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Supplier: DynaQuip Controls
Description: The DynaFly 70 Wafer and 72 Lug Series are the work horses of industrial butterfly valves. Pre-sized and preassembled with our MP series pneumatic actuators, these valves come standard with ductile iron body and disc and abrasion-resistant Buna-N Phenolic Backed Seat for stretch
- Actuation: Pneumatic
- Connection: Bolt Flange
- Material of Construction: Ductile Iron
- Media Description: Air, Water
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Supplier: DynaQuip Controls
Description: The DynaFly 70 Wafer and 72 Lug Series are the work horses of industrial butterfly valves. Pre-sized and preassembled with our MA series electric actuators, these valves come standard with ductile iron body and disc and abrasion-resistant Buna-N Phenolic Backed Seat for stretch
- Actuation: Electric
- Connection: Bolt Flange
- Material of Construction: Ductile Iron
- Media Description: Air, Water
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Supplier: Radwell International
Description: BUTTERFLY VALVE, W/DOUBLE ACTING ACTUATOR, 6 INCH SIZE, DIRECT MOUNT, WAFER STYLE, EPDM SEATS, NYLON COATED DUCTILE IRON DISC, 250 PSI WATER OPER PRESSURE, FACE TO FACE FLANGE VALVE CONNECTION. FREE 2 YEAR RADWELL WARRANTY
- Material of Construction: Ductile Iron
- Media Description: Water
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Supplier: Asahi/America, Inc.
Description: The Pool-Pro® butterfly valves are the first valves designed exclusively for the pool service industry. These cost-effective valves can be completely submerged in chlorinated water. The Pool-Pro®'s unique blue handle identifies that this valve is ideally
- Actuation: Manual / Hand
- Material of Construction: PVC, Other
- Media Description: Water
- Valve Size: 1.5 to 12 inch
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Supplier: BI-TORQ® Valve Automation
Description: FEATURES Durable cast iron gear operators Mounting kits available to mount gears to valves with non-ISO mounts Cast handwheels and chainwheel options
- Actuation: Manual / Hand, Other
- Connection: Bolt Flange
- Media Description: Air, Compressed Air, Water, Hot Water
- Valve Size: 2 to 12 inch
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Supplier: BI-TORQ® Valve Automation
Description: AUTOMATED CAST IRON BUTTERFLY VALVES BY-SERIES FEATURES Wafer and lug style cast iron BFVs 2" through 12" sizes standard SS stem and disc as standard EPDM, BUNA-N and Viton seats Direct mount for low-profile, cost-efficient operation Options for pneumatic, electric or gear operators
- Actuation: Manual / Hand, Electric, Pneumatic, Other
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Air, Compressed Air, Water, Hot Water, Cold Water, Ground Water, Salt Water, Wastewater, Other
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Supplier: BI-TORQ® Valve Automation
Description: Manual Wafer and Lug Butterfly Valve Features Wafer or lug style cast iron butterfly valves 2-8": with lever, 10" & 12" with gear opeator Standard stainless steel disc and stem Standard 10-position locking handle Cast iron gears available ISO direct mount for easy
- Actuation: Manual / Hand, Other
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Air, Compressed Air, Water, Hot Water
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Supplier: BI-TORQ® Valve Automation
Description: PY-SERIES FEATURES PVC, CPVC and polypropylene butterfly valves 2" through 12" standard sizes EPDM, BUNA-N and Viton seats Ideal for chemical or industrial applications, as well as pools and water parks Pneumatic, electric or gear operated Lightweight and low-profile design
- Actuation: Electric, Pneumatic, Other
- Connection: Bolt Flange
- Material of Construction: PVC
- Media Description: Air, Compressed Air, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Wastewater, Other
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Supplier: APV, An SPX Brand
Description: The APV DELTA butterfly valves from SPX are stop valves, which can be actuated either manually or pneumatically. The valves are very robust and reliable and the space saving design makes them ideal for nearly all applications - a flexible valve which is very easy
- Actuation: Manual / Hand
- Connection: Bolt Flange
- Media Description: Water, Powder / Solids
- Pressure Rating: 145 psi
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Supplier: Zurn Industries LLC
Description: The Zurn 6-F49 Fire Butterfly Valve provides a slow opening anti-waterhammer adjustment to control waterflow. An integral supervisory tamper switch provides a fire alarm control signal when the valve is moved from the open position. To view all options, see the Specification
- Media Description: Water
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Supplier: Zurn Industries LLC
Description: options and is also available with tamper switch equipped butterfly valves. To view all options, see the Specification Sheet -375ADA Features And Benefits Meters unauthorized water use in Fire lines Grooved or Flanged end connection options Available with tamper switch equipped
- Media Description: Water
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Supplier: Zurn Industries LLC
Description: Zurn Model 1-F49BR Fire Powerball Butterfly sprinkler control valve (1") provides for easy system shutoff to facilitate repair and maintenance. To view all options, see the Specification Sheet Features And Benefits 1" Fire Powerball Butterfly Valve Threaded
- Media Description: Water
- Valve Size: 1 inch
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Supplier: Zurn Industries LLC
Description: The Zurn 8-F49 Fire Butterfly Valve provides a slow opening anti-waterhammer adjustment to control waterflow. An integral supervisory tamper switch provides a fire alarm control signal when the valve is moved from the open position. To view all options, see the Specification
- Media Description: Water
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Supplier: Mueller Company
Description: " size valves the arch side of disc is closed and the flat side is open, forming a slightly concave surface.) Disc structure has no internal cores that can shift during casting, no hollow chambers that can collect water, freeze and fracture the disc. Disc edge has stainless steel
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Water
- Pressure Rating: 250 psi
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Supplier: Mueller Company
Description: " size valves the arch side of disc is closed and the flat side is open, forming a slightly concave surface.) Disc structure has no internal cores that can shift during casting, no hollow chambers that can collect water, freeze and fracture the disc. Disc edge has stainless steel
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Water
- Pressure Rating: 250 psi
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Supplier: Mueller Company
Description: " size valves the arch side of disc is closed and the flat side is open, forming a slightly concave surface.) Disc structure has no internal cores that can shift during casting, no hollow chambers that can collect water, freeze and fracture the disc. Disc edge has stainless steel
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Water
- Pressure Rating: 250 psi
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Supplier: Mueller Company
Description: " size valves the arch side of disc is closed and the flat side is open, forming a slightly concave surface.) Disc structure has no internal cores that can shift during casting, no hollow chambers that can collect water, freeze and fracture the disc. Disc edge has stainless steel
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Water
- Pressure Rating: 250 psi
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Supplier: Chemac Inc./Uraca/Uhde HPT/Gather/BHDT
Description: High Pressure Piping, Valves and Fittings Based on the High-pressure valves and fittings to IG standards for pressure ratings of 325 and 700 bar, Chemac Inc offers these for pressure ratings of 500, 1600, 2500, 3200, 3600 and 4000 bar in similar construction with lens-type gaskets
- Media Description: Air, Water, Gas
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Supplier: G.I.E. Inc.
Description: FEATURES1. Face to Face dimensions as per as perANSI B16.10150# Narrow / EN558-2 Series 20.2. Suitable for mounting betweenANSI B16.5 150#flanges3. Testing as perAPI 598 / EN12266-14. Stem connection and integrated actuator mountingflange as perISO5211.5. Spring loaded stem seal.6. Elastomeric
- Actuation: Manual / Hand, Pneumatic
- Agency / Standard: API, ISO
- Material of Construction: Cast Iron
- Media Description: Water
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Supplier: G.I.E. Inc.
Description: FEATURES1. Face to Face dimensions as per as perANSI B16.10150# Narrow / EN558-2 Series 20.2. Suitable for mounting onANSI B16.5 150# flanges3. Testing as perAPI 598 / EN12266-14. Stem connection and integrated actuator mountingflange as perISO5211.5. Spring loaded stem seal.6. Elastomeric backing
- Actuation: Manual / Hand, Pneumatic
- Agency / Standard: API, ISO
- Connection: Bolt Flange
- Material of Construction: Cast Iron
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Supplier: Bray Commercial
Description: Bray’s NY and AB series resilient seated butterfly valves set the design standard for quality, reliability and long life in a wide variety of HVAC applications. Specifically designed for automated applications on chilled water, hot water and condenser water, all AB
- Actuation: Electric, Pneumatic
- Connection: Bolt Flange
- Flow (Cv): 61 to 22339
- Material of Construction: Cast Iron
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Supplier: Bray Commercial
Description: Bray’s NY and AB series resilient seated butterfly valves set the design standard for quality, reliability and long life in a wide variety of HVAC applications. Specifically designed for automated applications on chilled water, hot water and condenser water, all AB
- Actuation: Electric, Pneumatic
- Connection: Bolt Flange
- Flow (Cv): 61 to 22339
- Material of Construction: Cast Iron
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Supplier: AVK International A/S
Description: AVK centric butterfly valves with fixed liner feature an outstanding seating concept. The rubber is injection moulded directly on the valve body forming a permanent bond. Consequently, there is no risk of deformation or dislocation of the liner making the valves suitable
- Actuation: Manual / Hand, Pneumatic
- Agency / Standard: AWWA, DIN
- Connection: Bolt Flange
- Material of Construction: Ductile Iron
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Supplier: Bray Commercial
Description: The Bray McCannalok MK Series high performance butterfly valves set the quality and design standard by which all other high performance valves are measured. The MK Series is ideally suited to high pressure, high temperature, and high cycle HVAC applications as well as mission
- Actuation: Electric, Pneumatic
- Connection: Bolt Flange
- Flow (Cv): 160 to 13500
- Material of Construction: Stainless Steel, Steel
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Supplier: AVK International A/S
Description: AVK offers butterfly valves with fixed liner with three different connections; wafer, semi lug and double flanged. All butterfly valves are supplied with approved gear box, handwheel and opening indicator. Most of AVK’s products in the fire protection range hold
- Actuation: Manual / Hand
- Agency / Standard: DIN
- Connection: Bolt Flange
- Fire Service: Yes
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Supplier: Bray Commercial
Description: The Bray McCannalok MK Series high performance butterfly valves set the quality and design standard by which all other high performance valves are measured. The MK Series is ideally suited to high pressure, high temperature, and high cycle HVAC applications as well as mission
- Actuation: Electric, Pneumatic
- Connection: Bolt Flange
- Flow (Cv): 160 to 13500
- Material of Construction: Stainless Steel, Steel
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Supplier: NIBCO INC.
Description: Polyamide Coated Ductile Iron Grooved Butterfly Valves for use in commercial mechanical applications. Hot and cold domestic water, HVAC, Condenser and chilled water. Butterfly valves provide bi-directional dead-end service in commercial and industrial
- Actuation: Manual / Hand, Electric
- Fire Service: Yes
- Material of Construction: Ductile Iron
- Media Description: Water, Hot Water, Cold Water
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Supplier: NIBCO INC.
Description: NIBCO® HydraPure®, a new generation of lead-free valves and cast fittings comprised of Silicon Performance Bronze® alloys designed to meet the stringent lead-free laws. Unlike brass alloys, our Performance Bronze alloy used in the manufacture
- Actuation: Manual / Hand
- Media Description: Water, Potable Water
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Supplier: NIBCO INC.
Description: Flanged Butterfly Valves for use in commercial and light industrial applications. Hot and cold domestic water, HVAC, Condenser and chilled water, compressed air and vacuum services. Butterfly valves provide bi-directional dead-end service in commercial and
- Actuation: Manual / Hand
- Connection: Bolt Flange
- Material of Construction: Ductile Iron
- Media Description: Water, Cold Water
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Supplier: NIBCO INC.
Description: Cast Iron Butterfly Valves (Economy Line) for use in commercial and light industrial applications. Hot and cold domestic water, HVAC, Condenser and chilled water. Butterfly valves provide bi-directional dead-end service in commercial and industrial service.
- Actuation: Manual / Hand
- Connection: Bolt Flange
- Material of Construction: Cast Iron
- Media Description: Water, Hot Water, Cold Water
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Supplier: Crane Fluid Systems
Description: Features & Benefits Aluminium Bronze disc Stainless steel shaft Trigger lever Valves are suitable for use with flanges conforming to BS EN 1092-2 PN10 or PN16 and ANSI B16.1 Class 125 F621 is WRAS approved
- Material of Construction: Ductile Iron
- Media Description: Water
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Supplier: Crane Fluid Systems
Description: Features & Benefits Manufactured to BS EN 593: 2009 Complies with Pressure Equipment Directive 97/23/EC Suitable for Gearbox or Actuator operation Rugged construction: Ductile Iron Body for all sizes Stainless Steel disc as standard Epoxy paint coated as standard Low operating torques
- Material of Construction: Cast Iron
- Media Description: Water
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Supplier: Crane Fluid Systems
Description: Features & Benefits Aluminium Bronze disc Stainless steel shaft Gearbox operated Valves are suitable for use with flanges conforming to BS EN 1092-2 PN10 or PN16 - Sizes 65-200mm BS EN 1092-2 PN16 flanges only - Sizes 250-600mm PN16 only F625 sizes 50-300mm are WRAS approved
- Material of Construction: Ductile Iron
- Media Description: Water
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Supplier: Crane Fluid Systems
Description: Features & Benefits Aluminium Bronze disc Stainless steel shaft Trigger lever Valves are suitable for use with flanges conforming to BS EN 1092-2 PN10 or PN16 F624 is WRAS approved
- Material of Construction: Cast Iron
- Media Description: Water
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Supplier: World-Valve B.V.
Description: The 756 series double eccentric butterfly valves are utilised in water intake systems, cooling water systems, filtering systems and industrial waste water in the power industry,chemical and petro chemical waste water plants, steel industry. Tilted fixated
- Agency / Standard: API, DIN, ISO
- Connection: Bolt Flange
- Fire Service: Yes
- Material of Construction: Stainless Steel, Steel
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Supplier: World-Valve B.V.
Description: double eccentric butterfly valves are suited for service of liquids and gasses in oil and gas processing, offshore, power, marine, steel, chemical and petro chemical industry. Standardized actuation flange Double offset shaft position Pre-loaded double shaft packing
- Agency / Standard: API
- Connection: Bolt Flange
- Fire Service: Yes
- Material of Construction: Exotic Metal, Stainless Steel, Steel
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Supplier: World-Valve B.V.
Description: The centric butterfly valves are executed with an Ultralene coated liner for services in abbrasive, low adhesion and high corrosive applications like slurries, mining industry, flue gas desulpherisation, desalination plants. Standardized actuation flange One piece blow
- Agency / Standard: DIN
- Connection: Bolt Flange
- Material of Construction: Brass / Bronze
- Media Description: Water, Ground Water, Wastewater, Other
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manually actuating standby sea water pump and opening outlet butterfly valve 7.65E-04 .
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I am struglling to find the best rubber to be used on a butterfly valve with a medium of sea salty water , the current EPDM becomes hard after sometime and cracks, .
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I have used butterfly valves on vessels for cooling water control and sea water control, and they can only be used for rough adjustments.
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Various butterfly -type valves are installed in the sea - water system, the valve stem normally being made of Monel * alloy 400, with an AI-bronze butterfly.