Our high-quality Optivent separator products are designed to remove air and dirt from water systems simultaneously.
Air and dirt can cause a range of problems to water flow and can reduce the life of your system due to the corrosive effects of contaminants.
- Sizes from DN50 to DN600
- Wide operating pressure (0-16bar)
- Fluid temperatures from 0-100 degrees Celsius
- Large throat air vent fitted (also available as an individual item)
- Air & Dirt
- Air Only
- Dirt Only
- Hydraulic Air & Dirt
- Hydraulic Balancer
Frequently asked Questions
- Do Air & Dirt Separators need to be installed at the highest point?
No. They need to be installed at the hottest point where there is a larger concentration of visual air bubbles. This is where the dissolved gasses form into micro bubbles. On a chilled water circuit, the ideal location is on the return line heating water system (on the boiler supply line).
- What standard are these designed to?
Optivent products are designed and tested to the P.E.D. 2014/68/EC standard.
- What is the level of separation achieved with Optivent Separators?
For the standard series, the Optivent can separate down to 10micron. The MNAG series will remove magnetite down to 5micron and less.
- How will the Optivent in my sysyetm affect other equipment, such as heat exchangers and pumps?
The heat transfer rate in the heat exchnagers will by increased becasue of the reduced air content in the water. Pump servicing will be less frequent, as the removal of air will mean the risk of seal failure and associated problems will be greatly reduced.
- Are Optivent products hard to retrofit?
No. The inline configuration of its connection flanges means that only a small piece of pipe needs to be removed and the Optivent can slip in.
- Do I still need to use chemicals in my water treatment?
Yes. The Optivent does not eliminate the need for chemicals, but does enhance your chemicals and make them more efficient.
- What is the impact of a higher-than-advertised flow rate through an Optivent Separator (e.g. where the velocity is well over 1.5m/s on a standard unit)?
You should always avoid increasing the flow, because speed creates vortexes within the product and it blocks collecting particles at the bottom.
Longer Optivents can be used when velocity is high.
If you increase velocity to catch flow rates, the product cannot work properly. Even when a stopper is used against the backflow of particles to the system, it’s risky to assume success when the velocity becomes even higher.
In essence, trying to reach a high flow rate with increasing velocity does not cause a serious problem, but it minimises product efficiency.
Relevant Resources for Optivent Air & Dirt Separators
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