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YQ Uni-body floating ball valve
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BALL VALVE / YQ

YQ Uni-body floating ball valve

A cast uni-body, end-entry design with regular / reduced port.

  • Uni-body construction
  • Blowout-proof stem
  • Locking and live-loading options subject to configuration review
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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 150regular/reduced1/2 · 3/4 · 1 · 1-1/2 · 2 · 2-1/2 · 3 · 4 · 6 · 8 · 10Catalogue pp. 7, 8
Class 300regular/reduced1/2 · 3/4 · 1 · 1-1/2 · 2 · 2-1/2 · 3 · 4 · 6 · 8 · 10Catalogue pp. 7, 8

Material reference

Body
ASTM A216 WCB / ASTM A351 CF8M / ASTM A352 LCB
Seat ring
R-PTFE
Ball
ASTM A105/ENP / ASTM A182 F316
Stem
ASTM A182 F6a / ASTM A182 F316
Packing
PTFE/Graphite

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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