Butterfly Valves 8500 Triple Offset Oblique Technology (OCT)

Sizes:
3″ (80 mm) – 24″ (600 mm); larger sizes up to 72″ on request

Pressure Ratings:
ASME / ANSI Class 150 & 300; higher ratings up to 2500 on request

Temperature Range:
-47°C to +230°C (higher/lower temperatures available on request)

Design Features:

• Patented Oblique Cone Technology (OCT) for advanced sealing and control performance

• Suitable for both control and isolation duties

• Interchangeable seals and control trims for flexible configuration

• Streamlined one-piece disc maximizes Cv and minimizes flow restriction

• Torque-seated, self-compensating design for wear and temperature variation

• Dual anti-blowout protection and no internal bolting to prevent vibration issues

• OCT-SW variant for seawater service—isolates graphite to prevent galvanic corrosion

• Fully in-field serviceable with only basic tools

• Standard face-to-face dimensions to API 609 / ISO 5752 / ASME B16.10

• Fire-safe certified per ISO 10497, API 607 & API 6FA (#150 & #300)

• ISO 15848-certified fugitive emission packings

Seal Options:

• Laminate Seal

• Hybrid Polymer Metallic Seal

• Solid Metal Seal

Materials of Construction:

• Carbon Steel

• Stainless Steel

• Duplex / Super Duplex

• Aluminium Bronze

• Monel

• Titanium

• Other castable materials available upon request

Benefits:

• Zero-leakage sealing with Class IV / API 598 Zero shutoff

• Low noise and anti-cavitation trims available

• High Cv, low torque design for efficient flow control

• Repairable construction for reduced maintenance costs

• Reliable performance ensuring safe operations and minimum downtime