Vertical Membrane Diffuser VMD-250

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