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Dual Body Combination Air Valve
Brand: Val-Matic Valve & Mfg Corporation
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
- Single body incorporates both features within one valve
- 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
