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Butterfly Valves

AWWA Butterfly Valves (BAW)

DESIGN FEATURES:

DeZURIK AWWA butterfly valves meet the requirements of AWWA C504 standards. They are used for shutoff of clean and dirty water and gases. Offset disc design, corrosion-resistant shaft, stainless steel disc edge, and self-compensating shaft seals are features on all DeZURIK AWWA butterfly valves. Molded-in body seat with disc locators provides positive sealing and longer seat life on sizes 3 - 20" (80 - 500mm). Large AWWA butterfly valves, 24" and larger (600mm and larger) feature adjustable, replaceable seat, non-hollow disc structure and rubber seat retained within a dovetail groove in the valve body and locked in place by an epoxy wedge.


SPECIAL CONSTRUCTION:

Square and rectangular AWWA butterfly valves are designed in a variety of sizes for square/rectangular configurations. Specially designed packages for Pump Check control applications are also available.

High Performance Butterfly Valves (BHP)

DESIGN FEATURES:

DeZURIK High Performance Butterfly Valves (BHP) are designed for critical applications in chemical, hydrocarbon processing, pulp & paper, water/wastewater and HVAC industries. They provide exceptionally long and trouble-free service life, reducing total cost of ownership. DeZURIK BHP valves are rigorously tested to meet demanding industry performance requirements. 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 single offset disc design provides lower torque and longer cycle life. NACE trim is available.


SPECIAL APPLICATION:

DeZURIK has specially designed the Tail Gas High Performance Butterfly Valve to meet the rigorous requirements of services where polymerization or solidification of media can prevent valve operation, including:

  • Tail Gas in refinery sulfur recovery units
  • Polymer processing
  • Asphalt service
  • Adhesive manufacturing

Resilient Uninterrupted Seated Butterfly Valves (BOS-US)

DESIGN FEATURES:

BOS Resilient-Seated Butterfly Valves are designed to handle a wide variety of liquids and gases. BOS-US Valves are available in Ductile Iron-Lugged or wafer bodies with Ductile Iron/Nickel Plated or 316 Stainless Steel discs. BOS Resilient-Seated Butterfly Valves feature an uninterrupted seat design; one-piece body; solid, one-piece shaft and high-performance resilient seat bonded to the body.

Dezurik Resilient on Center Seated Butterfly Valves (BOS-CL)

DESIGN FEATURES:

BOS-CL Resilient Seated Butterfly Valves are designed to handle a wide variety of liquids and gases. They are available in lugged body design with discs of nylon coated ductile iron, 316 stainless steel or aluminum bronze. BOS-CL valves feature a one-piece body, high performance seat bonded to a solid backing ring, three heavy duty bearings, and a blow-out proof shaft.

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