2013年8月7日星期三

Quick exhaust valve synopsis


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quick exhaust valves for industrial medium is water pipeline, as quickly ruled out the gas pipeline equipment to improve transport efficiency and protect water equipment without deformation pipeline rupture, the pipeline is essential equipment. Type valve is a barrel-shaped body, there are not a total internal

Stainless steel float and plugs. Installed at the outlet of the pump or the Information Po water pipeline to exclude a large number of the assembly of the air pipe, water pipes and pumps to improve efficiency, and with the tube once the negative pressure, the valve can be quickly inhaled air to keep line due to the negative pressure

Damage arising. Quick exhaust valve body is barrel-shaped, the valve member includes a stainless steel float, stem and valve. The valve is installed at the outlet of the pump or water distribution pipeline, used to exclude accumulated air in the pipe in order to improve the efficient use of the pipeline and pump, when

Once the negative pressure inside the pipe when the valve is quickly sucked outside air, in order to prevent damage to the pipeline because of the negative pressure. When the pipeline starts filling, the valve is in the open position, a lot of exhaust, when the air is drained, the valve is filled with water, the float rises and driven valve

Flap closure, stop the exhaust, when the water pipe when normal delivery, if gathered in a small amount of air inside the valve to a considerable extent, the water level dropped valve, when the air is discharged from the orifice. When the pump is stopped, the air flow within the pipe or in case of negative pressure inside the tube, then quickly turn plugs,

Intake air to ensure the safety line.
Scope
Quick exhaust valve <large diameter exhaust valve> used independent heating system, central heating system, heating boilers, central air conditioning, underfloor heating and solar heating systems, exhaust pipes. Because the water is usually dissolved in some of the air, and the air temperature as the solubility

The increase of the degree of reduction, so tha t the water gas during the cycle gradually separated from the water and gradually gather together to form large bubbles or column, as the supplementary water, so often a gas generation. This relation to the extension of the term to give birth to the exhaust valve, in daily life

Live also solves many problems.
How it works:
Exhaust mode, the float due to gravity, down one end of the lever down, when the lever is in an inclined state, the lever contact portion of the exhaust hole voids, gaps through which air is discharged from the discharge hole, as the air the discharge, the water level rose, buoys

At the water s buoyancy floats upward, gradually lever on the seal face pressure on the vent until the entire vent was completely blocked, when the exhaust valve is completely closed state.
Advantage
1 quick exhaust valve floats using low-density PP material, this material even after prolonged immersion in hot water will not produce distor tion. Buoy activities will not cause difficulties.
(2) with hard plastic float lever, the lever and the coupling between the buoy and the holder are connected using the activity, they will not rust in the long run, the system could not work and water leakage.
3 the sealing end portion of the lever is spring-supported, can vary with the movement of the lever corresponding to expansion, to ensure that the exhaust gas in the case without sealing.  air valves

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