Throttle valve pdf

Warning Moving parts in the valve create a risk of personal injury until the valve is securely incorporated into a system. To avoid injury, keep all bodily parts away from any valve opening. Do not insert objects into openings where contact with moving parts is possible. Pilot flow limitation With pilot-operated directional valves , the throttle check valve can be applied for switching time adjustment (pilot flow limitation).

In this case, it is installed between the pilot control valve and the main valve. Figure in which the opening angle of the valve determines the amount of air aspired by the engine.

Historically, the throttle is actuated directly by the driver through the gas pedal, and accordingly there was a mechanical connection between the two (e.g. Bo wden cable). Throttle valves are used to limit the flow of actuator ports.

So, the plate in the base of a carburetor that opens and closes is a throttling valve. The hydraulic fluid returning from actuator Bshifts throttle spool (). The valve then acts as check valve with free flow. Depending on the variant (“S“ or “S2“) throttling can be effec-tive in the inflow or outflow. The pressure fluid uses the lateral bores (3) to reach the throttling point (4), which is formed.

Gold series throttle valves are high quality steel construction with a hardened needle and seat and aluminium hand knob.

A plastic hand knob is available as an option. Manatrol throttle check valves of series F with fine ad-justment of the flow rate for a defined flow direction. The built-in check valve allows free flow in the counter direc-tion with low flow resistance. A 2-stage needle provides very exact setting of smaller flow rates with the first three rotations of the adjustment knob.

Z2FS Flow Control Valve PDF Hydraulic throttle valve is designed for the hydraulic system that requires different flow rate while a hydraulic system in operation. ETCS- i (Electronic Throttle Control System -intelligent) General The ETCS-i is use providing excellent throttle control in all the operating ranges. For efficient fuel combustion, the injected fuel mass must be perfectly matched to the air supply in the engine cylinder.

A throttle valve is the most commonly used in various file even in our kitchen, for example. The working principle of home faucet is the simple throttle valve , but the difference is hydraulic oil as media and high pressure in industrial field in stead of water in home. A throttling valve is any device that reduces, increases, starts, or stops flow of a fluid. These sur­ faces must be ground to a steam tight jOint.

To adjust the throttle valve apply torque of 0. Be careful not to open the throttle valve excessively as this could cause the throttle valve to fly out. Controlling the turbine steam flow with a minimum pressure drop through the control valves is very important. Any pressure drop caused by the steam flow through the co trol valves is a loss of thermodynamic energy. These valves are designed to fill the performance gap between conventional solenoid operated directional valves and servo valves or feedback-type proportional valves. Resetting The Throttle Body Calibration (this step is conditional) A Rough Idle or a SES can sometimes be caused by a change in the throttle body position sensor calibration.

To correct any accidental changes in throttle body calibration, use these procedures to recalibrate.

Note: These procedures are a little tricky to do. What is a Throttle Valve and Why Do You Need It? The smothering of grooves is more accurate but provides more variability than those with piston structures. The needle throttle has one disadvantage: a great deal of power. They affect the flow rate for single and double-acting consumers.

The main fuel jet comes into action when the throttle valve is further open. A throttle position sensor (TPS ) is used to monitor the throttle valve position in internal combustion engines. TPS is usually located on the throttle valve spindle so that it can directly monitor its position.