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ETQ Metal-seated ball valve
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BALL VALVE / ETQ

ETQ Metal-seated ball valve

Two-piece cast steel floating ball construction with metal seats; flow direction is configuration-specific.

  • Metal-to-metal seating
  • Catalogue illustration shows a unidirectional configuration
  • Purge ports, stem extensions and actuation reviewed for the duty
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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 classPort designationNPS (in)Reference
Class 150full1/2–8 (catalogue range)Catalogue pp. 35, 36
Class 300full1/2–8 (catalogue range)Catalogue pp. 35, 36
Class 600full1/2–8 (catalogue range)Catalogue pp. 35, 36

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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