Top entry ball valves are a type of industrial valve commonly used to control the flow of fluids (liquids or gases) through pipelines. They are known for their robust design, reliability, and ease of maintenance. The term "top entry" refers to the valve's design where the ball and stem assembly can be accessed from the top of the valve body for maintenance or repairs, without having to remove the valve from the pipeline.
Key features and advantages of top entry ball valves
include:
Easy Maintenance: The top entry design allows for easy access to the internal
components of the valve, such as the ball, stem, and seats, without removing the valve from the
pipeline. This reduces downtime and maintenance costs.
Reduced Leakage: Top entry ball valves are designed to minimize leakage and
ensure tight shut-off. This is especially important in critical applications where even small
leaks can be problematic.
High Pressure and High Temperature Applications: These valves are often used in
industries where high pressure and high-temperature conditions are common, such as oil and gas,
petrochemicals, and power generation.
Versatility: Top entry ball valves are available in various materials, sizes,
and pressure classes to suit different applications and operating conditions.
Full Bore Design: They often feature a full bore design, meaning that the ball
opening is of the same diameter as the pipeline, minimizing flow restrictions and pressure
drops.
Bi-Directional Flow: Top entry ball valves can usually operate in both
directions, allowing for bidirectional flow control.
Floating or Trunnion-Mounted Ball: Depending on the design, top entry ball
valves can have either floating or trunnion-mounted ball constructions. Trunnion-mounted designs
are better suited for higher pressure and larger size applications.
Actuation Options: These valves can be manually operated using a hand lever or
wheel, or they can be automated with electric, pneumatic, or hydraulic actuators for remote
control.
Wide Range of Applications: Top entry ball valves are commonly used in various
industries, including oil and gas, chemical, petrochemical, power generation, water treatment,
and more.
It's important to note that while top entry ball valves offer many benefits, their selection and use should be based on the specific requirements of the application, including factors such as pressure, temperature, flow rate, fluid type, and environmental conditions. Proper installation, operation, and maintenance are crucial for ensuring the optimal performance and longevity of these valves.
Top Entry Ball Valves Specification | |
---|---|
Design Standard | Basic Design: API 6D Face-Face / End-End dimension: API 6D, ASME B16.10, EN 558 Flange / BW Ends Dimension: ASME B16.5, EN 1092, ASME B16.25 Test: API 6D, BS 6755, API 607, API 6FA |
Sizes | 2″-30″ FB/RB |
Pressures | ANSI 150lb-1500lb |
Materials | Carbon steel, Low-Temp. Steel, Stainless steel, Duplex |
Ends | RF, RTJ, BW |
Fire Safe Design/Test: | API 607 or API 6FA |
ANSI Class / Rating | Class 150 ~ Class 1500 |
End Type: | RF, RTJ, BW |
Mode of Operation | Worm Gear, Wrench Nut, Electric, Pneumatic, etc. |
Application | on shore Oil & Gas, Off shore Oil & Gas, Refinery, Chemical, Petrochemical, Power plant |
DESCRIPTION | PRICE |
---|---|
Super Duplex Top Entry Ball Valve Price | $ 38.18 - $ 59 |
Carbon Steel Top Entry Ball valve for High temperature | $ 74.95 - $ 77 |
Duplex Steel Top Entry Ball Valve Price | $ 110.13 - $ 132 |
Buy Top Entry Ball Valves Best Price | $ 60.10 - $ 90 |
ASME B16.34 600LB Top Entry Ball Valve Price | $ 33.93 - $ 36 |
Stainless Steel Top Entry Ball Valve Best Price | $ 47.60 - $ 39 |
Top Entry Trunnion Mounted On-Off Ball Valve | $ 58.85 - $ 65 |
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Power Industry
Construction
Fertilizers Industry
Petrochemical
Oil & Gas Industry
Food Industry
Chemical Industry
Automotive Industry
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