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Y45H Lever Pressure Reducing Valve

Y45H Lever Pressure Reducing Valve

  • Model:Y45H-10C/Y45H-16C/Y45H-25C/Y45H-40C/Y45H-64C/Y45H-10P/Y45H-16P/Y45H-25P/Y45H-40P/Y45H-64P
  • Specification:DN50-500
  • Temperature:≤450 ℃
  • Medium:Water, steam, oil and similar liquids
  • Pressure:PN16,PN25,PN40,PN64,PN10
  • Connection method:Flange
  • Driving method:Automated
  • Material:Cast Steel、Stainless Steel
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Y45H Lever Pressure Reducing ValveOverview

Y45H Lever-Operated Pressure Reducing Valve Overview

The Y45H lever-operated pressure reducing valve assembly is a mechanical pressure regulation device consisting of a lever-operated pressure reducing valve, upstream and downstream shut-off valves, a filter, pressure gauges, and accessories. This valve assembly operates based on the lever-and-weight balancing principle, utilizing a lever mechanism to balance the force of the weight or spring against the medium pressure. This drives the valve disc to automatically adjust its opening, achieving stable pressure reduction control. The valve body is constructed from cast steel or stainless steel, featuring a robust and straightforward design suitable for steam, gas, and stable liquid media. Requiring no external energy source, the valve assembly provides stable and reliable regulation. It is widely used in heating systems, power plants, industrial boilers, and other pipeline applications where explosion-proof requirements are stringent or external power is unavailable.

Y45H Lever-Operated Pressure Reducing Valve Product Image

Y45H Lever Pressure Reducing ValveCharacteristic

Y45H Lever-Operated Pressure Reducing Valve Features

1. Lever-Based Mechanical Regulation: Utilizes a lever-weight or lever-spring balancing structure. The mechanical principle is straightforward and reliable, requiring no external power, making it suitable for explosion-proof environments and applications without an external energy supply.

2. Stable Regulation and Strong Anti-Interference Capability: The lever system possesses significant inertia, responding gradually to pressure fluctuations. This ensures excellent output pressure stability and strong resistance to disturbances from sudden flow changes.

3. Robust Structure and Simple Maintenance: The lever mechanism is externally accessible, facilitating observation and adjustment. Maintenance does not require complex tools. The design offers high durability and low failure rates.

4. High Safety and Strong Adaptability: Suitable for various media including steam, compressed air, and nitrogen. Particularly well-suited for high-temperature and high-vibration environments, ensuring high safety levels.

5. Cost-Effective and Flexible Configuration: Can be integrated with upstream/downstream valves, filters, and pressure gauges to form a complete valve assembly, or installed independently to meet different on-site requirements.

Y45H Lever Pressure Reducing Valvestructure principle

Y45H Lever-Operated Pressure Reducing Valve Structure Diagram

Parts Name Material List

NO.NameMaterial
1bodyWCB
2disc2Cr13
3seat304
4stem2Cr13
5gasketgraphite
6Guide Sleeve2Cr13
7piston ringAlloy Wear-Resistant Cast Iron


Y45H Lever Pressure Reducing Valvetechnology parameter
性能规范表Performance Specification
公称压力Nominal Pressure1.0-6.4Mpa
强度试验压力Shell Test1.5-9.6
密封试验压力Seal Test1.1-7.04
适用温度Suitable Temp.≤450


Y45H Lever Pressure Reducing Valvestandard size

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

Y45H Lever-Operated Pressure Reducing Valve View Drawing

Y45H Lever-Operated Pressure Reducing Valve Dimensions Table

公称通径DN外 形 尺 寸
LL1HHll
50300150520190565
65340170540205650
80380190550215650
100400215580240800
125430225620275800
150450230650320800
200500260790340800
250550285850370800
300750395940460900
350850445990530900
40095055011206601000
500113068016608001000

Y45HY杠杆式减压阀流量系数(Cv)

DN506580100125150200250300350400500
Cv20255060701101502304205407101020