm material Buna N/Nitrile Maximum pressure on diaphragm 4.1 bar Adjustable differential pressure range Reset differential Maximum pressure at valve ‘In’ port Installation factors...
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Differential Pressure Valve - Model 4143 High Pressure after field adjustment Specify Model No. 4143A001. Adjustments are made at installation. Service kits Datasheet 4143 Diff Pressure Valve 0311 Rev2
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AMOT USA 8824 Fallbrook Dr Houston TX 77064 USA AMOT Western Way Bury St Edmunds Suffolk, IP33 3SZ United Kingdom Asia Pacific AMOT Shanghai Rm A308 Building A8 Jiahua Business Center 808 Hongqiao Road Shanghai 200030 China
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