American Fairchild FAIRCHILD fuel regulator operating principle

How FAIRCHILD Fuel Regulators Work

The FAIRCHILD Fuel Regulator directly controls the Type 67 Stainless Steel Regulator to precisely control fuel pressure in the range of minus 6 to 60 psi. According to the functions and use requirements of each part in the automatic detection and control system, it divides the whole set of instruments into several units with independent functions, and the units are connected by unified standard signals. By using these common units and creating different combinations, automatic detection and control systems of varying degrees of complexity can be formed. In combination with some auxiliary units, it can also be used in conjunction with a computer to become a part of the computer operating system. The unit combination meter has been widely adopted by various industrial sectors. Suitable for all fuels, large diaphragm actuator with direct controllep has excellent response characteristics and very low hysteresis. The force-balanced valve and the newly developed, smooth-running sealing system enable extremely precise control. Electric controllers, however, use larger diaphragm regulators for their pressure controls to allow for very precise set point control. By placing the motor and associated electronics in an explosion-proof housing, the pneumatic control loop is isolated from any explosive atmosphere. A stepper motor configuration with a horizontally mounted clock generator is connected to a vertically mounted converter board. Configuration includes limit switches. The stepper motor is installed at the bottom of the motor assembly at the bottom of the explosion-proof enclosure. Wiring from the unit to the terminal block is through the 1/2\" – 14 NPT conduit fitting on the bottom of the housing. The large diaphragm regulator is connected to the motor housing.ng. The M67 has been specially developed for the high precision and reliability requirements of modern engine test equipment and is widely used such as gasoline, diesel, biodiesel (RME), jet fuel, methanol, ethanol, gasoline blends E5 to E100 and diesel blends B5 to B100.

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High accuracy

Extremely low flow drop

Corrosion resistant for all fuels and mixtures

No supply pressure effect

Enables rapid fuel changeover

Flush and internal flush capabilities

Advantages;

Robust

Designed for versatile testing applications

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Control valve design for high precision control

Compensates downstream pressure loss under flow conditions

Switches quickly and easily between different fuels

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