STANDARD 2 Tube Diffusers

OTT STANDARD 2 Diffusers

Membrane type:
FLEXSIL^®
FLEXNORM^®

Mounting Rings

Stainless-steel clamp bands. Located at both ends of membrane, i.e. beneath each inverted membrane end.
Membrane

FLEXSIL^® or FLEXNORM^® tubular membranes are ideally suited for a wide range of wastewaters and applications. Their consistently high performance and reliability are ensured by highest quality standards and stringent quality assurance. Each diffuser carries a printed lot number for QA traceability.
Wrinkle-Free Membrane

OTT diffuser bodies are designed with a patented geometric shape which ensures a wrinkle-free membrane even when air infeed is discontinued, e.g. in intermittent operation. This unique feature is essential for maximum integrity and service life of the membranes.
Perforation

STANDARD 2 diffusers incorporate precisely engineered perforation which provides outstanding bubble distribution and uniform air release. This clearly sets us apart from competitors – as demonstrated by numerous trials conducted by independent test institutions. Custom perforation can be provided in accordance with your specific requirements. For more information – contact us!
PP Diffuser Body

The body of the STANDARD 2 diffuser is a monolithically injection-moulded tube made from eco-friendly, recyclable polypropylene (PP). The STANDARD 2 diffuser body’s expertly engineered shape and construction provide users big benefits.
Threaded Receiver

The diffuser incorporates a ¾" inner-threaded insert made from high-strength engineering resin POM (polyoxymethylene) which is screwed down over the connector’s outer threading to mate the two completely together. STANDARD diffusers are available in 3 versions for rectangular headers: for 30, 40 or 45 mm diameter air-supply openings. Connection adapters are available to accommodate other diameters as well as round header lines.
Continuous Air Channel

STANDARD 2 diffusers incorporate an end-to-end air channel at the bottom of the body which ensures uniform air distribution along the diffuser’s length.
Flooded Core

STANDARD 2 diffusers are open at the body‘s outer end, permitting partial flooding and therefore reducing buoyancy.
Lengths

STANDARD 2 diffusers are available in effective lengths of 500, 750 and 1000 mm. The overall diffuser length of each version is 24 mm longer.

Mounting Rings

Stainless-steel clamp bands. Located at both ends of membrane, i.e. beneath each inverted membrane end.
Membrane

FLEXSIL^® or FLEXNORM^® tubular membranes are ideally suited for a wide range of wastewaters and applications. Their consistently high performance and reliability are ensured by highest quality standards and stringent quality assurance. Each diffuser carries a printed lot number for QA traceability.
Wrinkle-Free Membrane

OTT diffuser bodies are designed with a patented geometric shape which ensures a wrinkle-free membrane even when air infeed is discontinued, e.g. in intermittent operation. This unique feature is essential for maximum integrity and service life of the membranes.
Perforation

STANDARD 2 diffusers incorporate precisely engineered perforation which provides outstanding bubble distribution and uniform air release. This clearly sets us apart from competitors – as demonstrated by numerous trials conducted by independent test institutions. Custom perforation can be provided in accordance with your specific requirements. For more information – contact us!
PP Diffuser Body

The body of the STANDARD 2 diffuser is a monolithically injection-moulded tube made from eco-friendly, recyclable polypropylene (PP). The STANDARD 2 diffuser body’s expertly engineered shape and construction provide users big benefits.
Threaded Receiver

The diffuser incorporates a ¾" inner-threaded insert made from high-strength engineering resin POM (polyoxymethylene) which is screwed down over the connector’s outer threading to mate the two completely together. STANDARD diffusers are available in 3 versions for rectangular headers: for 30, 40 or 45 mm diameter air-supply openings. Connection adapters are available to accommodate other diameters as well as round header lines.
Continuous Air Channel

STANDARD 2 diffusers incorporate an end-to-end air channel at the bottom of the body which ensures uniform air distribution along the diffuser’s length.
Flooded Core

STANDARD 2 diffusers are open at the body‘s outer end, permitting partial flooding and therefore reducing buoyancy.
Lengths

STANDARD 2 diffusers are available in effective lengths of 500, 750 and 1000 mm. The overall diffuser length of each version is 24 mm longer.

Air diffuser for wastewater treatment plant

OTT tube diffusers provide highly efficient fine-bubble aeration.

OTT STANDARD 2 diffusers consist of 2 nos. single piece injection moulded polypropylene support tubes surrounded by membrane sleeves which are kept in position by stainless steel clamps. 2 nos. STANDARD 2 diffusers are assembled together on the air header by a saddle-contoured adapter.

OTT STANDARD 2 diffusers can be installed quickly and easily on 90 OD pipes with 2 nos. (+0.5/-0.0) mm diameter holes. A saddle-contoured adapter ensures secure mounting. These rugged adapters provide reliable service at high operating temperatures along with outstanding resistance to formic acid.

OTT STANDARD 2 tube diffusers are available in effective length 1000 mm. 2 nos. STANDARD 2 diffusers are assembled together on the air header makes a 2m long diffuser.

OTT STANDARD 2 diffusers are available with a wide range of perforations:

OTT STANDARD 2 HE (High Efficiency) diffusers [High Efficiency Systems]

come with 0.6mm perforations with a special perforation pattern and with an air throughput range from 1 – 6 Sm3/hr/mtr(diffuser length) are used for application in Aeration tanks which require very high energy efficiency. Due to the need of higher life these are available only in Silicone based rubber (FLEXSIL®) membranes.

OTT STANDARD 2 Fine Bubble diffusers

come with 1mm perforations with an air throughput range from 2 – 12 Sm3/hr/mtr(diffuser length) are primarily used in Aeration tanks.

OTT STANDARD 2 Coarse Bubble diffusers

come with 2mm perforations with an air throughput range from 4 – 24 Sm3/hr/mtr(diffuser length) are used in Equalization tanks for mixing and stripping.