Ball Valves Β· Floating Ball Valves
Forged Floating Ball Valves
Forged floating ball valves are the forged-body execution of the floating principle: line pressure seats the ball against the downstream seat, and the forged A105/A182 construction suits high-pressure, high-integrity service where a casting would be the weak point. The collected benchmark page covers DN15 to DN200 in PN10 to PN160 and Class 150 to Class 2500, with RF, RTJ and butt-weld ends, PTFE-family or metal seats and handle, gear or electric operation.
Part of the Floating Ball Valves family
Last updated: 2026-11
Specifications
| size range | DN15 to DN200 |
|---|---|
| pressure class | PN10 to PN160, Class 150 to Class 2500 |
| body materials | WCB, A105, CF8, CF8M |
| body materials | WCB, CF8, CF8M, A105 |
| seat materials | EPDM, Metal, Viton, PTFE, NBR |
| ball materials | A105, SS304, SS316 |
| stem materials | F6a, SS304, SS316 |
| end connections | RF, RTJ, BW |
| operation | Handle, Gear Operated, Electric Actuated |
| design standards | ASME B16.34, BS5351, API 6D, API 608 |
| testing standards | API 598, API 6D |
| face to face | ASME B16.10, API 6D |
| flange standards | ASME B16.5 |
Application & selection guidance
Select by working pressure class first β the forged execution reaches Class 2500, above where cast floating bodies usually stop β then by seat material against line temperature (PTFE-family and elastomer seats versus metal seats for hot or abrasive service) and by end connection against the piping standard (RF/RTJ flanges per ASME B16.5 or butt-weld ends per ASME B16.25). At large bore or high torque duty the floating principle itself becomes the limit; there specify a trunnion-mounted execution instead of treating the two as interchangeable.
Frequently asked questions
Forged floating ball valve vs cast floating ball valve β what is the difference?
Both use the floating-ball seating principle; the difference is the body manufacturing route. A forged body (A105, CF8, CF8M executions) has a denser grain structure and is the usual choice for higher pressure classes and critical service, while cast bodies (WCB, CF8M castings) are more economical in the common Class 150 to 600 range. The collected benchmark page lists both forged and cast grades among its body material options, so the material certificate and pressure class β not the family name β should drive the choice.
Which pressure class and seat material should I pick?
Match the pressure class to the line design rating first: this execution spans PN10 to PN160 and Class 150 to Class 2500. Then pick the seat against media temperature β PTFE and elastomer seats (EPDM, NBR, Viton) cover most chemical, water and hydrocarbon duty within their temperature limits, and metal seats serve hot, dirty or abrasive media. Confirm the exact seat-versus-temperature pairing at quotation.
What information is needed to quote a forged floating ball valve?
Provide nominal size (DN15 to DN200 on the benchmark page), pressure class or PN rating, body and seat material preference, end connection (RF, RTJ or butt weld), operation (handle, gear or electric actuator), and the service medium with temperature. Those five to six data points let a quotation specify the exact execution and documentation set.
Ordering & documentation
Documents
Ask for the documentation set you need with the inquiry β typical items for this execution (material certificates, test reports to the listed inspection standard, dimensional drawings) are confirmed and supplied with the quotation.
Quotation
A quotation-ready inquiry states: nominal size and pressure rating, body and seat material preference, end connection, operation, and the service medium with temperature. Typical values on this page are benchmark reference ranges; the binding values are confirmed at quotation.
Sample & supply
Supply terms, order quantities and lead time are agreed per order β state the destination country and required schedule with the inquiry.
Storage & shipping
Store valves with seats and seals protected from UV, ozone and deformation, keep end-face protectors on until installation, and for elastomer- or PTFE-seated executions avoid prolonged outdoor storage β seat compounds age fastest in direct sunlight and freezing conditions.
Knowledge: selection guides
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