Pneumatic wafer butterfly valve 4 inch

This professional pneumatic wafer butterfly valve is configured with a heavy duty ductile iron body and a premium CF8 stainless steel disc, delivering reliable zero leakage fluid control for industrial water piping. Fitted with a resilient EPDM rubber seat, it offers exceptional bidirectional sealing performance. Driven by a powerful aluminum rack and pinion pneumatic actuator equipped with an integrated limit switch box and solenoid valve, this compact assembly ensures lightning fast, automated on off process security.

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The D671X series pneumatic wafer butterfly valve represents a highly efficient and economical automation package engineered for tight shutoff or isolation in water processing, HVAC, and low pressure industrial fluid networks Featuring a wafer style body design finished with an epoxy protective coating, it offers an incredibly short face to face dimension that minimizes pipeline stress and simplifies inline installation The quarter turn rotational movement is controlled by a solid CF8 stainless steel disc sealing against a full wrap concentric rubber seat, preventing any process medium from directly contacting the valve body Accompanied by a precision engineered rack and pinion pneumatic actuator that carries a pre wired limit switch box and pilot solenoid valve, this turnkey solution provides immediate visual position confirmation and seamless remote automation integration

Technical Specifications

Valve Design Classification Pneumatic Actuated Concentric Resilient Seated Wafer Type Butterfly Valve
Body Material Construction High Tensile Ductile Iron or Cast Iron with Protective Epoxy Coating
Valve Disc Component Premium Cast Stainless Steel CF8 ASTM A351 Grade Spec
Valve Seat Material Profile Durable Wear Resistant Full Sleeve EPDM or Nitrile Rubber
Actuator Operational Drive Double Acting High Torque Aluminum Rack and Pinion Pneumatic Actuator
Top Automation Accessories Pre Mounted Visual Limit Switch Box with Internal Micro Switches
Control Pilot Accessory Side Mounted Form Fitting NAMUR Interface Solenoid Valve Block
Nominal Pipe Joint Size 4 inch or DN 100 Equivalent Standard Pipeline Configuration
Main Flange Pressure Standards Multi Fit Bolt Pattern Matching JIS 5K 10K and ANSI Class 150
Pneumatic Control Air Supply 0.4 to 0.7 MPa Clean Dry Industrial Compressed Air Supply
Solenoid Valve Control Voltage 24 V DC or 220 V AC Electronic Coil Command Configurations
Air Joint Interface Fitting Threaded Female G 1 4 inch Air Supply Connection Openings
Electrical Conduit Entry Ports Dual Internal Threaded Cable Gland Ports for Electrical Wiring
Valve Shaft Stem Layout High Strength Stainless Steel Square Top Drive Shaft Pin Configuration
Body External Surface Treatment Heat Cured Corrosion Resistant Bright Blue Electrostatic Powder Coating
Internal Sealing Leakage Class Bubble Tight Zero Leakage Standard Compliance with API 598 Specifications
Flow Geometry Characteristic High Flow Coefficients and Concentric Disc Profile Minimizing Turbulences
Maximum Safe Working Temperature 80 degrees Celsius Ambient for Actuator and 120 degrees Celsius for EPDM Seat
Primary Media Suitability Industrial Fresh Water Waste Treatment Sewage HVAC Glycol Circuits and Mild Chemicals
Quality Verification Protocols Factory Hydrostatic Shell Integrity and Bi Directional Seat Tightness Pressure Checks