D-96 | Underground Combination Air Valve
Description
The D-96 integrates the D-46 2” Combination Air Valve with the added feature of a sub-surface compact housing. A unique Check Valve allows for the disconnection and removal of the air valve from the housing without the need to shut down the flow of the pipeline, even when under line pressure
Product Features
- Body and internal parts - high-strength reinforced composite and rubber materials - non-corrosive and durable.
- Integral check valve - shuts automatically for removal and maintenance.
- Unique valve box check valve - drains water and prevents water intake.
- Dynamic design - high capacity air discharge
- Rolling seal mechanism - leak-free sealing over wide range of pressure differentials.
- Lightweight and compact silhouette - easy installation and maintenance.
- Safety pressure control - gradual pressure release of valve prior to maintenance protects inner locking mechanism and the operator.
Application Range
- Size range - 2” – 4”
- Sealing pressure range - 0.1 - 16 bar (PN16)
- Testing pressure - 1.5 times maximum working pressure.
- Maximum working temperature: 60° C
- Maximum intermittent temperature: 90° C
Installation:
- Water distribution lines
- Areas susceptible to freezing
- Rural areas - provides protection against damage and vandalism
- Urban areas - integrated with existing sub-surface municipal infrastructures
- Public and private areas – keeps aboveground surfaces aesthetically unobstructed
Last Updated on: Monday, 04 March 2024