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Ball Valve Summary and Characteristics


StartValves ball valves are designed to open and close by turning a handle attached to a ball inside the valve. The ball features a hole, or port, through its center, allowing flow when the port aligns with the ends of the valve. When closed, the hole is perpendicular to the valve ends, effectively blocking the flow. Evolving from plug valves, ball valves are also known as ball type plug valves. The ball, capable of a quarter turn (90°) around the spin axis, serves as the on/off control for the valve.
Key Features and Benefits of StartValves Ball Valves:

  • Flow Control and Direction: StartValves ball valves are used in piping systems to cut off, distribute, and change the flow direction of fluids. With a V-shaped opening, they also offer excellent flow control capabilities.
  • Ease of Operation: Requiring minimal rotating force and a quarter turn to close tightly, StartValves ball valves provide a low-resistance “green passage” with a completely equal lumen.
  • Advantages: Our ball valves offer a simple system structure, excellent sealing properties, and are compact in size, lightweight, and require less material and drive torque. They are easy to operate and repair.
  • Versatile Applications: Suitable for a wide range of media, including water, solvents, acids, natural gas, oxygen, hydrogen peroxide, methane, ethylene, and more. Ideal for both general and harsh working conditions.
    StartValves Ball Valve Characteristics:
    (1) Minimal Fluid Resistance
  • StartValves offers both RP (reduced port) and FP (full port) structures, both with very low fluid resistance.
  • The full port model, with a channel diameter equal to the pipe’s inner diameter, ensures minimal fluid resistance, making it ideal for systems like rocket launching and test systems.
    (2) Easy and Rapid Operation
  • StartValves ball valves can be easily and rapidly operated with a quarter turn (90°), suitable for automation systems with fast open-close requirements.
    (3) Outstanding Seal Property
  • The majority of StartValves ball valve seats are made of flexible materials like PTFE, ensuring tightness and durability without high machining accuracy requirements.
    (4) Long Life-span
  • Thanks to the self-lubricating properties of PTFE and advanced ball processing technology, StartValves ball valves can last over 100,000 cycles.
    (5) High Reliability
  • No mechanical abrasion or severe wear between the ball and seat.
  • Built-in stem structure prevents stem blowout.
  • Anti-static and fire-resistant designs for oil and natural gas applications.
    (6) Suitable for Viscous Fluids and Solids
  • The smooth channel of StartValves ball valves is ideal for conveying viscous fluids, serous, and solid particles.
    (7) Reliable in Corrosive and Low Boiling Point Liquids
  • StartValves ball valves operate without locking, even in the absence of lubricants, making them suitable for corrosive and low boiling point liquids.
    (8) Automatic Location and High Pressure Differential
  • The open-close control of StartValves ball valves allows for automatic location and can withstand high pressure differentials when closed.
    (9) Two-Way Seal
  • Achieves a complete two-way seal over a wide range of pressure and temperature conditions.
    (10) Seal Protection
  • The seal is isolated from high-speed medium flow when the valve is fully open or closed, preventing erosion.
    (11) Ideal for Low Temperature Systems
  • The compact and lightweight structure of StartValves ball valves makes them the ideal choice for low-temperature medium systems.
    (12) Symmetrical Valve Body
  • The symmetry of StartValves ball valves, especially in welding structures, allows them to withstand pipeline stresses.
    (13) Long-Lasting Fully Welded Ball Valves
  • StartValves fully welded ball valves can be buried underground, with a usable life span of up to 30 years, making them perfect for oil and natural gas pipelines.
    StartValves continues to innovate and provide high-quality ball valves for a variety of industries, ensuring reliability and performance in the most demanding applications.

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