Delta T 900 Series | Triple Offset

PRODUCT DESCRIPTION

The Delta T Triple Offset Butterfly Valve represents the pinnacle of quarter-turn valve technology, designed specifically for demanding applications where zero leakage, durability, and precision control are essential. Engineered with an advanced triple offset geometry, these valves eliminate friction between the seat and disc during operation, ensuring Class VI / Bubble-Tight sealing while significantly extending service life.

With field-replaceable seats, blowout-proof stem design, and live-loaded packing, these valves deliver exceptional performance across a wide range of industries and applications. The innovative design allows for easy maintenance without compromising shut-off capability, making it ideal for critical services in chemical processing, power generation, and oil & gas applications.

FEATURES AND BENEFITS

• Triple offset geometry eliminates seat friction and extends service life
• Field-replaceable laminated body seat and disc seal rings
• Blow-out proof stem design meets API 609 safety standards
• Live-loaded packing gland optimized for automation
• ISO 5211 mounting pattern standard for easy automation
• Available in wafer, lug, and flanged body styles
• Bi-directional dead-end service capability
• Wide range of seat materials including PTFE, metal, and fire-safe options
• Multiple body and trim material combinations available
• 3-year limited warranty standard

APPLICATIONS

• Chemical and petrochemical processing
• Oil and gas production
• Power generation
• District heating and cooling
• Marine and offshore
• Mining and metals
• Pulp and paper
• General industrial

PERFORMANCE

• Sizes: 3" to 48" (DN80 to DN1200)
• Pressure ratings: ANSI Class 150, 300, and 600
• Temperature range: -20°F to 800°F (-29°C to 427°C)
• Zero leakage to API 598/ISO 5208 Rate A
• Certified to API 607/API 6FA fire test standards
• ISO 15848 certified for fugitive emissions control