Stainless steel flanged ball valves require only a 90-degree rotation and minimal torque to achieve a tight seal. The perfectly level valve body provides a low-resistance, straight-through flow path for the medium. While ball valves are generally considered best suited for direct on/off applications, recent developments have led to their design for throttling and flow control.
The main characteristics of ball valves are their compact structure, ease of operation and maintenance, and suitability for common working media such as water, solvents, acids, and natural gas. They are also suitable for harsh working conditions involving media such as oxygen, hydrogen peroxide, methane, and ethylene. The valve body can be integral or modular. These valves should be installed horizontally in the pipeline.
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stainless steel flanged ball valve Technical parameters
Nominal Diameter: DN15～DN800
Structure: Spherical
Nominal Pressure: 1.6Mpa～32.0Mpa
Connection Method: Flange, Wafer, Threaded, Welded
Applicable Temperature: -20ºC～+180ºC～550ºC
Actuation Method: Manual
Valve Body Material: Stainless Steel, 304, 316, 316L
Manufacturing Standard: GB (Chinese National Standard), DIN (German Standard), API (American Standard), ANSI (American Standard)
Applicable Media: Water, Oil, Steam, Gas, Corrosive Liquids
stainless steel flanged ball valve Features and Advantages
1. High Durability
Stainless steel flanged ball valves are made of high-strength stainless steel, possessing excellent wear and corrosion resistance and a long service life.
2. Easy Operation
The ball is opened, closed, and adjusted by rotating a handle or electric actuator, making operation simple and easy to master.
3. Good Sealing Performance
The flanged connection provides better sealing between the valve and the pipeline, significantly reducing the risk of fluid leakage.
4. Wide Range of Applications
Stainless steel flanged ball valves are suitable for fluid control and regulation of various media, such as in the petroleum, chemical, pharmaceutical, food, beverage, and water treatment industries.
5. Easy Maintenance
The good sealing between the ball and the valve seat facilitates easy maintenance and replacement, greatly reducing operating costs and time.
stainless steel flanged ball valve function
Stainless steel flanged ball valves are widely used in various industrial fields, with the following main functions:
- Firstly, in fluid control, stainless steel flanged ball valves can effectively regulate and cut off fluid flow. By rotating the valve stem, the ball can rotate on the valve seat, achieving a fully open or fully closed state, or adjusting the flow rate in an intermediate position, thus meeting the flow rate and pressure requirements of different processes.
- Secondly, stainless steel flanged ball valves have excellent sealing performance. Their sealing surfaces utilize special materials and processing techniques, maintaining a good sealing effect under harsh conditions such as high pressure and high temperature, effectively preventing fluid leakage and ensuring the safety of the production process and environmental cleanliness.
- Furthermore, stainless steel flanged ball valves are highly corrosion-resistant. Due to their main body material being stainless steel, they possess excellent corrosion resistance, enabling stable operation for extended periods in corrosive media such as acids and alkalis, extending the valve's service life and reducing maintenance costs.
- In addition, stainless steel flanged ball valves have a compact structure and are easy to operate. Its flange connection makes installation convenient and quick, and can be quickly connected to various piping systems; while the design of the operating handle or electric actuator allows operators to easily open and close the valve, improving work efficiency.
stainless steel flanged ball valve Applications:
Petrochemical Industry
Crude oil, refined oil, and natural gas pipelines: Quickly cut off media to prevent leaks.
Reaction vessels and storage tank systems: Precisely control reactant dosage to ensure process stability.
Explosion-proof scenarios: Pneumatic or electric actuators meet Ex d IIB T4 explosion-proof standards, suitable for flammable and explosive environments.
Natural Gas and City Gas
City gas and natural gas pipelines: Transport and distribute gas, supporting remote flow control.
Pressure regulating stations: Work with pressure regulators to maintain system pressure balance.
Power Industry
Boiler feedwater and steam systems: Regulate steam flow to prevent equipment overheating.
Nuclear power plants: Control coolant flow to ensure nuclear reactor safety.
Water Treatment
Waterworks: Flow regulation in raw water filtration and disinfection.
Wastewater treatment: Precise control of sludge transport and chemical dosing, tolerant of sand, fiber, and other solid particles.
Pharmaceutical and Food Industries
Sanitary Design: The valve body is polished to Ra≤0.8μm, complying with GMP and FDA standards to prevent media contamination.
CIP/SIP Cleaning: Supports online cleaning and disinfection, adapting to aseptic production requirements.
Cryogenic Media Systems
LNG Receiving Terminals and Liquefaction Plants: Controls the flow of cryogenic media to prevent valve freezing and cracking.
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