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Add the Dual Body Combination Air Valve to your store or catalog  
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Combination Air Valves perform the functions of an Air/Vacuum Valve (exhaust large quantities of air on start-up, admits air on shut-down) and Air Release Valves (release air continuously during operation) to maintain system efficiency and prevent pipeline surges.
Features
  • Product Features
    • Single body incorporates both features within one valve
      • More compact and economical
    • Dual body consists of two independent valves
      • Allows individual maintenance while still protecting pipeline
      • Wider range of sizing options
    • Inlets and outlets are equal to full nominal size
    • Unconditionally guaranteed T316 stainless steel floats
    • Stainless steel 316 internal trim
    • Non-clog design minimizes need for backwashing
    • Exclusive high/low pressure resilient seating
  • Operational Highlights
    • Provides the functions of both Air Release and Air/Vacuum Valves
    • Exhausts large quantities of air at system start-up
    • Releases air prockets during system operation
    • Provides pipeline vacuum protection
    • Fully complies with AWWA C512
  • Optional Accessories
    • Outlet hood with screen (prevents debris from entering valves)
    • Ball, plug and butterfly isolation valves (allows valve maintenance)
    • Inflow Preventer on outlet (stops flood water and resulting contamination from entering pipeline)
    • Backwash kit (for severe wastewater applications)

Specifications

Valve Size

  • 10" to 20"

Certifications & Approvals

  • AWWA C512
  • NSF 372 & 61
  • ISO 9001

Body/Cover/Baffle Material

  • Cast Iron
  • Ductile Iron
  • Carbon Steel & Stainless Steel Optional

Trim Material

  • T316 Stainless Steel Standard

Seal Material

  • EPDM or Viton Optional
  • Buna-N

Coating

  • Universal Acrylic Primer (External)
  • Non-Stick Fusion Bonded Epoxy (Internal & External)

Inlet Size

  • 1" NPT, 2" NPT, 3" NPT
  • 4" Flg to 16" Flg

Outlet Size

  • 1" NPT to 8" NPT
  • 10" Flg to 16" Flg
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