ORC Series – Automatic Coarse Screen Filters
Self cleaning coarse strainer for applications where a fine level of filtration is not required. These units are available in 4'' through 16'' line size to handle flow rates up to 5,000 gpm, and can be installed in parallel to handle larger flow rates. Perforated stainless steel screens are available with 2, 3 or 5 mesh openings.
Technical Specifications for the ORC Series
- Maximum working pressure: 150 psig (high pressure units available upon request)
- Maximum fluid temperature: 150°F (high temperature units available upon request)
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Standard housing constructed of carbon steel, coated with extra durable polyester, electrostatically applied and oven cured on a zinc phosphate layer. Alternate materials of construction or special coatings available on request
Working of the ORC Series of Automatic Coarse Screen Filters
Dirty water enters the inlet and travels to the concave surface of the perforated screen. The water then passes through the screen and exits the outlet. Unwanted particles accumulate on the surface of the screen.
On activation of the rinse cycle, the rinse valve is opened to drain. A portion of the water flows back through the screen, lifting the solids off. A portion of the flow also travels across the screen surface, carrying the solids to the drain.
ORS Series – Self Cleaning Intake Strainers
Self cleaning intake strainers which are designed for installation on the pump suction line, the ORS series strainer provides protection for pumps and other equipment by removing large particles before they enter the system. It cleans itself continuously to ensure debris free water to the system. These units are available in 4'' through 16'' line size to handle flow rates up to 5,300 gpm. They are available with 6 or 12 mesh screen. Units can be installed in parallel to handle any flow rate.
Surface water sources, such as lakes, ponds and streams provide a convenient and reliable source of water for a variety of applications, including irrigation, makeup, process cooling and more. Unfortunately, this water is often contaminated with debris- leaves, sticks, paper, and other floating solids- which can spell trouble for your pump. Orival provides the solutions with our ORS Series Self Cleaning Intake Strainers.
Constructed of a heavy duty steel body and rigid stainless steel fine screen, the ORS is designed to provide years of reliable use. The body is coated with extra durable polyster, electrostatically applied and oven cured on a zinc phosphate layer. The nozzle assembly rotates on a heavy duty bearing, ensuring a long operating life.
The ORS is attached to the end of the pump suction line, ensuring that all of the water taken into the system must pass through the screen. Debris which would otherwise clog or damage the pump is effectively removed from the intake stream. The nozzle assembly located inside the ORS continuously rotates and directs a jet of water at the screen from the inside out, removing the accumulated debris. All moving parts are located within the housing, to avoid damage and provide increased reliability.
Technical Specifications for the ORS Series
- Minimum backwash pressure: 22 psig
- Recommended backwash pressure: 45 psig
- Backwash flow rates: ORS-04 - ORS-10: 18 gpm; ORS-12 - ORS-16: 26 gpm
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Standard housing constructed of carbon steel, coated with extra durable polyester, electrostatically applied and oven cured on a zinc phosphate layer. Alternate materials of construction or special coatings available on request.
Working of the ORS Series of Self Cleaning Intake Strainers
Dirty water enters the unit through the screen. Unwanted particles are trapped on the outer surface of the screen, before they enter the system. Strained water then exits the outlet and enters the pump suction.
Clean water (from the pump discharge) enters the backwash connection and travels into the cleaning nozzle assembly. The nozzles direct a high pressure jet of water at the screen from the inside out, blasting away the accumulated debris. The nozzles are oriented such that the spray causes the assembly to rotate, ensuring that the entire surface is cleaned.
The nozzle assembly is operated by line pressure (drawn off after the pump) and can be operated either continuously or intermittently as desired.
