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14 December 2013

The Various Types Of Cylinder Valves

By Cornelia White


Braking systems of most cars in use at this time are controlled by regulators. These cylinder valves control the braking fluid of a car. Therefore, in the process of purchasing new regulators, one ought to be very careful so as to make the right choice. In case this is not done, one may end up getting a faulty device which may cause him or her dearly.

The other type of regulator is used in our homes for controlling the gas we cook with. One needs to be very cautious when purchasing one. This is because they can cause a very serious inferno if they are leaking or faulty.

The major container in a car consists of several types of regulators. All these have their various attributes and functions which must be in place for a car to work effectively. The basic type is known as the combination regulator. This one is usually found in cars which have both the frond and back drum breaks. This one mainly functions by serving a warning to the driver in case the braking system has an issue. It usually combines with three other regulators for its efficiency. The others include pressure, proportioning and metering regulators.

At first, the drum break must engage. It does so before the disk break. All that is controlled by the metering valve. This is how the three compliment each other ensuring the success of an entire system. The metering valve is usually effective since it does not allow pressure into the disc breaks. It only does so when the pressure threshold is reached.

The threshold pressure is generally low compared to the maximum pressure in the braking system making the drum brakes engage barely before the disk brakes. This maintains the stability of the car during braking. This is because applying rear brakes first helps keep the car in straight line.

If there is a leak in the braking circuit the pressure differential switch is responsible for alerting the driver. It contains a specially designed piston in the middle of this tube. It is subjected to pressure in one of these two brake circuits. If the pressure is the same on both sides of the circuit, the piston will always be centered. But if one side develops a leak, pressure will be low in that side of the circuit hence pushing the piston off center.

The portion device reduces the amount of pressure on the back breaks. All cars need little pressure to be applied at the rear brake more than the front ones. This way, it prevents the pressure at the back from exceeding its limit.

These regulators use spring valves which normalizes the gas pressure by sensing the pressure downstream of the regulator and adjusting its spring valve accordingly. Hence, it creates a constant flow of gas. This is because pressure in the pipes may sometimes fluctuate.

The spring valve work hand in hand with the diaphragm chambers which are gas filled on the downstream end. The downstream pressure goes down; the spring valve is pushed to give more room for gas to get inside. This is how cylinder valves work.




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