Válvulas de esfera

  • Product Name Stainless Steel Flanged Floating Ball Valve
    Nominal Size 3″ (DN80)
    Pressure Rating Class 150LB
    Body Material 304 Stainless Steel (ASTM A351 CF8 / SS304)
    End Connection Flanged
    Construction Floating ball, two-piece / side-entry
    Bore Type Full bore (full port)
    Seat Seal Type Soft seated (PTFE / RPTFE / PPL)
    Fire Safe Design Optional, to API 607
  • Nominal Diameter (DN) DN50 ~ DN1200 (NPS 2″ ~ 48″)
    Nominal Pressure (PN) PN16 ~ PN420 (Class 150 ~ Class 2500)
    ASME Class 150, 300, 600, 900, 1500, 2500
    Connection Type Flanged (RF/RTJ), Butt weld
    Ball Rotation 0° ~ 90° (adjustable)
    Flow Characteristic Approx. equal percentage / linear
    Rangeability 250:1 ~ 300:1
    Seat Leakage (Soft) Zero / Class VI
    Seat Leakage (Metal) Class IV ~ V (optional Class VI for metal)
    Operating Torque 30% ~ 50% lower than floating ball design
  • Valve Type Trunnion Mounted Ball Valve
    Nominal Size 20 Inch (DN500)
    Pressure Rating Class 600 LB (PN100)
    Body Construction 3-Piece Body
    Body Entry Type Side Entry
    Body Material Forged Steel ASTM A105N (standard); A350 LF2 / A182 F316 optional
    Flange Connection RF (Raised Face) to ASME B16.5 Class 600
    Operation Manual gear operator (standard); electric or pneumatic actuator (optional)
    Application Large bore, high pressure pipelines in oil, gas, chemical, and other demanding services requiring high reliability and tight shut-off
  • Valve Type 2-Piece Floating Ball Valve
    Nominal Size DN100 (4 Inch)
    Pressure Rating PN16 (16 bar)
    Body Material Stainless Steel CF8 (ASTM A351 Gr. CF8 / 304)
    Body Construction 2-Piece Body, Side Entry
    Flange Connection RF (Raised Face) to EN 1092-1 PN16 or ASME B16.5 Class 150
    Operation Lever / Gear operator / Pneumatic / Electric (optional)
    Application Suitable for water, oil, gas, mild corrosive media; pipelines requiring low flow resistance and tight shut-off
  • Valve Type 2-Piece Floating Ball Valve
    Nominal Size DN100 (4 Inch)
    Pressure Rating PN16 (16 bar)
    Body Construction 2-Piece Body
    Body Material Stainless Steel (CF8M / 316) as standard; carbon steel optional
    Flange Connection RF (Raised Face) to EN 1092-1 PN16 or ASME B16.5 Class 150
    Operation Motorized Actuator
    Application Frequent on-off or remote control service; suitable for water, oil, gas, mild corrosive media
  • Design Standard API 6A / ISO 10423 (21st Edition)
    Size Range 1/2″ to 4″ (larger sizes limited by floating principle)
    Pressure Class 2,000 psi to 10,000 psi (data sheet focus: 10,000 psi)
    Temperature Class Class K (-60°C to +82°C) to Class U/V (up to +180°C)
    Product Specification Level (PSL) PSL 1, PSL 2, PSL 3, PSL 3G (typical: PSL 3G)
    Performance Requirement (PR) PR 1 (standard) / PR 2 (high cycle)
    Material Class AA, BB, CC, DD, EE, FF, HH (sour service: FF)
  • Nominal Size NPS 2″ (DN50)
    Pressure Rating ASME Class 600 LB (PN100)
    End Connection Raised Face Flange (RF) / Butt Weld (BW)
    Operation Type Lever / Wrench / Gearbox / Pneumatic Actuator / Electric Actuator
    Design & Manufacture Standard API 6D, ASME B16.34, ISO 17292
    Face-to-Face Dimension ASME B16.10, API 6D
    Flange Dimension ASME B16.5 (NPS ≤ 24″)
    Butt Weld End ASME B16.25
    Wall Thickness ASME B16.34
    Pressure Testing API 6D, API 598, ISO 5208
    Fire Safe Design API 607, API 6FA, ISO 10497
    Anti-Static Device Yes (BS 5353 / ISO 17292)
    Fugitive Emission ISO 15848-1 (Optional)
    NACE Compliance NACE MR0175 / ISO 15156 (Optional)
  • Flow Path Design Ball core with two internal passages arranged in X-shape; four channels arranged on equatorial circumferential section of the sphere
    Operation 90° rotation switches flow direction between two media simultaneously
    Port Configuration L-port, Double L-port (X-port), or T-port available
    Shut-off Bidirectional bubble-tight sealing
    Stem Design Anti-blowout stem with double O-ring seals for added protection
    Actuator Mounting ISO 5211 direct mounting
    Manual Override Built-in manual override mechanism for operation during power interruption
    Maintenance Compact design with reduced maintenance requirements
  • Valve Type 3 way multiport ball valve (L port or T port)
    Port Configuration L port (diversion / 2 position switching) or T port (mixing / blending / full bypass)
    Operation 90° or 180° rotation (depending on port design) achieves flow path change
    Shut off Bidirectional bubble tight sealing (zero leakage)
    Stem Design Anti blowout stem with double O ring seals
    Actuator Mounting ISO 5211 direct mounting interface
    Manual Override Built in manual override (handwheel or hexagon) for emergency operation
    Maintenance Low maintenance; PTFE seats and seals offer long cycle life

A ball valve is a type of quarter-turn valve that controls flow using a hollow, perforated, and pivoting ball inside the valve body. When the ball’s hole is aligned with the pipeline, fluid flows freely; when rotated 90 degrees, the flow is completely blocked. This simple mechanism makes ball valves highly reliable for shutoff and control applications. Ball valves are known for their tight sealing performance, durability, and ease of operation. They can handle high pressure and temperature conditions, and are suitable for gas, liquid, or even corrosive media, depending on the materials used. With minimal pressure drop and fast on-off control, ball valves are widely used in industries like oil and gas, water treatment, chemical processing, and general plumbing. They come in various types such as two-way, three-way, floating, and trunnion-mounted, and can be operated manually, pneumatically, or electrically.

Why Are Ball Valves Preferred In Industrial Applications?

Ball valves are favored in industrial systems due to their quick shutoff capability, tight sealing, and low maintenance design. Their quarter-turn mechanism allows for fast operation, reducing downtime in emergency situations. They offer a secure shutoff even after long periods of disuse, thanks to the ball's self-cleaning action as it rotates. The full-bore design of many ball valves allows for unobstructed flow, which minimizes pressure loss and makes them ideal for high-flow applications. Additionally, ball valves are available in a wide range of materials including stainless steel, brass, and PVC, allowing them to be used in different pressure, temperature, and corrosive environments. They are also easy to automate, making them ideal for systems that require remote control. With minimal moving parts, ball valves are more durable and less likely to leak or wear out, leading to reduced maintenance and lower operating costs over time.

Ball Valves FAQ

  • 1.What’s the main use of a ball valve?

    Quick shutoff and flow control.

  • 2.Is a ball valve full port or reduced port?

    It can be either, depending on the design.

  • 3.Can ball valves be used for gas?

    Yes, if the material and rating are appropriate.

  • 4.Do ball valves leak easily?

    No, they offer tight sealing when properly maintained.

  • 5.Are ball valves easy to automate?

    Yes, they support pneumatic and electric actuators.

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