Description

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Wafer Butterfly Valve: Efficient & Compact Flow Control Solution

Overview

The Wafer Butterfly Valve is a highly versatile and cost-effective solution for on-off and throttling applications across various industries. Characterized by its lightweight, compact design, this valve is engineered for efficient fluid control with minimal pressure drop. Its "wafer" style means it's designed to be sandwiched between two pipe flanges, providing a secure and reliable seal without the need for additional body flanges or extensive bolting, making installation straightforward and economical.

Key Features

• Wafer Body Design: Compact and lightweight, designed for installation between standard pipe flanges (e.g., ASME B16.5, EN 1092-1). Reduces overall pipeline weight and space requirements.
• Resilient Seating: Equipped with an elastomer seat (EPDM, NBR, Viton, PTFE) that provides a tight, bi-directional shut-off, ensuring zero leakage when closed.
• Low Operating Torque: Engineered for smooth, easy operation, reducing stress on actuators and extending service life.
• Bi-Directional Flow: Capable of controlling flow in both directions, simplifying installation and reducing the need for multiple valve types.
• Streamlined Disc Profile: Minimizes turbulence and pressure drop, leading to energy savings and efficient fluid transfer.
• 90-Degree Operation: Quick open-to-close action (quarter-turn) for rapid response and precise control.
• Material Versatility: Available in a wide range of body, disc, and seat materials to suit diverse media, temperatures, and corrosive environments.
• Stem Blow-out Proof Design: Ensures operational safety by preventing the stem from being expelled from the valve body.
• Top Flange for Actuation: ISO 5211 compliant top flange allows for easy mounting of manual levers, gear operators, pneumatic, or electric actuators.

Benefits

• Cost-Effective: Lower manufacturing cost due to simpler body design, translating to a more economical purchase price.
• Easy & Quick Installation: Simple sandwiched design between flanges significantly reduces installation time and labor costs.
• Space-Saving: Its compact form factor is ideal for installations where space is at a premium.
• Reduced Maintenance: Simple design with minimal moving parts contributes to long operational life and low maintenance requirements.
• Energy Efficiency: Low pressure drop across the valve helps reduce pumping costs and improve system efficiency.
• High Reliability: Robust construction and effective sealing ensure dependable performance even in demanding conditions.

Typical Applications

• Water Treatment: Potable water, wastewater, irrigation systems.
• HVAC: Heating, ventilation, and air conditioning systems.
• Fire Protection: Sprinkler systems and fire mains.
• Chemical Processing: Non-corrosive and mildly corrosive fluid handling (material dependent).
• Food & Beverage: Certain hygienic applications (with appropriate materials and certifications).
• Industrial Utilities: Cooling water, compressed air, industrial gas.
• Marine & Shipbuilding: Seawater and freshwater systems.
• Oil & Gas: Non-critical, general utility applications.

Technical Specifications

Materials of Construction