Two-stage all-copper pressure reducer YQY370 special explosion-proof pressure gauge

Two-stage all-copper pressure reducer YQY370 special explosion-proof pressure gauge

Model: YQY-370

Measuring range: 0.4-4 (MPa)

Applicable medium: oxygen

Rated outlet pressure: 0.4-4 (MPa)

Rated flow: 16 (m3/h)

Use: oxygen pressure reducer

Structure: single stage type

Packing number: 6

Manufacturer of two-stage all-copper pressure reducing devices,

All-copper two-stage pressure reducer manufacturer,

Two-stage all-copper pressure reducing valve manufacturer,

Production of two-stage all-copper pressure reducers,

All copper two-stage decompression equipment manufacturers.

Ma'anshan Eagle - eye Instrument Co., Ltd. is a Chinese manufacturer, and its main products include pressure reducers.

**Business Scope**:

It is an enterprise integrating the R & D, design, production and sales of pressure gauges, thermometers and pressure reducers. Its business covers the manufacturing and sales of pressure reducers, oxygen pressure gauges, acetylene pressure gauges as well as the sales of hardware products. It is also a professional manufacturer of pressure reducers, pressure gauges and welding and cutting tools.

**Honors and Market Performance**:

On November 24, 2023, it obtained the ISO9001 quality management system certification. Its products are of high quality, rich in variety and low in price. They sell well in various provinces and cities in China and are also exported to Europe, America, the Middle East and Southeast Asian countries and regions.

 **Production Scale**:

It has high - quality management personnel and professional technical personnel. It produces nearly 100 varieties in six series of pressure reducers and more than 100 varieties in nine series of pressure gauges. The company has processing centers such as pressure gauge, pressure reducing gauge and metal processing, advanced production equipment, a complete quality assurance system and detection means.

**Product Advantages**:

It has abundant technology, exquisite workmanship, advanced equipment and complete monitoring means. The products have passed the inspection and the quality has reached the level of similar products. They cover various industrial gas pressure reducers. Its integrity, strength and product quality have been recognized by the industry. There are various types of pressure reducers, such as the YQY - 370 oxygen series pressure reducer.

The following is a summary of the types of pressure reducers of Ma'anshan Eagle - eye Instrument:

### Classification by gas type

1. **Oxygen pressure reducer**

It is used to regulate the oxygen pressure to meet the pressure requirements of different oxygen - using scenarios, such as in medical oxygen equipment, industrial oxygen cutting and other fields. Its design features will focus on the special properties of oxygen to ensure the safety and accuracy during the regulation process and prevent dangers caused by improper pressure.

2. **Acetylene pressure reducer**

It is specifically designed for acetylene gas. Considering the flammable and explosive characteristics of acetylene, this type of pressure reducer has strict safety standards in design and manufacturing. It can accurately control the pressure of acetylene gas and ensure the stability and safety of gas supply pressure during industrial operations such as welding and cutting that use acetylene.

3. **Other industrial gas pressure reducers**

These include pressure reducers for commonly used industrial gases such as nitrogen, air, carbon dioxide, and argon. Each gas has different physical and chemical properties, and the design of the pressure reducer will be adjusted accordingly to adapt to the pressure regulation requirements of specific gases. For example, a carbon dioxide pressure reducer needs to adapt to the critical state of carbon dioxide and the phase change under different temperatures.

### Classification by function and application scenario

1. **General - purpose industrial pressure reducer**

It is widely used for gas pressure regulation in general industrial production. It has a relatively simple structure but is stable and reliable, and can meet the basic requirements for gas pressure control in most industrial environments, such as in some simple gas transmission and use links.

2. **High - precision pressure reducer**

It is suitable for scenarios with high requirements for gas pressure accuracy, such as in laboratory analytical instruments, electronic chip manufacturing and other fields. This type of pressure reducer has higher regulation accuracy and can precisely control the gas pressure within a very small error range to ensure the accuracy of the experimental or production process.

3. **Pressure reducer for special environments**

For some special environments, such as high - temperature, high - pressure, and corrosive environments, there are specially designed pressure reducers. They adopt special materials and structures and can resist the influence of harsh environmental factors to ensure stable operation under special conditions. For example, in some corrosive gas environments in chemical production, the housing and internal components of the pressure reducer will be made of corrosion - resistant materials.

### Classification by regulation mode

1. **Direct - acting pressure reducer**

Its working principle is to use elements such as diaphragms and springs to directly sense the change in the outlet pressure and control the gas flow through the regulating element to regulate the pressure. This mode has a simple structure, but the regulation accuracy may be relatively limited and is suitable for some occasions with low requirements for pressure accuracy.

2. **Pilot - operated pressure reducer**

A small pilot valve is used to control the opening and closing of the main valve. The pilot valve is more sensitive to pressure changes and can achieve more accurate pressure regulation. It is often used in large - scale industrial equipment or complex systems with high requirements for pressure stability and accuracy.

The above content is based on the general classification of pressure reducers for the types of pressure reducers of Ma'anshan Eagle - eye Instrument. Specifically, it still needs to be further improved in combination with the actual product information of the pressure reducers of Ma'anshan Eagle - eye Instrument.