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  • YK43F High-Pressure Gas Pressure Reducing Valve

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YK43F High-Pressure Gas Pressure Reducing Valve

YK43F High-Pressure Gas Pressure Reducing Valve

  • Model:Y43F-16C/Y43F-25C/Y43F-40C/Y43F-64C/Y43F-16P/Y43F-25P/Y43F-40P/Y43F-64P/Y43F-100P
  • Specification:DN15-DN500
  • Temperature:≤ 425 ℃
  • Medium:Oxygen, nitrogen, argon, helium and other gases
  • Pressure:PN16-PN160
  • Connection method:Flange
  • Driving method:Spring
  • Material:Cast steel 、stainless steel
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YK43F High-Pressure Gas Pressure Reducing ValveOverview

YK43F High-Pressure Gas Pressure Reducing Valve Overview

The YK43F high-pressure gas pressure reducing valve is a pilot-operated piston-type precision pressure reducing device specially designed for high-pressure gas source systems. Adopting the principle of multi-stage pressure reduction and pressure feedback control, it can safely and accurately reduce unstable high-pressure gases (such as nitrogen, hydrogen, natural gas, compressed air, etc.) in gas cylinders, storage tanks or pipelines to the stable low pressure required by the system. Combining the micro-pressure sensing of the pilot valve with the powerful execution of the main valve, the valve achieves smooth pressure reduction and precise pressure stabilization under high pressure difference conditions. It is a key control equipment to ensure the safety of high-pressure gas transmission systems and the stable operation of downstream equipment. The valve adopts a high-strength alloy steel or stainless steel valve body, usually equipped with flange or high-pressure threaded interfaces. It is widely used in high-pressure gas control systems such as energy and chemical industry, gas filling, laboratory gas supply, industrial cutting and welding, and special gas transmission.

YK43F High-Pressure Gas Pressure Reducing Valve Product Image

YK43F High-Pressure Gas Pressure Reducing ValveCharacteristic

YK43F High-Pressure Gas Pressure Reducing Valve Features

1.High pressure difference adaptability with smooth pressure reduction Specifically designed for high-pressure gas working conditions, it adopts a multi-stage pressure reduction or special flow channel structure. It can effectively decompose pressure differences, reduce gas flow velocity, and avoid icing caused by adiabatic expansion. This ensures the smooth transition of high-pressure gas during pressure reduction, with stable and impact-free outlet pressure.

2.Pilot precision control for accurate pressure stabilization Built-in high-sensitivity pilot valve responds sensitively to changes in outlet pressure, and precisely drives the main valve piston to adjust the opening through gas pressure feedback. This design maintains outlet pressure accuracy even when the inlet pressure fluctuates significantly or the flow rate changes sharply, with a control deviation usually kept within ±5%.

3.All-metal sealing structure for safety and reliability Key sealing parts such as valve seats and discs adopt cemented carbide or stainless steel metal-to-metal sealing. They resist high-pressure erosion and gas corrosion, eliminating the risk of aging and failure of polymer sealing materials in high-pressure gas environments, and ensuring long-term sealing reliability and intrinsic system safety.

4.Comprehensive safety protection with high integration Comes standard with a high-pressure filter screen to prevent pipeline impurities from entering the pilot system. Most models integrate a safety relief valve, which can automatically relieve pressure for protection when the outlet pressure rises abnormally. The valve body is designed and manufactured in accordance with high-pressure vessel standards, and has passed strict air tightness and strength tests, complying with high-pressure gas equipment safety specifications.

5.Professional operation and maintenance, adaptable to harsh environments Equipped with a precision pressure adjustment handle with a locking mechanism to prevent misoperation. Adopts a modular design, allowing on-line maintenance and replacement of key components. The special surface treatment adapts to outdoor, marine or corrosive industrial environments, making it a professional solution for high-reliability high-pressure gas control.

YK43F High-Pressure Gas Pressure Reducing Valvestructure principle

YK43F High-Pressure Gas Pressure Reducing Valve Structure Diagram

Parts Name Material List

NO.NameMaterial
1bodyCast iron、Cast steel
2Seat and DiscCast iron、Cast steel
3sleevechromium-vanadium steel
4pistonsilicon-manganese steel
5Pilot Valve Seat and Pilot Valve StemStainless steel
6Main Valve SpringAlloy Wear-Resistant Cast Iron
7Pilot Valve Main Spring50CrVA
8regulating spring60Si2Mn


YK43F High-Pressure Gas Pressure Reducing Valvetechnology parameter
性能规范表Performance Specification
公称压力Nominal Pressure1.6-16MPa
强度试验压力Shell Test2.4-24
密封试验压力Seal Test1.76-17.6
适用温度Suitable Temp.≤425


YK43F High-Pressure Gas 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.

YK43F High-Pressure Gas Pressure Reducing Valve View Drawing

YK43F High-Pressure Gas Pressure Reducing Valve Dimensions Table

DNSIZE
LHHI
1.6/2.5MPa4.0MPa
1516018029090
2016018030098
25180200300110
32200220300110
40220240320125
50250270320125
65280300325130
80310330365160
100350380365170
125400450475200
150450500475210
200500550515240
250650560290
300800705335
350850745375
400900780405
450900730455
500950835465

DNsize
LHHI
6.4MPa10.0/16.0MPa
15180180300100
20180200310105
2520022031120
32220230310120
40240240335135
50270300335135
65300340340140
80330360380170
100380380185
125450490215
150500490225
200550535260
250650580310
300800725355
350850765395
400900800435
500950855495