Revolutionary Design for Precision Flow

Soft Seated Trunnion Ball Valves

Chaoda is proud to offer a unique combination in the Soft Seated Ball Valve industry.

Using field proven designs, the latest in processing technology, and high efficiency manufacturing we have created the highest quality Soft Seated Ball Valve at an extremely affordable price.

Available in floating and trunnion mounted designs, our soft seat ball valves have been installed in a wide array of refinery, chemical and pipeline applications around the globe.

Take a Look Inside!

Superior Parts for a Superior Valve

1. Body – Provides structural integrity.

2. Precision Machined Ball – Maximized sealing surface for reliable isolation.

3. Machined Seat Rings With Soft Insert – For a perfect seal.

4. Body and Trunnion Seal – For ball support and pressure integrity.

5. Seat Spring- For consistent loading of ball to seat interface.

6. Stem – High strength for maximum safety.

7. Trunnion Bushing – Helps ensure consistent operating torque.

8. Stem Packing – Provides for excellent stem sealing.

9. Packing Gland and Follower – Provides adjustments for stem sealing ability.

10.Spring Loaded Gland – Maintains load on stem packing.

11. ISO Mounting Bracket – Standardized to fit most actuators.

12. End Connection – Flanged connection shown, other options available.

Dimensions & Ranges

Design Options

  • Design Standard:
    API 608, API 6D, ASME B16.34, API 607

  • Size Range:
    2” to 36” *

  • Pressure Range:
    Class 150 thru 2500 *

  • End Connections:
    Flanged RF & RTJ, Buttweld *

  • Inspection and Testing:
    API 598 test with no visible leakage, API 6D, API 641

  • Pressure-Temperature Ratings:
    ASME B16.34

  • Flanged End Dimensions:
    ASME B16.5 (≤24”), ASME B16.47 Series A or B (>24”)
  • Butt Weld End Dimensions:
    ASME B16.25

  • Face To Face Dimensions:
    ASME B16.10

  • Threaded End Dimensions:
    ASME B1.20.1

  • Socket Weld End Dimensions:
    ASME B16.11

Refer to catalog for dimensional information.
*Consult sales team for additional sizes, pressure classes and end connections.

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Specification Sheet

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