Material reference
- Body & cap
- ASTM A105
- Seat
- PTFE
- Ball
- ASTM A182 F316
- Stem
- ASTM A182 F6a
- Packing
- PTFE/Graphite
Material options cannot be combined arbitrarily; review medium, temperature and sealing requirements together.
BALL VALVE / SQ
SQ Three-piece floating ball valve
A three-piece forged body with side-entry construction and socket-weld ends.
- Three-piece forged body
- Split-body, side entry
- Socket-weld ends
SIZE & CLASS
Sizes by pressure class
Sizes are organized from the company’s historical catalogues for preliminary selection. Current availability, pressure–temperature limits, materials and dimensions are subject to approved data sheets and drawings.
| Pressure class | Port designation | NPS (in) | Reference |
|---|---|---|---|
| Class 800 | full | 1/2 · 3/4 · 1 · 1-1/2 · 2 | Catalogue pp. 13, 14 |
Documents & selection inputs
Include medium, design and operating pressures, temperature, quantity, ends and operation. Specify applicable acceptance criteria for fire testing, fugitive emissions or other special tests.
Drawings, dimensions, torque and inspection documents are reviewed for the selected construction. Design references in historical catalogues are not certification claims.
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