Ball Valves Β· Two-Piece Ball Valves
Two Piece Threaded Ball Valves
Two piece threaded ball valves are the general-purpose threaded-end execution of the two-piece floating-ball line: CF8/CF8M stainless, cast iron or carbon steel bodies, SS304 ball and stem with PTFE sealing throughout, sized DN15 to DN100 for PN1.6 to 6.4 MPa. The benchmark page declares water, oil, gas and some corrosive liquids as the applicable media, with butt-weld ends dimensioned to ANSIB16.25.
Part of the Two-Piece Ball Valves family
Last updated: 2026-11
Specifications
| size range | DN15 to DN100 |
|---|---|
| pressure class | PN1.6 to 6.4MPa |
| body materials | CF8, CF8M, Cast Iron, Carbon Steel |
| body materials | CF8, CF8M, Cast Iron, Carbon Steel |
| ball materials | SS304 |
| stem materials | SS304 |
| seal ring | PTFE |
| applicable medium | water, oil, gas |
| butt welding standard | ANSIB16Β·25 |
Application & selection guidance
Select this execution for utility and process lines - water, oil, gas and mildly corrosive liquids - where a threaded or butt-weld two-piece valve covers the duty at PN1.6 to 6.4 MPa and DN15 to DN100. Pick the body family (CF8/CF8M stainless for corrosive media, cast iron or carbon steel for utility service) against the medium, and confirm the ANSIB16.25 butt-weld standard where welded ends are specified.
Frequently asked questions
What media is this threaded ball valve execution rated for?
The benchmark page declares water, oil, gas and some corrosive liquid. For the corrosive end of that range the CF8/CF8M stainless body with SS304 ball, SS304 stem and PTFE seal ring, gasket, thrust washer and packing is the matching material route; cast iron and carbon steel bodies serve the utility end.
Which sizes and pressures does the execution cover?
The benchmark page lists DN15 to DN100 nominal diameter at PN1.6 to 6.4 MPa nominal pressure, with butt-weld ends to ANSIB16.25. That envelope covers typical utility and process branch lines; check the dimension table for the per-size face-to-face and bore.
How does the two piece construction affect maintenance?
The two-body split lets the ball, seats and seals be reached from one end without removing the valve body from the line - the benchmark parts list (body, bonnet, ball, stem, gland nut, washer, stem nut, seal ring, gasket, thrust washer, packing, handle) is fully serviceable through that split. Plan maintenance access on the side that carries the removable body half.
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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