Fluid Control Equipment
Air Vents for Steam
LA Series
Continuously discharge air and gas that build up inside steam supply pipes
These air vents are used to discharge air that builds up inside steam supply pipes and in steam-using equipment.
The valve operates based on the difference between the temperatures of air and steam. The built-in X-element is used to detect this temperature difference, enabling the vent to discharge not only initial air upon startup, but also air which enters the vent during normal operation. This makes these air vents the ideal choice for batch processes.
Air Vents Pamphlet (1930 KB)
Benefits and Features
Improved Productivity
- The X-element discharges air at a temperature approximately 22 ºC (40 ºF) lower than the saturation temperature of steam.
- Compact size, large discharge capacity
- "Fail open" X-element design
- High heat resistance
- Improved heating efficiency and faster increases in temperature.
Application Areas
These air vents are especially recommended for the following applications:
- Batch processes requiring large-volume air venting upon startup
- Applications in which air locking tends to occur during operation
- Jacketed kettles
- Vulcanizers
- Presses
- Dryers
- Heat exchangers
- Steam transport piping pipe-ends, etc.
Product Details
| Model | Photo | Connection | Shape | Body Material | PMO (MPaG) | TMO (°C) | Air Venting Capacity (ℓ/min)* |
Specifications | Manual |
|---|---|---|---|---|---|---|---|---|---|
| LA21 | |
Screwed | Straight | Stainless (ASTM A351 Gr.CF8) |
2.1 | 235 | 2000 | Specifications | Manual |
| LA13L |  |
Screwed | Angled | Brass (C3771) |
1.3 | 200 | 1900 | Specifications | Manual |
- PMO = Maximum Operating Pressure
- TMO = Maximum Operating Temperature
- The latest version of each product's instruction manual can be found on this page.
- *Capacities are equivalent capacities of air at 20 °C under atmospheric pressure.