Double-offset Soft Seal Butterfly Valve

This Soft Seal Butterfly Valve is engineered to deliver outstanding performance, exceptional durability, and reliable sealing across a wide range of industrial applications. Its versatility, combined with innovative features, ensures optimal functionality for various media and conditions.

​

Features & Benefits

Double-Eccentric Seat Design: This configuration features an offset disc and stem, reducing seat wear and enhancing sealing performance.

Superior Sealing Performance: Bidirectional sealing ensures zero leakage during testing.

Low Flow Resistance: Minimal medium retention and smooth flow make it ideal for handling powders, pastes, and other viscous materials.

Compact and Lightweight Design: Simple structure with small dimensions, light weight, and low torque enables flexible and easy operation.

Quick and Efficient Actuation: Engineered for rapid opening and closing, offering flexible operation with minimal effort.

Versatile Application: Compatible with various working conditions and media thanks to a wide range of sealing material options.

Ease of Maintenance: Easy to disassemble and repair, with the flexibility to install in any position.

​

Performance Parameters

Design Standards: GB, API, ASME, EN, DIN, ISO, JIS, AWWA

Nominal Diameter: DN50–DN4000 (2"–160")

Nominal Pressure: PN2.5–PN50 (86LB–300LB)

Connecting Flanges: GB/T9113, ASME B16.5, ASME B16.47, AWWA C207, EN 1092 Series, ISO 7005 Series, JIS B2220, JIS B2212, GOST 33259

Material Options: Cast iron, ductile iron, nickel-chromium alloy cast iron, carbon steel, stainless steel, alloy steel, copper alloy

Sealing Materials: NBR, EPDM, VITON, silicone rubber, etc.

Rubber Lining Materials: CR (chloroprene rubber), NR (natural rubber), and others

Operation Methods: Handle, worm gear, electric, pneumatic, hydraulic, electric hydraulic

Temperature Range: -29°C to +200°C

Applicable Media: Water, seawater, oil, gas, and weak corrosive substances

​