Brass Proportional Pressure Reducing Valve YB43X-16T

Product Description

YB43X proportional pressure reducing valve: Flanged connection, piston-type design, rubber seat sealing surface, nominal pressure PN10–PN16. The proportional pressure reducing valve consists of a valve body, inlet gland, piston, outlet gland, O-rings, sealing gaskets, and other components. Proportional pressure reducing valves are generally selected to ensure that the design flow rate falls within the linear segment of the flow-pressure characteristic curve, so that the pressure downstream of the valve remains proportional to the pressure upstream. The proportional pressure reducing valve features a precise and innovative design, smooth operation, a compact and lightweight body for easy installation, and a stable pressure reduction ratio—reducing both "dynamic pressure" and "static pressure." Constructed of stainless steel, it is suitable for clean water and gases.

Product Features

YB43X proportional pressure reducing valve features: Attractive design, reliable quality, accurate proportional control, and smooth operation; reduces both dynamic and static pressure. This valve utilizes the pressure difference generated by the different load areas on either side of the piston inside the valve body to adjust the pressure downstream of the valve, thereby achieving pressure reduction. The pressure-reduction ratios available for these pressure reducing valves include (2:1), (3:1), (4:1), (3:2), (5:2), and others. Pressure reducing valves with custom ratios can also be designed according to user requirements.

How It Works

When water flow ceases in the downstream pipeline, the pressure behind the piston increases, causing the piston of the proportional pressure-reducing valve to lose its equilibrium and move forward, thereby closing the valve. When there is no water consumption in the downstream pipeline network, the valve remains closed, and the pressure ratio between the upstream and downstream sides is constant. When a fire hydrant or sprinkler is activated in the downstream pipeline network, the upstream pressure exceeds the downstream pressure, causing the piston to move backward and opening the proportional pressure reducing valve. The pressure in the downstream pipeline network decreases as the flow rate increases (in accordance with the flow-pressure characteristic curve) until an equilibrium position is reached, at which point the piston stops moving. The YB43X proportional pressure-reducing valve utilizes the pressure difference created by the different cross-sectional areas on either side of the floating piston inside the valve to alter the pressure conditions of the inlet and outlet water, thereby achieving pressure reduction.

Performance Features

1. It uses hydraulic principles for control and adjustment and has a simple structure.
2. Accurate pressure reduction ratio and high flow capacity.
3. It reduces both dynamic pressure and static pressure.
4. Runs smoothly and quietly, with no vibration; reduces water hammer and protects the pipeline network.
5. Suitable for installation at any angle.
6. Lightweight, compact, and easy to install and maintain.

Product Specifications

Product Size Guide