Specification of diffuser AKWATECH GJ RT 63/1000  

Diffuser body:
 1. Material: PVC
2. Ø63 mm, length: 1000 mm (other lengths also available)
Fastening on pipe system:
 1. internal thread 1''
Washer:
O-Ring, EPDM
Description of diaphragm:
 1. EPDM material
2. thickness: 1,9 mm ± 0,2 mm
3. active surface: 1600 cm²
Bubble size:
 2-2,4 mm
Working temperature:
 +5°C to 80°C
Pressure loss:
 <50 mbr for air flow at 8 m³/h
Pressure loss at the end of the lifetime:
 <90 mbr for air flow at 8 m³/h
Guarantee for oxygen transfer in clean water:
18gO2 (m³N x depth in meters)
Recommended air flow:
 8-10 m³N/h
Min. air flow:
 2 m³N/h, or completely switched off
Max. air flow:
 11 m³N/h, momentary up to 20 m³/h (<10min)
Lifetime:
 Till 8 years in residental sewage treatment plants, depending on sewage constitution and terms of operation
Notice:
 Ballasted version also available