Engine Components

Leading Manufacturer, Supplier & Retailer of Air Intake Shutoff Valve, Heavy Duty Air Intake Shutoff Valve, 4261D Air Intake Shut-off Valve and Air Intake Shutoff Valves.

Air Intake Shutoff Valve

Standard materials Valve body and disc
Maximum intake air temperature 125°C

Operating a diesel engine in an area where a hydrocarbon release may occur is highly dangerous. Once the engine begins running on the external fuel source, turning off the ignition will not work. The engine will overspeed, leading to mechanical failure or explosion. The 4260 Air Intake Shut-off Valves effectively shuts down a runaway diesel by closing off engine intake air.

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Heavy Duty Air Intake Shutoff Valve

Max intake air temperature -40°C to 280°C -40°F to 535°F
Valve size 4 in 102 mm
Net weight 10 kg 21 lbs

The newly released 7002 series air intake shut-off valve was designed forthe wear and tear of the frac industry. The valve will effectively shut down a runaway diesel engine by closing off the engine intake air.

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4261D Air Intake Shut-off Valve

Max. intake air temp: 125°C
Valve bore size ranges: 56 - 188 mm
Pneumatic cylinder: 207 kPa

AMOT 4261D Butterfly Valves help prevent diesel engine runaway. Diesel runaway is a constant problem, injuring personnel and causing severe damage to equipment every year. A diesel engine will runaway and self destruct on hydrocarbon vapors, even if the engines primary source of fuel is taken away. An intake air shut-off valve is a must for diesel engines which have even a possibility of encountering hydrocarbon vapors. The Air Intake Shut-off Valves from AMOT use the best available technology to shut down a runaway diesel by choking off engine intake air.

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Air Intake Shutoff Valves

Air intake shutoff valves (often referred to as AISV, ASOV or emergency shutdown valves, ESD) and systems provide emergency overspeed shutdown protection for diesel engines and are the most effective way of preventing a runaway situation. The valves completely block the engine air intake system, cutting off an uncontrolled external fuel source and the air required to keep the engine running. Our air intake shutoff product offerings include AMOT, Chalwyn, Rigsaver and Roda Deaco brands.

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