Triple-Offset Butterfly Valve – BU05

Size Range 3" - 24" + (Larger sizes upon request)
Temp Range -46°C to +232°C
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Triple-Offset Butterfly Valve BU05 with Lugged Body Style in sizes 3" - 48"Triple-Offset Butterfly Valve BU05 Blurred image


Technical Data

Size Range

3" - 24" + (Larger sizes upon request)

Temperature Range

-46°C to +232°C

Body Style




Shut Off Class

API 598 (Zero Leakage), ISO 5208 Rate A


Body Materials

6Mo, Bronze, Duplex, Hastelloy® B, Hastelloy® C, Inconel® 625, Inconel® 825, Monel®, Nickel Aluminium Bronze, Super Duplex, Titanium

Obturator materials

Nickel Aluminium Bronze, Monel®, Bronze, Duplex, Super Duplex, Titanium, Inconel® 625, Inconel® 825, 6Mo, Hastelloy® B, Hastelloy® C

Stem Materials

Monel®, Duplex, Super Duplex, Titanium,
Inconel® 718

Seal Materials

PTFE, Graphite


Valve Design

API 609 Cat. B

Face to Face

API 609, Table X

Pressure Testing

API 598


PED 2014 / 68 / EU

Product Overview Benefits
Triple-Offset Butterfly Valve BU05 with Lugged Body Style in sizes 3" - 48"

Triple-Offset Butterfly Valve – BU05

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The benefits of the BU05 Triple-Offset lugged designed Butterfly Valve include:

  • Lugged body design provides a cost-effective solution for non-critical services
  • Laminated metal seat arrangement provides zero-leakage bi-directional sealing
  • Secondary metal seat provides fire-safe seal in the event of a fire, qualified to ISO 10497
  • Triple-offset design removes seat wear prolonging valve service life
  • Standard mounting interface(s) enable easy actuation
Achilles Member of BVAA BSI FM Approved UL Listed

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