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Butterfly Control Valves

Control Specialties offers control valves ranging from air operated valves to temperature regulators. Our control valves are available as single seat design for tight shut-off as well as double seat design. Our air operated controllers are for temperature and pressure applications. The self-operating temperature and pressure regulators come in connection sizes ranging from 1/2" all the way up to 6" with numerous temperature ranges and materials of construction to meet your application needs.



Apollo Series 141/143 Butterfly Valves 
Apollo Series 141/143 Butterfly Valves
Apollo® 141/143 Series butterfly valves offer an economical design that’s ideal for use in industrial and HVAC/mechanical applications. These general purpose valves offer reliable performance in all t ...

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Dezurick BGS Butterfly Valve 
Dezurick BGS Butterfly Valve
Design Features: The seat is made of a highly wear resistant elastomer with a phenolic backup ring on the 2-14" sizes and aluminum on sizes 16-36". This combination provides a soft, elastic seat which ...

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Dezurick BHP High Performance Butterfly Valve 
Dezurick BHP High Performance Butterfly Valve
Design Features: High Performance Butterfly Valves are designed for shutoff and throttling control of liquids and gas. The dynamic PTFE seat provides bubble-tight shutoff in both directions. The Fyre- ...

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Dezurick BRS Butterfly Valve 
Dezurick BRS Butterfly Valve
Major Markets: Water, paper, wastewater, air conditioning, power, chemical

Design Features: The BRS Resilient Seated Butterfly Valve is an industrial grade rubber lined butterfly valve used ...

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Grinnell Series 1000 Butterfly Valves 
Grinnell Series 1000 Butterfly Valves
Series 1000 Butterfly Valves


BODY
One-piece bodies are available in both wafer and full tapped lug designs. The standard longneck body provides full clearance for 2-inches of ins ...

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Grinnell Series 8000 Butterfly Valves 
Grinnell Series 8000 Butterfly Valves
Series 8000 Butterfly Valves


BODY
One-piece bodies are available in both wafer and full tapped lug designs. The standard longneck body provides full clearance for 2-inches of ins ...

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Grinnell Series GHP High Performance Butterfly Valves 
Grinnell Series GHP High Performance Butterfly Valves
Series GHP High Performance Butterfly Valves

Body Material & Standard:
Carbon Steel
ASTM A216-WCB or
316 Stainless Steel
ASTM A351-CF8M

DISC Material & Standard:
...

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Grinnell Winn Hi Seal High Performance Butterfly Valves 
Grinnell Winn Hi Seal High Performance Butterfly Valves
Winn Hi-Seal High Performance Butterfly Valves




Body Material & Standard:
Carbon Steel ASTM A 216-WCC (ASTM A216 WCB available upon request) or 316 Stainless Steel ASTM ...

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Hayward Actuator Ready Butterfly Valve 
Hayward Actuator Ready Butterfly Valve
Butterfly Valves Equipped for Actuator Mounting 1-1/2" to 24", with PVC, CPVC or PPL Bodies with PVC, CPVC, PPL or PVDF Discs

Features:

Fully supported flange bolt holes
Positiv ...

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Hayward Butterfly Valves 
Hayward Butterfly Valves
Butterfly Valves
1-1/2" to 12", PVC, Corzan® CPVC & PPL Bodies with PVC, Corzan® CPVC, PPL or PVDF Discs

Features:

Rated at 150 PSI
Full Body V Notched Liner
Fully S ...

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Hayward Large Butterfly Valves 
Hayward Large Butterfly Valves
Large Diameter Fabricated Butterfly Valves
14",16", 18", 20, & 24" - Natural PPL

Features :

Stress Relieved Construction
Type 316 Stainless Steel Stem
Sphered Disc fo ...

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Quadrant BFVA Butterfly Valve 
Quadrant BFVA Butterfly Valve
• ASTM A-395 Ductile Iron Bodies
• Unique ISO 5211 Mounting Pattern &
Square Stem*
• Lug Style Valves have Seat Retaining Bolts
allowing Dead-End Service without
Downstream Flange< ...

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Quadrant BFVC Butterfly Valve 
Quadrant BFVC Butterfly Valve
• Standard ASTM A536 Ductile Iron Bodies
• Unique ISO 5211 Pattern & Square Stem*
• Seat Retaining Bolts on Lug Valves Provide
200PSI Dead-End Service Without Downstream
Flange
• S ...

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Quadrant BFVD Butterfly Valves 
Quadrant BFVD Butterfly Valves
• Standard ASTM A536 Ductile Iron Bodies
• Unique ISO 5211 Pattern & Square Stem*
• Seat Retaining Bolts on Lug Valves Provide
200PSI Dead-End Service Without
Downstream Flange
• S ...

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Quadrant BFVT Butterfly Valve 
Quadrant BFVT Butterfly Valve
•Electroless Nickel Plated Cast Iron Body
•Standard Aluminum Bronze Disc
•Standard 416 Stainless Stem
•Standard 304 Stainless Internal Fasteners
•Grease Fitting in Stem Provides Stem
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Services & Installation

Control Specialties is your single source supplier for all of your control valve and controller needs. We offer valves and controllers from Trerice, Warren, Ashcroft, Partlow and more. See our Tech Tips for the "Do's and Don'ts" for designing control systems.

 
Warren Control Valves
Safety Valves and ASME Codes
Safety Valve Tips
Control Valve Failures
Steam Control Valves
Pressure Reducing Valve Tips
Burkert
Warren Control Valves
Watson McDaniel Steam Control Valves
Actuated Valves
Valve Tips
Flexible Metal Hose
CAN ACTUATORS BE CHANGED?
Control Valve Trouble Shooting
 
» More Tips on Butterfly Control Valves