Top Entry Ball Valve

KATA series BT top entry ball valves in sizes 2″ to 24″, Class 150–2500LB — top-entry trunnion supported design with seat-retraction technique for in-line repair without dismantling from the pipeline. Each seat shuts off the line fluid independently on the upstream side, making the series suitable for double block and bleed application. Secondary sealant injection for stem and seat is provided for emergency sealing of accidental leakage.

Size

NPS 2″–24″

Pressure rating

Class 150–2500LB

End connection

ASME B16.5 · B16.25 · B16.47

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Design Features

In-line maintenance — no dismantling from pipeline
Double block and bleed (independent upstream seats)
Emergency sealant injector (stem & seat)
Anti-static device
Blow-out proof stem
Fire-safe design (BS 6755 · API 6FA)
Soft or hard seat option

Standards

API 6D · API 608 · BS 5351 · ASME B16.34