Midland Wafer-Style Flangeless Butterfly Valve w/ Buna-N Seat & Lever Handle

Wafer-Style Body

The compact flangeless body is designed to fit between compatible mating flanges, helping minimize overall valve weight and installation length.

Ductile Iron Disc

The ductile iron disc rotates through the flow path to provide full shutoff or intermediate positioning for compatible throttling applications.

Lever Handle

The manual locking lever provides fast quarter-turn operation and secures the disc at multiple positions for controlled flow adjustment.

Compact Installation

• Thin wafer-style profile
• Fits between mating flanges
• Reduced installation length
• Lower overall valve weight
• Useful where piping space is limited

Simple In-Line Design

• No integral end flanges required
• Uses compatible mating flanges for installation
• Convenient for retrofit applications
• Simplifies many piping layouts
• Compact valve envelope

Resilient Sealing

The Buna-N seat provides a flexible sealing surface around the disc to support dependable bubble-tight shutoff.

Typical Compatibility

Buna-N is commonly used with water, air, oil, petroleum-based fluids, and many compatible general industrial media.

Strong Valve Body

The ductile iron body provides excellent mechanical strength and toughness for commercial and industrial piping applications.

Durable Disc

The ductile iron disc provides a rugged flow-control element designed for repeated opening, closing, and intermediate positioning.

Fast Quarter-Turn Control

• Quick opening and closing
• Direct manual operation
• Simple visual indication of valve position
• No gearbox required
• Convenient for routine isolation service

Multi-Position Locking

• Supports intermediate disc positions
• Useful for controlled flow adjustment
• Secures handle in selected positions
• Simple field operation
• Suitable for compatible throttling service

Water, Air & HVAC Systems

• Water distribution piping
• Air systems
• HVAC piping
• Mechanical utility systems
• Equipment isolation

Industrial Systems

• Plant utility piping
• Compatible oil service
• Petroleum-based fluid systems where compatible
• Process support systems
• General industrial flow control

Buna-N

Buna-N is commonly selected for applications involving oils and petroleum-based fluids in addition to water and air, subject to specific media and temperature compatibility.

EPDM

EPDM is commonly preferred for water, HVAC, and many general-purpose applications but is generally not recommended for petroleum oils and hydrocarbons.

Wafer-Style

A wafer-style valve is installed between mating flanges and typically relies on the flange bolting arrangement to hold the valve in position. Its compact design minimizes installation space and weight.

Lug-Style

A lug-style valve uses threaded mounting lugs around the body, allowing each flange side to be bolted independently and providing additional maintenance flexibility.

Lever Handle

A lever handle provides fast direct quarter-turn operation and is well suited where valve torque can be comfortably controlled manually.

Gear Operator

A gear operator provides greater mechanical advantage and slower, more controlled movement where higher operating torque is required.