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BYV Series Butterfly Valves
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Butterfly Valves
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BYV Series Butterfly Valves
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Item # BYV11040A0NL000
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Item # BYV11040A0NL000, BYV Series Butterfly Valves
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The revolutionary hand lever design features a 72 spline interlock mechanism allowing for 19 stopping positions every 5 degrees. Additionally, the hand lever material incorporates a UV inhibitor for enhanced performance in outdoor applications.
Specifications
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Sample Specification
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Typical Applications
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Key Features, Benefits and Advantages
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Options
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Materials
Specifications
Valve Size
4
in
Body Material
PVC
Disc Material
PVC
Liner Material
Nitrile
Stem Material
316SS
Flow Coefficient (Cv)
600
Medium Temperature Range
70
ºF
21
ºC
Pressure Rating at 70°F
150
psi
10
bar
Method of Operation
Lever
Weight
7.7
lb
3.5
kg
Sample Specification
All thermoplastic wafer-style butterfly valves shall be manufactured from PVC Type 1, Grade 1 (ASTM D1784, Cell Classification 12454), CPVC(ASTM D1784, Cell Classification 23447) or glass filled Polypropylene (ASTM D4101, Cell Classification 85580). All valve bodies shall containintegral top mounting flange with dimensions and bolt circles conforming to ISO 5211. Bodies shall contain fully-supported flange bolt holes,be one piece construction and meet ANSI B16.10 narrow face-to-face dimensions in all sizes. If LUGGED butterfly valves are required, lugsshall be over-molded, 316 stainless steel and be the full width of the body. Liners shall be EPDM, Viton® or Nitrile. Liner shall be FULL BOOTdesign, and shall be retained in the body via rib and groove engagement. Liner shall serve as primary disc seal and face seals for mating flanges.Secondary upper bearing and lower seal retainer o-ring seals to be EPDM or FPM. Stem shall be 316 stainless steel, non-wetted and providefull engagement over length of disc. Stem shall have position retention design.
Lever handle shall be trigger-style with 360° interlocking splines allowing the handle to position the disc in 5° increments. Mounting of stopplate for lever handle shall be non-invasive to the valve body and shall not incorporate self tapping screws or other fasteners that connectdirectly to the valve body. Trigger shall contain hole for padlock, as well as slot for cable tie, to lockout valve. Lever handle material to be 30%glass filled Polypropylene with UV Inhibitor.
All sizes of butterfly valves (2" through 12") shall be pressure-rated for 150 PSI at 70°F non-shock.All butterfly valves shall carry a three-year warranty, and shall be manufactured by Hayward Flow Control products in the USA.
Typical Applications
Water and Wastewater Treatment
Aquatic and Animal Life Support Systems
Chemical Processing and Handling
Marine and Corrosive Environments
Mining
Metal Plating and Surface Finishing
Landfills / Environmental Infrastructure
Water / Theme Parks
Key Features, Benefits and Advantages
One Piece Body and Disc in PVC, CPVC and GFPP Materials
Revolutionary Hand Lever with 19 Lockable Stop Positions and 360° Interlock
External Disc Position and Flow Indication
Hydro-dynamic Centric Disc Design for Increased Flow Performance
Over-Sized Liner Face Maximizes Surface Contact with Flanges
EPDM, Viton® or Nitrile Liners
1-Piece 316 Stainless Steel Stem with Threaded Retaining Gland
Stem Bearing and Seal Retainer for Absolute Stem Positioning and Sealing
ISO 5211 Top Flange and Stem Drive
All Sizes Meet ANSI B16.10 / ISO 5752 Narrow Face-to-Face Dimensions
Options
Over-Molded or Field Mountable 316 Stainless Steel Lugs
Gear Operators
Complete Range of Pneumatic or Electric Actuators
Stem Extensions
2" Square Operating Nut
Chain Operator for Gear Box
Materials
PVC per ASTM D1784 Cell Class 12454
CPVC per ASTM D1784 Cell Class 23447
GFPP per ASTM D4101 Cell Class 85580
EPDM, Viton® and Nitrile Liners
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