Question? Please contact us
Product Features:
- 2" Top mount control valve suited for commercial/industrial applications
- Lead free brass construction
- Service flow rate of 60 gpm, backwash 50 gpm
- Solid state microprocessor with easy access front panel settings
- Front panel display for time of day, days until next regeneration, volume remaining, current flow rate and total volume used (Totalizer)
- Regeneration: meter immediate, meter delayed, time clock delayed
- Post treated water regenerant refill
- Optional double backwash feature offers optimum regeneration, cleaning ability and efficiency
- Fully adjustable cycle times with 6-cycle control delivers controlled backwash, down-flow brining/slow rinse, second backwash, fast rinse, refill and down-flow service
- Coin Cell Lithium battery back-up with an 8 hour carry over
- 12-volt AC Adapter, safe & easy installation
- Reliable and proven DC drive
Birm is used to remove dissolved iron and manganese. The pH must be above 6.8 and dissolved oxygen content must be equal to 15% of the iron and manganese content. No regeneration is required, only periodic backwashing.
Birm® is an efficient and economical method of removing dissolved iron and manganese compounds from raw water supplies. It may be used in either gravity fed or pres sur ized water treatment systems. Birm® acts as an insoluble catalyst to enhance the reaction between dissolved ox y gen (D.O.) and the iron compounds. In ground waters, the dissolved iron is usually in the ferrous bicarbonate state due to an excess of free carbon dioxide and is not filterable. Birm®, acting as a catalyst between the oxygen and the soluble iron com pounds, enhances the oxidation reaction of Fe++ to Fe+++ and produces ferric hydroxide which precipitates and may be easily filtered. The phys i cal characteristics of Birm® provide an excellent filter media which is easily cleaned by back washing to remove the precipitant. Birm® is not consumed in the iron removal and therefore offers a tremendous economic advantage over many other iron removal methods.
Birm® may also be used for manganese removal with the same dependability as iron removal. In these ap pli ca tions the water to be treated should have a pH of 8.0 to 9.0 for the best results. If the water also contains iron, the pH should be below 8.5. High pH conditions may cause the formation of colloidal iron which is very difficult to filter out. All other conditions remain the same for either manganese or iron removal.
Advantages:
- Under the proper conditions, no chemicals to purchase for maintenance. Regeneration not required.
- Iron removal efficiency is extremely high
- Negligible Labor Cost - only periodic back washing required
- Durable material with a long life and wide temperature range
- Weighs only 46-50 lb./cubic foot.
Color: Black
Density: 47-50 lbs./cu. ft.
Effective Size: 0.61 mm
Uniformity Coefficient: 1.72
Conditions for Operation:
- Alkalinity should be greater than two times the combined sulfate and chloride concentration
- pH - 6.8+
- Dissolved Oxygen (D.O.) content must be equal to at least 15% of the iron (or iron and manganese content)
- Bed Depth - 30 - 36 in.
- Backwash Rate - 10-12 gpm. sq. ft.
- Backwash Bed Expansion - 35 -50% of bed depth
- Service Flow rate - 3.5 - 5 gpm. sq. ft. intermittent flow rates and/or favorable conditions may allow higher flow rates
