Waterworks

A.R.I. D-96 USA

Underground High Capacity Combination Air Valve

A.R.I. D-96 Underground Combination Air Valve System integrates the A.R.I. D-46 2” valve model, featuring high-capacity air release and intake, encased within a specially designed, compact sub-surface housing for underground usage. Valve maintenance is performed above ground, reducing the hazards of confined space operation.

Downloads

Product Page (PDF)

IOM (PDF)

Technical Specifications

Size Unit

Size range

DN50 - DN100 (2" - 4")

Pressure rating

PN16

Working pressure range

A.R.I. D-96

0.1-16 bar

Working temperature

Maximum working temperature:

60° C

Maximum intermittent temperature:

90° C

Available construction materials

Reinforced Nylon

End connection type

Threaded male BSPT/NPT (2”)

Flanged ends to meet various requested standard (2”, 3”, 4”)

 

Optional add-on components

One-way Out attachment, allows for air discharge only, prevents air intake.

One-way In attachment, allows air intake only, not allowing air discharge.

Non-slam, discharge-throttling attachment, allows full air intake, throttles air discharge.

Features & Benefits

Above-ground maintenance
  • Removes safety hazards of operation in confined spaces
  • No confined-space entry
  • Simple tool-free maintenance
Compact manhole
  • Eliminates large manhole excavation costs
  • Compact, lightweight valve, allows for easy installation / operation without heavy machinery or special tools
  • Minimum manpower required for maintenance – procedures can be performed by a single maintenance person
D-46 2" Air Valve
  • High air capacity
  • Durable reinforced composite materials
  • Easy tool-free maintenance
  • Non-corrosive materials
Insulation solutions (optional)
  • Winterproof design - various vault sizes: 615mm-2440mm (2ft-8 ft) allows valve installation below permafrost levels
Vertical standpipe connection (optional)
  • Improves hygiene by preventing cross-contamination in a submerged vault
Drainage check valve
  • Drains water from the vault / canister / box and prevents ground water entry
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