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Showing 21–40 of 143 results

Why Choose Forged Flanged Ball Valves?
29
Mar

Why Choose Forged Flanged Ball Valves?

Forged flange ball valves are widely preferred for manual throttling or control purposes due to their versatility and reliability. Available in various classes, these valves are suitable for controlling power, water, oil, and chemicals in diverse applications. To ensure suitability for different uses, forged flanged ball valves must adhere to the quality standards specified by ASME B16.34. Additionally, they should possess fire safety features and ensure electrical continuity, essential...


The Difference between Soft and Hard Sealing in High-Pressure Ball Valves
25
Mar

The Difference between Soft and Hard Sealing in High-Pressure Ball Valves

When it comes to the use of high-pressure ball valves, there's a distinct difference between soft and hard sealing, primarily in their structural mechanisms and manufacturing standards. Structural Mechanism: Hard sealing in high-pressure ball valves involves metal-to-metal sealing between the ball and the seat, requiring precision machining and typically used in high-pressure applications, usually above 35MPa. On the other hand, soft sealing involves sealing between metal and non-metal materials...


What are Forged Steel Gate Valves and Their Industrial Applications?
21
Mar

What are Forged Steel Gate Valves and Their Industrial Applications?

In industrial settings, gate valves play a vital role in regulating the flow of fluids within specific areas, primarily focusing on pressure control. With diverse applications and user requirements, these valves are available in various sizes and types, including ball valves, butterfly valves, and globe valves. Depending on the specific needs of your operation, you may find yourself requiring one or more types of industrial gate valves to effectively manage your processes.   Forged steel gate...


Precautions for Forged Steel Valves
21
Mar

Precautions for Forged Steel Valves

Forged steel valves are mainly used in various systems' pipelines of thermal power stations. They can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, mud, oil, liquid metal, and radioactive substances. Compared to other valve products, forged steel valves are characterized by their high temperature and high-pressure resistance, unique self-sealing design, and increased reliability with higher pressures. Due to their performance characteristics...


Structure Overview of High-pressure Valves
15
Mar

Structure Overview of High-pressure Valves

High-pressure valves serve as control devices for fluid pipelines. Their primary function is to open or shut off the flow of pipeline media, alter the direction of flow, regulate pressure and flow rate, and safeguard the normal operation of pipelines and equipment. High-pressure gate valves can be divided into wedge and parallel types based on the structure of the gate, and into rising stem and non-rising stem types based on the stem's operation mode. The wedge-type gate valve features a gate...


A Comprehensive Introduction of Forged Steel Globe Valves
12
Mar

A Comprehensive Introduction of Forged Steel Globe Valves

Forged steel globe valves, crafted through the forging process, are pivotal components in fluid flow control systems. They excel in regulating, opening, and closing fluid passages with precision. Below, we delve into a comprehensive exploration of the characteristics, applications, and maintenance of these valves. Forged steel globe valves exhibit the following features, making them highly sought-after for specific applications: 1. Exceptional Resistance to High Temperatures and Pressures: Engineered...


Common Faults of High-Pressure Ball Valves
01
Mar

Common Faults of High-Pressure Ball Valves

When a high-pressure ball valve fails to operate and the cause cannot be identified, attention should be paid to observing the valve's discharge situation. If the high-pressure ball valve is equipped with a test valve, checking becomes relatively simple. Otherwise, the outlet connecting pipeline must be opened. Common failure phenomena of high-pressure ball valves include failure to drain cold valves, failure to drain hot valves, steam loss, continuous discharge, and slow heating. Cold Valves:...


Causes and Solutions of Rusting in High-Pressure Ball Valves
01
Mar

Causes and Solutions of Rusting in High-Pressure Ball Valves

High-pressure ball valves, designed to rotate around the axis of the valve stem, are crucial components in hydraulic machinery, hydraulic switches, natural gas systems, and other applications. Emerging in the 1950s, they have rapidly evolved into a primary valve type with advancements in production processes and product structures over the past 40 years. I. Reasons for Rusting of High-pressure Ball Valves The susceptibility of high-pressure ball valves to rusting varies with the environment. While...


Test Results of Forging Medium and High-pressure Valve Bonnets
08
Feb

Test Results of Forging Medium and High-pressure Valve Bonnets

4. Analysis of test results (1) The problem of thin forging at the top: When the thickness of the blank is certain, it is possible to make the top size of the workpiece thinner by forging. Under our experimental conditions, when the thickness of the blank is less than 6 to 7mm, thin forging will be difficult. For the pre-forged thin bad material, place it on the forming die. On the one hand, the workpiece is thin and heats up quickly; on the other hand, it is in contact with the mold at a lower...


Correct Installation of Forged Steel Check Valves
29
Jan

Correct Installation of Forged Steel Check Valves

Forged steel check valves come in two body-cover connection designs: one with a bolted body cover and the other with a fully welded body cover. The bolted body cover design features a bolted connection with a gasket seal, allowing for easier maintenance. On the other hand, the fully welded body cover design ensures a leak-free seal with welded connections. Here are essential guidelines for the correct installation of forged steel check valves: Valve Disc Types: 1. For swing check valves, the valve...


Forging Medium and High-pressure Valve Bonnets
25
Jan

Forging Medium and High-pressure Valve Bonnets

Forging has been a traditional method of manufacturing various components for centuries. In the field of forging valves, forging plays a crucial role in creating durable and reliable bonnets for medium and high-pressure valves. The process involves shaping metal through heat and pressure, resulting in a product that exhibits superior strength and resistance to wear. Medium and high-pressure valves are essential components used in industries such as oil and gas, petrochemicals, and power generation....


Forging Process and Production of F91 Gate Valve Bodies
15
Jan

Forging Process and Production of F91 Gate Valve Bodies

Gate valves serve as crucial control components in fluid transportation systems within industries such as power plants, chemicals, and petroleum. The valve body, a primary component of gate valve structure, functions as a conduit for fluid media, enduring pressure, temperature, and corrosion. F91 steel, classified as an improved 9Cr-1Mo high-strength ferritic heat-resistant steel, exhibits exceptional oxidation resistance, resistance to high-temperature steam corrosion, and impressive impact toughness....


Forging Knowledge of Valves
15
Jan

Forging Knowledge of Valves

Forging Process is a method of processing metal blanks using forging machinery to apply pressure, resulting in plastic deformation to obtain forged parts with specific mechanical properties, shapes, and sizes. It is one of the two major components of forging (forging and stamping). Valves, when classified by the forging process, can be divided into forged valves and cast valves. This article will share knowledge about forged valves from different perspectives. Deformation Temperature The starting...


Innovative Design of Flanged Forged Steel Ball Valves
12
Jan

Innovative Design of Flanged Forged Steel Ball Valves

The forged steel ball valve operates by rotating around the valve body's centerline for opening and closing. Equipped with a unique automatic pressure relief function, the sealing element is embedded in the stainless steel valve seat, ensuring bidirectional sealing and pressure relief in the middle chamber. This design allows the valve to achieve leakage sealing under varying pressure differences, making it suitable for diverse working conditions. The flange forged steel ball valve has proven...


Causes and Solutions for Internal Leakage in Forged Steel Ball Valves
12
Jan

Causes and Solutions for Internal Leakage in Forged Steel Ball Valves

The operation of a forged steel ball valve involves the rotation of the stem to open or close the valve. This type of valve is characterized by its light switch, compact size, and adaptability to large calibers. It offers excellent sealing performance, simple structure, and easy maintenance. The sealing surface and spherical surface are consistently in a closed state, minimizing erosion by the medium. Despite its widespread use across various industries, issues like internal leakage can pose challenges...


The Superiority of Forged Steel Ball Valves in Various Industries
15
Dec

The Superiority of Forged Steel Ball Valves in Various Industries

Forged steel ball valves are extensively employed in multiple industries, manufactured through the forging method. These valves surpass the quality of cast steel components, showcasing greater resilience against substantial impact. They exhibit superior plasticity, toughness, and other mechanical properties compared to cast steel parts. Consequently, all critical machine components should incorporate forged steel ball valves. Due to their outstanding performance, these valves find widespread applications...


The Improvement Plan for Forged Copper Valves
15
Dec

The Improvement Plan for Forged Copper Valves

Forged copper valves are a popular choice in various industries due to their durability, strength, and resistance to corrosion. These forged copper valves are manufactured using a forging process that involves shaping the copper into the desired form through intense heat and pressure. In contrast, traditional valves are typically made from cast iron or steel. One key advantage of forged copper valves is their superior strength. The forging process aligns the grain structure of the metal, making...


Defects of Forged Copper Valves
15
Nov

Defects of Forged Copper Valves

What is a forged copper valve? The forged copper valve is a remarkable invention that has revolutionized the field of engineering. With its exceptional durability and versatility, this forged valve has become an indispensable component in various industries, which can be used in a wide range of applications, including plumbing systems, HVAC systems, and industrial machinery. Its ability to regulate fluid flow with precision makes it an essential component in controlling processes and maintaining...


Forging Hollow Valve Spheres
31
Oct

Forging Hollow Valve Spheres

The hollow sphere is an important part of the forged valve. In addition to good corrosion resistance, high impact is also required. Therefore, OCrI7Ni12Mo2 austenitic stainless steel is used for forging.   Figure 1 The diagram of parts   1. About the forging performance of OCr17Ni12Mo2 The deformation resistance of OCr17Ni12Mo2 at high temperatures is about twice that of carbon structural steel and alloy structural steel, and there is no allotropic transformation in the heating process....


Forged Steel Gate Valves
30
Aug

Forged Steel Gate Valves

Forged steel gate valves are an essential component in various industries. These valves are designed to control the flow of fluids by opening or closing a gate mechanism. The term "forged" refers to the manufacturing process used to create these valves, which involves shaping solid pieces of steel through intense heat and pressure. One of the key advantages of forged steel gate valves is their durability. The forging process creates a strong valve that can withstand high pressures and...


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About Us
Launched in 1988, Topper Forged Valve Company is engaged in manufacturing forged steel valves. Our products cover Forged Steel Ball Valve, Gate Valve, Check Valve, Globe Valve, According to API, BS, DIN, JIS GB Standards.
Our Contacts

NO. 879, Xiahe Road, Xiamen, Fujian, China

086 592 5819200