Material reference
- Body
- ASTM A216 WCB / ASTM A351 CF8M
- Seat
- ASTM A182 F316 / Stellite overlay
- Ball
- ASTM A182 F304/coating / ASTM A182 F316/coating
- Stem
- ASTM A182 F6a / ASTM A182 F316
Material options cannot be combined arbitrarily; review medium, temperature and sealing requirements together.
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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