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Butterfly Valve features one-piece thermoplastic body.

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Butterfly Valve features one-piece thermoplastic body.
Butterfly Valve features one-piece thermoplastic body.
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June 2, 2014 - Available in PVC, CPVC, and GFPP materials and in sizes from 2–12 in., BYV Series features hand lever with 72 spline interlock mechanism, allowing for 19 stopping positions at every 5°. Hand lever material incorporates UV inhibitor for outdoor applications. BYV also has one-piece 316 SS stem with threaded gland for positive stem retention. Rated for pressures up to 150 psi, valve provides reinforced lug holes and can be ordered with overmolded 316 SS lugs for dead end service or isolation needs.

A New Twist in Butterfly Valve Design from Hayward Flow Control

Hayward Industrial Products Inc., Hayward Flow Control Systems
One Hayward Industrial Dr.
Clemmons, NC, 27012

Press release date: April 11, 2014

Clemmons, NC  - Hayward Flow Control announces this week the introduction of its patent pending BYV Series Butterfly Valve. The BYV Series incorporates the most advanced thermoplastic design and construction for butterfly valves in the industry today. Available in multiple thermoplastic materials from sizes 2" through 12" / DN50 - 300, the BYV Series has an extremely robust one-piece body construction while lighter weight than metal valves of equal size.

The revolutionary hand lever features a 72 spline interlock mechanism allowing for 19 stopping positions at every 5°. The engineered hand lever material incorporates a UV inhibitor for enhanced performance in outdoor applications. The BYV also features reinforced lug holes and can be ordered with overmolded 316 stainless steel lugs for dead end service or isolation needs. The BYV Series is available in ANSI150 and DIN/EN PN10 flange patterns, with a pressure rating of 150 PSI / 10 Bar at 70°F non-shock across all sizes and materials.

Other Key Features & Benefits Include:
• Body and Disc in PVC, CPVC and GFPP materials
• EPDM, VitonŽ or Nitrile Liners with Over-Sized Face
• Hydro-dynamic Centric Disc Design for Increased Flow Performance
• One-Piece 316 Stainless Steel Stem with a Threaded Gland for Positive Stem Retention
• Stem Bearing and Seal Retainer for Absolute Stem Positioning and Sealing
• ISO 5211 Top Flange and Stem Drive
• External Disc Position and Flow Indication
• All Sizes Meet ANSI B16.10 / ISO 5752 Narrow Face-to-Face Dimensions

Additional options include field installable 316 stainless steel lugs, gear operators, pneumatic or electric actuators, manual limit switches, stem extensions, 2" square operating nut and chain operator for gear boxes.

All BYV Series butterfly valves are backed by Hayward’s Exclusive 2 Year Warranty and made by Hayward in Clemmons, NC, USA.

Typical applications or installations include but not limited to are waste and water treatment, chemical transfer and processing, aquatic and animal life support systems, mining, metal plating / surface finishing, marine, landfills / environmental infrastructure and water / theme parks.

About Hayward Flow Control
Hayward Flow Control, a division of Hayward Industries, is a leading manufacturer of industrial thermoplastic valves, filters, strainers, bulkhead fittings & tank accessories, actuation, and pumps for use in water & wastewater treatment, chemical processing, water parks / municipal pools, life sciences, and general processing. Hayward’s thermoplastic flow control products can accommodate aggressive & corrosive environments, delicate ecosystems, or the strictest chemical balances to keep water & life working together. Hayward Flow Control is an ISO 9001:2008 Certified manufacturer.

For more information, contact Hayward Flow Control at 1.888.429.4635 or by e-mail at  Visit us also at
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