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What do the gate valve models represent?

2026-01-13 01:57:37 mechanical

What do the gate valve models represent?

Gate valves are a common valve type in industrial piping systems, and their model codes usually contain rich information, such as structural form, pressure level, material, etc. Understanding the meaning of gate valve models can help with quick selection and maintenance. This article will give you a detailed analysis of the naming rules of gate valve models based on the hot topics and hot content on the Internet in the past 10 days.

1. Basic structure of gate valve models

What do the gate valve models represent?

Gate valve models usually consist of letters and numbers, with different parts representing different parameters. The following are examples of common gate valve model structures:

Model partmeaningExample
initialsValve type (Z stands for gate valve)Z
second letterConnection form (4 represents flange connection)4
third letterStructural form (1 generation shows the wedge type single gate)1
fourth letterSealing surface material (H stands for stainless steel)H
digital partNominal pressure (16 represents 1.6MPa)16

2. Analysis of common codes of gate valve models

The following is a detailed description of common codes in gate valve models:

code locationcode namemeaning
Valve typeZgate valve
Connection form1Internal thread
Connection form2External thread
Connection form4flange
Structural form0Elastic gate
Structural form1Rising pole wedge type single gate
Structural form2Rising pole wedge type double gate
Sealing surface materialTcopper alloy
Sealing surface materialHstainless steel
Sealing surface materialYCarbide

3. Analysis of gate valve model examples

Taking model Z41H-16 as an example, we can analyze it like this:

Model partcode namemeaning
ZZgate valve
44Flange connection
11Rising pole wedge type single gate
HHStainless steel sealing surface
1616Nominal pressure 1.6MPa

4. Things to note when selecting gate valves

1.Pressure level matching: When selecting a gate valve, first ensure that its nominal pressure is greater than or equal to the maximum working pressure of the pipeline system.

2.Material selection: Select the appropriate valve body and sealing surface materials according to the characteristics of the medium. For corrosive media, stainless steel or special alloy materials should be used.

3.Connection method: Select the matching valve connection form according to the pipe connection method to ensure convenient installation and reliable sealing.

4.Structural form: The rising stem gate valve is convenient for observing the valve status, but requires a larger installation space; the concealed stem gate valve saves space but it is difficult to judge the switching status.

5.Operation mode:Select manual, electric or pneumatic operation mode according to operating frequency and space conditions.

5. Recent popular gate valve technology trends

According to the hot content analysis of the entire network in the past 10 days, the following technology trends in the field of gate valves are worthy of attention:

1.Intelligent gate valve: Smart gate valves integrating sensors and IoT technology have become a hot topic, enabling remote monitoring and predictive maintenance.

2.Environmentally friendly materials application: The research and development of low-leakage, environmentally friendly gate valve sealing materials has received widespread attention.

3.3D printing technology: Use 3D printing technology to manufacture gate valve components with complex structures to shorten the production cycle.

4.Long life design: Through material optimization and structural improvement, extending the service life of gate valves has become a research and development focus.

5.standardization process: There is an obvious trend towards the unification of international gate valve models and standards, which facilitates global procurement and maintenance.

Through the above analysis, we can clearly understand the meaning of each part of the gate valve model, providing a reference for correct selection and use. In practical applications, it is recommended to select the most suitable gate valve product based on specific working conditions and the latest technological development trends.

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