Booster Valve: Functions and Working Principle
2026-05-26 10:58:04
liuxinde
增压阀的用途和工作原理增压阀是如何工作的,一般风道内压力不高于1.0MPA。但在某些情况下，需要一种局部高压的小气体。因此，有必要使用增压阀对分支的部分进行增压。增压阀的工作原理如下:输入气体,一般情况下，风道内压力不高于1.0MPA。但在某些情况下，需要一种局部高压的小气体。因此，有必要使用增压阀对分支的部分进行增压。
Functions and Working Principle of Booster Valve：The pressure in conventional air ducts is normally limited to 1.0 MPa. In some cases, however, small-volume high-pressure gas is required for local applications. A booster valve is therefore installed to raise the pressure in branch pipelines.The working principle of the booster valve is as follows：Low-pressure gas flows into the booster valve and pushes the internal piston unit. By leveraging the difference in effective piston areas, the valve converts the incoming low pressure into a higher output pressure. It delivers steady high-pressure gas to the branch circuit to meet the operational requirements.
增压阀的工作原理如下:输入压力分为两种方式:一路打开止回阀，向小气缸的增压室A、B充料;另一种方式通过调压阀和换向阀，向大气缸驱动腔B送气，驱动腔A排气。这样，大活塞向左移动，小活塞向左移动。增压室B加压并打开单向阀，从出口输送高压气体。
The working principle of the booster valve is as follows:There are two flow paths for the inlet pressure. One path opens the check valve to charge the boosting chambers A and B of the small cylinder. The other path delivers air to the driving chamber B of the large cylinder via the pressure regulating valve and directional valve, while the driving chamber A exhausts air.This pushes the large piston and the connected small piston to move leftwards. The pressure in boosting chamber B rises, opening the one-way valve and delivering high-pressure gas through the outlet.
小活塞走到末端，使换向阀开关，然后驱动腔A进气，驱动腔B排气，大活塞反向运动，增压腔A增压，打开单向阀，继续从出口处送出高压气体，上述动作反复进行，就可以从出口处连续输出高压气体。出口压力反馈给调压阀，使出口压力自动保持在一定的值。得到了在加压比范围内任意设定的出口压力。
When the small piston reaches the end of its stroke, it actuates the directional valve. Subsequently, air flows into driving chamber A and driving chamber B exhausts. The large piston moves in the reverse direction. Pressure rises in boosting chamber A and opens the one-way valve, so high-pressure gas keeps discharging from the outlet. The above actions repeat cyclically to realize continuous output of high-pressure gas at the outlet.The outlet pressure is fed back to the pressure regulating valve to keep the outlet pressure stable automatically. The outlet pressure can be set to any value within the range of the boosting ratio.
在哪些情况下可以使用增压阀?工厂风道内压力一般不高于1.0MPA。但在以下情况下，需要少量的局部高压气体:气路部分或部分设备需要使用高压(高于主压力)当工厂主风路压力降低，不能保证气动装置的最低工作压力时，增压阀应使用提供高压气体，以维持气动装置的正常运行。
Application Scenarios of Booster Valves？The pressure inside factory air ducts is generally no more than 1.0 MPa. A small volume of local high-pressure gas is required under the following conditions:High pressure higher than the main line pressure is needed for certain gas circuits or equipment.When the pressure of the main factory air line drops and fails to meet the minimum operating pressure of pneumatic devices, the booster valve shall be used to supply high-pressure gas and ensure the normal operation of the pneumatic devices.
空间狭窄，不能配置大口径气缸，但必须保证输出力。气动遥控操作，必须加压，以弥补压力损失。有必要提高气液联合钢瓶的液压。希望将油箱的注气时间缩短到一定的压力。防爆分气提高压力。当气缸一侧要加压时。
Narrow installation space rules out large-bore cylinders, yet sufficient output force must be guaranteed.Pressure boosting is required for pneumatic remote control operations to compensate for pressure loss.It is necessary to raise the hydraulic pressure of pneumatic-hydraulic cylinders.Reduce the gas charging time of the oil tank to reach the specified pressure.Boost pressure for explosion-proof gas distribution systems.Apply pressurization to one side of the cylinder.End-user equipment on the air circuit requires high output force for diverse working conditions.
增压阀是如何工作的?增压阀是一种能将低压油按比例转换为高压油的增压阀。自来水增压阀的工作原理类似于压力增压器，对大直径空气驱动活塞施加低压。当这种压力作用在活塞的一小块区域上时，就会产生高压。通过二五通风控制阀，增压泵可实现连续运行。由止回阀控制的高压柱塞将不断排出液体，出口压力与空气驱动压力有关。
How the Booster Valve Works？A booster valve converts low-pressure fluid into high-pressure fluid at a fixed ratio. The operating principle of water booster valves is similar to that of pressure intensifiers. Low pressure is applied to the large-diameter air-driven piston. When this pressure acts on the small-area end of the piston, high pressure is generated.Equipped with a 5/2 way directional control valve, the booster pump can operate continuously. The high-pressure plunger, regulated by check valves, delivers fluid uninterruptedly. The outlet pressure is determined by the air driving pressure.
增压阀使用部位当装置的某些部位需要高压时，在相应的局部风道上安装一个增压阀。虽然整体风道保持低压，但可在局部使用高压设备。
Install a booster valve on the corresponding local air duct where certain parts of the unit require high pressure. The overall air duct remains at low pressure, and high-pressure equipment can be adopted locally.