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The BYV Series are available with cast aluminium gear operator for all sizes with IP65 rated housing and steel internal components designed to enhance its quality, reliability and environmental specifications. Gear operators with IP68 rating available upon request. Consult Customer Service for pricing.
Unit of Measure

Specifications

Valve Size

 N/A 2 in

Body Material

 N/A GFPP

Disc Material

 N/A GFPP

Liner Material

 N/A Viton®

Stem Material

 N/A 316SS

Flow Coefficient (Cv)

 N/A 125

Medium Temperature Range

 N/A 70 ºF21 ºC

Pressure Rating at 70°F

 N/A 150 psi10 bar

Size

 N/A 2" 50 mm

Method of Operation

 N/A Gear

Weight

 N/A 5.8 lb2.6 kg

Sample Specification

N/A 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.

Sizes 10" and 12" will be gear-operated as standard. Gear operators will be availablefor all sizes of valves as needed. 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

N/A

  • 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

N/A

  • 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

N/A

  • 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

N/A

  • 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