Diffuser PEARLCOMB

Stainless saddle tube type membrane

Superfine air bubble diffuserStainless saddle tube type membrane

The existing saddle which needed a support or reinforcement to keep the horizontal state was improved; the strength is increased by adopting a stainless saddle, which enables to keep the horizontal state easily and also to lift it. It became easy to replace by lifting without draining dirty water.
Abundant types of material for membrane such as PTFE/EPDM (EPDM processed with fluorocarbon resin) and EPDM (ethylene, propylene rubber) are available according to the purpose of use.

Features of stainless saddle tube type membrane

High oxygen transfer efficiency, low pressure loss

High oxygen transfer efficiency, low pressure loss
Since ultrafine bubbles are supplied into the liquid from a lot of pores in the diffuser plate, high oxygen transfer efficiency is acquired. In addition, low pressure loss (air-flow resistance) is realized with the product by using flexible material.

Improvement of maintenability

Improvement of maintenability
The strength of the saddle improved from the existing product by adoption of the stainless saddle. The previous saddle required reinforcement to keep the horizontal state, but the new saddle can be installed in a stable way without reinforcement. In addition, since it became possible to lift the saddle, replacement and maintenance by lifting the saddle without draining dirty water became possible.

Applicable to various waste water treatment

Applicable to various waste water treatment
Abundant types of material for membrane such as PTFE/EPDM (EPDM processed with fluorocarbon resin) and EPDM (ethylene, propylene rubber) are available according to the purpose of use.

Purpose of use

Diffusers for waste water treatment with a large amount of deposits, diffusers for treatment of waste water which contains mineral oil or machine oil, diffusers for treatment of waste water from food plants such as dairy industry, kitchens and brewing industry, diffusers for waste water from paper mills, prevention of slime at sewage treatment facilities, for special waste water of sewage treatment facilities, diffusers for waste water from agricultural communes

Specifications of stainless saddle tube type membrane

Model PMD-T10NS (1000L) PMD-T10NW (1000L)
Dimensions of the element φ93x1000mmx1piece φ93x1000mmx2piece
Slit length 1mm, 2mm 1mm, 2mm
Bubbling area (projected area) 930cm2/set 1860cm2/set
Range of standard quantity of airflow *1 40 to 400L/min/set 80 to 800L/min/set
Membrane material PTFE/EPDM, EPDM
Base material PVC PVC
Saddle material Stainless Stainless
Piping joint Stainless100A or VP-100
Weight 3.3kg 6.3kg

*1 Contact us for the detail of the product, the design quantity of airflow, etc.

Characteristics of the stainless saddle

Since stainless is used as the material of the saddle part, the strength of the saddle has improved significantly from the previous saddle. In addition, the joint to the piping complies with various standards such as ANSI and JIS. Please consult us freely if it is uncertain whether it is applicable to the device currently used.

Joint of the stainless saddle
Joint of the stainless saddle
Joint of the previous saddle (material: polyvinyl chloride)
Joint of the previous saddle (material: polyvinyl chloride)
Stainless saddles can be kept in the horizontal state without reinforcement.Stainless saddles can be kept in the horizontal state without reinforcement.
Stainless saddles can be kept in the horizontal state without reinforcement.
Previous saddlePrevious saddle
Previous saddle

Characteristics of membrane materials

Characteristics Example of use
PTFE/EPDMRecommended product (EPDM processed with fluorocarbon resin) It is suitable for preventing deposits of calcium, silica, etc. It is suitable for the cases such as that it is not possible to prevent deposits with EPDM at a chemical plant, that the amount of adhesion of slime is large at a sewage treatment facility, etc.
  • Chemical plant (waste water with large amount of deposits)
  • Food plant
  • Paper mill
  • Sewage treatment (prevention of slime)
EPDM(Ethylene, propylene rubber) It has excellent mechanical strength, heat resistance and alkali resistance, and it is a widely-used material in water treatment including O-ring, packing, etc.
  • Sewage treatment facility
  • Drainage at an agricultural commune

Contact number

Membrane Sales Department
  • Tokyo +81 (0)3-6631-3000

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