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Butterfly Valves

DeZURIK carries a full line of butterfly valves for use in many industries from Water/Wastewater to HVAC to Industrial applications. Of the highest quality, backed by decades of satisfied customers, DeZURIK butterfly valves are highly sought after and provide the lowest cost of ownership of any brand.

DeZURIK AWWA Butterfly Valves are designed for applications throughout water and wastewater treatment plants, water distribution systems, power plants, and industrial plants. AWWA Butterfly Valves can be applied in applications demanding high-quality and thoroughly tested valves which offer many years of trouble-free service.


DeZURIK AWWA Butterfly Valves meet the requirements of AWWA C504 and C516 standards. They are used for shutoff on clean water and gases. Offset disc design, corrosion resistant shaft, stainless steel disc edge, and self-compensating shaft seals are features on all DeZURIK AWWA valves. Molded-in body seat with disc locators provides positive sealing and longer seat life on sizes 3-20” (80-500mm). Large valves, 24-144” (600-3600mm), 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.



  • Fully Rubber Lined Body (3-20”)

  • Choice of resilient seat materials

  • 4° Sealing Surface

  • Molded-In Body Seat

  • Disc Locators (disk centering device)

  • Integral Shaft Bearing Seals

  • Offset Disc Design

  • Stainless Steel Disc Edge

  • Adjustable, Replaceable Seat (24” and larger)

DeZURIK BHP High Performance Butterfly Valves are specially designed for applications in the chemical, hydrocarbon processing, pulp & paper, water & wastewater and HVAC industries worldwide. The valve was designed with an understanding that
process industries need products that provide exceptional performance while reducing the total cost of ownership.

BHP butterfly valves have been rigorously tested to meet industry performance requirements. A fully supported one-piece shaft and heavy-duty bearings ensure perfect alignment of seat and disc leading to long life and trouble-free performance.

DeZURIK offers a wide variety of seat options including PTFE seat, reinforced PTFE seat, flexible metal seat and a dual seat. DeZURIK BHP Butterfly Valves combine extreme service capabilities with features which have been time-tested for over 30 years.

BHP butterfly valves are designed to handle everything from general applications to viscous and corrosive liquids; corrosive gases; and steam.



  • Wafer or Lugged Body Styles 2-60”

  • Face-to-face dimensions in compliance with API 609, MSS SP-68 and ASME

  • Full Bi-Directional Seating

  • Offset Disc Design

  • One-Piece Stainless Steel Shaft

  • Solid Disc-To-Shaft Pinning

  • Disc Centered In Body/Seat

  • Multiple Shaft Bearings

  • Metal Seated Valves Incorporate an Independent Static Seal

  • NSF/ANSI 61, 372 Certified for Drinking Water

  • Fire-Tested Per API 607 Standard (Fyre-Block option)


  • Spring & Pressure Assisted Soft Seats

  • High-Temperature & Low-Temperature Metal Seats

  • Dual Seat Design

BOS-US Uninterrupted Seat Resilient Seated Butterfly Valves are used to handle a wide variety of liquids and gases, including water, air, petroleum, and noncorrosive chemicals. BOS-US Valves are extensively used in hot-process applications, in mining operations, in paper mills, and in environments requiring up to 28"-Hg (710mm-Hg) of vacuum.

In thousands of installations worldwide, DeZURIK BOS-US Valves have a proven record of long-term reliability, throttling control, value-added design features and unmatched economy.

BOS-US valves feature an uninterrupted seat design, one-piece body, solid one-piece shaft and a high performance resilient seat. Sizes 2-20” (50-500mm) feature seat bonded to the body while sizes 24” (600mm) and larger feature a seat bonded to a solid backing ring.



  • Uninterrupted Seat Design

  • Superior Bonded Seats

  • Bearings for Reliable Operation

  • Shaft Seals for Maximum Reliability

  • Blowout Proof Shaft

  • NSF-61/NSF-372 Certified

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