Overview
Top Line's Butterfly Valves are designed for use in sanitary and fine chemical fields, offering advanced design and superior craftsmanship. They are extensively tested and evaluated, ensuring a leadership position in the industry.

Important Features

• 360-degree installation capability.
• Design minimizes turbulence and maximizes fluid flow.
• Delrin bushings for smooth disc action.
• Easy field service with minimal parts and no special tools required.
• Self-draining with sanitary finish on wetted surfaces.
• Available with air and electric actuators and a variety of controls.
• USDA approved.

Mechanical Specifications

• Sizes available: 1”, 1-1/2”, 2”, 2-1/2”, 3”, 4”, and 6”.
• Materials: AISA 304 or AISA 316L stainless steel.
• Seals: Platinum Cured Silicone (standard), EPDM, and Viton®.
• Connections: Clamp, butt weld, and bevel seat (optional).
• Four-position spring-loaded flat handle with open, closed, and two intermediate settings.
• Pressure ratings: 1" to 4" up to 145 PSI at 68°F; 6" up to 90 PSI at 68°F.
• Vacuum rating: Up to 14.2 PSI at 68°F.
• Temperature range: +15° to 200°F (-10° to 95°C).

Dimensional Specifications
The document provides detailed dimensional specifications for various valve sizes, including face-to-face, handle center to end, center to top of handle, and body diameter measurements.

Additional Information
Replacement seals are available in Platinum Cured Silicone, Viton®, or EPDM. Other connections and exotic materials are available upon request. For further assistance, contact Top Line representatives.