Overview of Y43H Pilot Piston Steam Pressure Reducing Valve

The Y43H pilot piston steam pressure reducing valve set is a special steam pressure regulating device composed of a pilot pressure reducing valve, upstream and downstream shut-off valves, strainers, pressure gauges and pipeline accessories. The valve body is made of high-temperature resistant cast steel or stainless steel, specially designed for saturated steam and superheated steam working conditions. This integrated valve set features high regulating precision and excellent stability. It is widely used in industrial steam systems such as power plants, petrochemical plants, textile mills and food processing facilities, delivering reliable pressure control and system protection for steam-consuming equipment.

Y43H Pilot Piston Steam Pressure Reducing Valve Product Image    

Y43H Pilot Piston Steam Pressure Reducing Valve Features

1. Pilot-operated high-precision regulation: Adopting the pilot control principle, it is highly sensitive to downstream pressure changes, offering high regulation accuracy and better pressure stabilization performance than direct-acting pressure reducing valves.
2. Steam condition dedicated design: The valve assembly structure and materials are optimized for high-temperature steam, making it resistant to erosion and thermal deformation, suitable for saturated steam and steam systems with a certain degree of superheat.
3. Integrated safety configuration: Standardized with an imported filter, front and rear isolation valves, dual pressure gauges, and a safety valve interface, providing complete pressure monitoring, impurity filtration, and system protection functions.
4. Convenient maintenance and stable operation: The pilot valve and main valve can be maintained separately, making strainer cleaning and seal replacement convenient. The entire valve assembly runs smoothly with strong anti-interference capability.
5. Wide range of applications: It can adapt to steam pipelines of different pressure ratings, meeting various pressure reduction ratios and flow requirements by replacing the pilot valve spring or adjusting the pilot valve settings.

  Y43H Pilot-Operated Piston Type Steam Pressure Reducing Valve Structure Diagram

Parts Name Material List

Dimensions Standard Requirements

1. The structural length of the valve shall conform to the standard GB/T12221.

2. The connecting flange shall conform to the standard GB/T 17241.6

Y43H Pilot-Operated Steam Pressure Reducing Valve Dimensions Table

Y43H-64

Due to the rapid R&D iteration speed of valve products from China Kaivex Valve Group Co., Ltd., the above technical parameters and specification documents, including product overview, features, parts materials, outline dimension charts, CAD drawings, and product instruction manuals, are for your reference only. For actual applications, please contact our valve sales engineers to obtain the support you need for free. Thank you!