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Summary of Contents for Intewa AQUALOOP AL-PD78
- Page 1 AQUALOOP pipe diffusor AL‐PD78 AL‐PD142 Assembly and Operating Instructions WATER, WE’RE IN OUR ELEMENT Water we’re in our Element www.intewa.com www.intewa.de ...
- Page 2 Table of Contents General Information ......................... 2 Safety Precautions ........................... 2 Scope of delivery .......................... 2 Description ............................ 3 Technical Data .......................... 4 Installation Instructions ........................ 5 Maintenance and spare parts replacement .................. 6 ...
- Page 3 1. General Information Thank you for choosing an INTEWA pipe diffusor unit. Please read the operating instructions carefully before commissioning to ensure safe and correct system startup. The pipe diffusor system is intended for aerating of bioreactor tanks of greywater plants. The system can be used in places where aeration, saturation by air or liquid mixing is required. AL‐PD pipe diffusors are noted for their high efficiency of air transfer into water, high clogging resistance and low‐pressure loss. They provide the user with low operating cost and trouble‐free performance. 2. Safety Precautions Before installing the product, these installation and operating instructions must be read carefully. The indicated instructions herein must be strictly observed. ...
- Page 4 4. Description The AQUALOOP pipe diffusor (AL‐PD) is designed especially for water treatment plants. The special construction enables easy installation in various types of tanks without the need to fix the diffusors to the bottom. The diffusor is equipped with internal weight to operate against buoyancy force. The diffusor contains, depending on its size (AL‐PD78 and AL‐PD142), of one or two equally air‐supplied nonelastic pipes, coated by EPDM membranes and based on two arched pillars. The pillars are coated with anti‐slip rubber parts at the bottom to inhibit shifting of the diffusor. At the tail end of the pipe diffusor a lifting rope is installed. Air enters the nonelastic pipe through a ball valve, shut‐off fitting, connecting air hose and hose connector ...
- Page 5 5. Technical Data AL‐PD78 AL‐PD142 Air flow (Qvz,e) 1.5 – 10.0 m³/h 3.0 – 20.0 m³/h Recommended air flow per diffusor (Qvz,e) 3.5 – 6.5 m³/h 7.0 – 13.0 m³/h Loss of pressure depending on the air flow (Δp) 3 ‐ 7 kPa 3 ‐ 7 kPa Maximal surface density of diffusor (Ds) 6 ks/m² 12 ks/m² Oxygen use efficiency under standard conditions (Ea) 5 – 7 %/m 5 – 7 %/m Standard oxygenation efficiency (E*) 3 – 5 kg O /kWh 6 ‐ 10 kg O /kWh Length 780 mm 1420 mm Width 140 mm 140mm Length air hose 2 m 3 m Amount of aerator membrane 1 2 ...
- Page 6 Note: In the grey water application AL‐GW XXX a minimum water level of 700 mm is required before starting the tube diffuser. Other application has to be calculated to guarantee, that the air load not exceed the required operation condition. 6. Installation Instructions The installation in the tank, as well as the removal and re‐positioning is carried out with the help of the air hose and lifting rope. This allows easy installation and repair of the diffusor system, without the need to empty the tanks. Installation, removal and re‐placement are performed manually and require one person only. The special design of the pipe diffusor allows easy installation in various types of tanks without the need to fix the diffusor to the floor. The diffusor elements are equipped with internal weight to compensate against the buoyancy force. The air is supplied to each diffusor through a ball valve, shut‐off fitting and connecting pipe. ...
- Page 7 7. Maintenance and spare parts replacement Removing condensate The condensation water must be regularly removed from the system. We recommend removing the condensate within a 6‐ month interval. Depending on the surroundings humidity, the maintenance interval can be extended. Each pipe diffusor is equipped with a mechanism to drain condensed water. A small drainage hose from the bleed valve is ...
- Page 8 Amount AL‐PD78 AL‐PD142 Spare membrane for AQUALOOP pipe diffuser AL‐PD‐MEM 230197 1 2 9. Warranty / Contact The warranty terms can be found in our sales conditions. See: www.intewa.com For customers in Germany: For any queries, ordering of spare parts, as well as in case of service, kindly contact INTEWA GmbH directly, quoting your product‘s model and identification numbers and the purchase invoice details, at: INTEWA GmbH Auf der Hüls 182 52068 Aachen Tel.: 0049‐241‐96605‐0 Fax: 0049‐241‐96605‐10 Email: info@intewa.de Internet: www.intewa.de For customers in other countries: For any queries, ordering of spare parts, as well as in case of service, kindly contact your installer or the ...
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