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Airfin ® Vertical Membrane Diffuser VMD-250

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General Specification

Type: Fine bubble tbe diffuser-vertcal mounting design
Size: 90mm dia X 250mm length.
Construction: Robust support made of fiber glass reinforced polypropylene
With 3/4” inner thread coupling
Diffusing tube with special perforation
Fixing element
Low buoyancy construction
Floodable
Bubble size: 1,0 - 4.0mm
Tube material: EPDM
Tube Description:

Tube Ø90 mm with staggered horizontal special perforation,
Aeration zone approx. 550 cm2/per piece
Unperforated zone with valve effect allows intermittent operation

Tube endurance:

Constant quality for many years
Operation times of 7 - 10 years are usual, up to 12 years of operation have been reached, good resistance against ozone, weather influence, aging various acids and lye

Oxygen transfer effciency: OTE valve up to 24g O2 / Nm3 X m have beer measured by an independent institute for the VMD diffusers
OTE values depend on diffuser density, depth of air introduction and the air flow rate
Air-flow range per diffuser: 0 - 10 m3 / h X m (excellent air controllability)
Suitable for intermittent operation
Optimal fumigation range 2 - 6 m3 / hr. per diffuser
Head loss: 45 - 92 mbar +/- 10 mbar
Connection: Nipple 3/4” thread
Application: Ideal for SAFF System, for high TDS, SS contained effluent

Replacement Membrane

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RANBAXY LABORATRIES LTD.
This is to certify that Airfin ® Qty:164nos diffuser aeration system was installed at our plant by M/s Jay engineering on year 2001 on DEWAS plant for effluent flow 1000cu.m/day BOD-900mg/l COD..3000mg/l.
MR.SATISH PATHAK | (Officer-EHS) MORE