Ball Valves · Floating Ball Valves
A182 F316L Floating Ball Valves
A concrete SKU in the SS316L floating-ball axis: ASTM A182 Grade F316L forged body, full bore, floating-ball seating, RPTFE seat, Class 800, 1 inch, socket-weld ends (model LD 17 BV 18). It is the small-bore, high-integrity stainless execution that forged F316L stock makes possible above cast-valve class limits.
Part of the Floating Ball Valves family
Last updated: 2026-11
Specifications
| pressure class | Class 800 |
|---|---|
| product designation | Full Bore Floating Ball Valve |
| material | ASTM A182 Gr.F316L |
| seal seat material | RPTFE |
| size | 1 Inch |
| end connection | Socket Weld |
| chemical composition 316l | 316L 0.03 0.75 2.00 0.045 0.03 10.0–14.0 16.0–18.0 0.1 2.00–3.00 485 170 |
| tensile strength min | 485 |
| yield strength min | 170 |
| surface treatment | No |
Application & selection guidance
Use this execution as the reference point for Class 800 small-bore stainless isolation: the forged A182 F316L body and socket-weld end suit high-pressure instrument and process headers where a cast Class 150-300 body would be the weak point. Floating-ball seating is the right design at this size; trunnion mounting takes over at larger diameters and higher classes.
Frequently asked questions
Why forged A182 F316L instead of a CF8M cast body?
The page specifies ASTM A182 Gr.F316L - a forged wrought material with a denser grain structure for high-pressure, high-integrity service; at Class 800 the forged body is the standard route where a cast floating body would not carry the rating.
What are the exact specifications of the benchmark model?
Model LD 17 BV 18: full bore floating ball valve, ASTM A182 Gr.F316L, RPTFE seal and seat, Class 800, 1 inch, socket-weld connection.
Does the floating design still work at Class 800?
At 1 inch bore the line pressure seats the floating ball downstream onto the RPTFE seat without excessive operating torque; trunnion-mounted executions take over as size grows, as the 24-inch SS316L trunnion benchmark page in this family shows.
Ordering & documentation
Documents
Ask for the documentation set you need with the inquiry — 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 — 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 — seat compounds age fastest in direct sunlight and freezing conditions.
Knowledge: selection guides
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