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Philmac Air Release Valves
Philmac supply a range of market-leading, dual-action, and triple-action air release valves to remove air from pipelines in the rural and irrigation markets. Simple and effective in design, with longevity of service even in harsh outdoor conditions.
VACUUM BREAKERS
| Product Number | Size |
|---|---|
| 90 401 500 | 1/2″ |
| 90 402 000 | 3/4″ |
AIR RELEASE VALVE DUAL ACTION FI BSP
| Product Number | Size |
|---|---|
| 93109 | 1” Dual action (Kinetic) air release valve – X380 |
AIR RELEASE VALVE TRIPLE ACTION FI BSP
| Product Number | Size |
|---|---|
| 93072 | 1” Triple action (Combination) air release valve – X295 |
| 93087 | 2” Triple action (Combination) air release valve – X295 |
AIR RELEASE VALVE SPARE PART X 380
| Product Number | Size |
|---|---|
| 93114 | EPDM O-Ring for floater suits X-380 3/4″ – 1″ |
| 93113 | PP Floater suits X-380 3/4″ – 1″ |
| 93112 | Pre Filter suits X-380 3/4″ – 1″ |
| 93105 | NBR O-Ring for Body suits x-380 3/4″ – 1″ |
PHILMAC AIR RELEASE VALVE SPARE PART X 295
| Product Number | Size |
|---|---|
| 93098 | S/P Floater Locking Joint suits X-295 1-1/2″ – 2″ |
| 93092 | S/P Polystyrene Floater suits X-295 3/4″-1″ |
| 93094 | S/P Polystyrene Floater suits X-295 1-1/2″ – 2″ |
| 93097 | S/P Floater Joint suits X-295 3/4″-1″ |
| 93099 | S/P Floater Joint suits X-295 1-1/2″ – 2″ |
| 93106 | S/P NBR O-Ring for Body suits X-295 1-1/2″ – 2″ |
| 93115 | S/P Pre-Filter suits X-295 1-1/2″ – 2″ |
Overview / Why Choose This Product
Philmac Air Release Valves are designed to automatically release trapped air from water pipelines, preventing air locks and maintaining system efficiency. Ideal for irrigation, pumping, and water transfer applications, these valves improve flow performance and reduce energy costs. Built tough for Australian conditions, they resist UV and corrosion for long-term reliability.
Key Features
Automatic air release – prevents air locks and flow restrictions
Durable construction – UV-stabilised polypropylene body
Corrosion-resistant internals – for long service life
Easy installation – simple threaded connection
Applications & Benefits
Applications
- Irrigation pipelines
- Pump discharge lines
- Water transfer networks
- High points in pipeline systems
Benefits
- Improved efficiency – eliminates air pockets for better flow
- Reduced energy costs – prevents pump strain and cavitation
- Reliable performance – engineered for harsh conditions
Technical Specifications
- Size Range: ½” – 2″ BSP
- Connection Type: BSP threaded ends
- Pressure Rating: Up to PN16
- Material: UV-stabilised polypropylene body with corrosion-resistant components
Note: Always confirm size, pressure class, and compliance requirements against the official datasheet and local standards.
Installation Guide
- Install at pipeline high points or near pumps where air can accumulate.
- Ensure threads are clean and apply sealant or tape as per best practice.
- Orient valve vertically for proper operation.
- Pressurise and test the system before commissioning.
For detailed diagrams and torque guidance, view the Philmac installation guide online.
FAQs
What does an air release valve do?
It automatically releases trapped air from pipelines, preventing air locks and improving flow efficiency.
Where should I install it?
At high points in the pipeline or near pumps where air can accumulate.
What sizes are available?
Common sizes include ½”, ¾”, 1″, 1½”, and 2″ BSP.
