Product Description
Brief Introduction
This is a hot product with membrane diameter of 215mm. The EPDM membrane could be largely used in most of the waste water treatment with good price and excellent performance. The support base is made by reinforced PP. You could also customize ABS base. Optional membrane of silicone rubber is supported.We attach great importance to quality control and long time cooperation. Welcome to be our authorized distributor should you have any interest. contact us now!
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Material Property
EPDM rubber does not contain plasticizer, can eternally keep elasticity, not easily cakes and ages, does not get brittle, with robust resistance to high temperature, low temperature, oils and corrosion; its service life is much longer than any other composite rubbers.EPDM rubber membrane performance parameters are tabulated below:
| Item | Unit | Value |
| Hardness (Shore A) | 55-60/85-87 | |
| Tensile strength | Mpa | 17 |
| Tear breakage elongation, min. | % | >650 |
| Tear strength | N/m | >1.7*104 |
| Resilience | % | >45 |
Structure and Dimension
Municipal sewage treatment, industry waste water treatment, etc. Different membranes are adapted to different kind of waste water.
Installation Methods
Parameters
| Mode | PR-D215(7") | |
| Material of Membrane | EPDM | Silicone rubber |
| Thickness of membrane | 2.0mm±0.1mm | 2.0mm±0.1mm |
| Effective diffusion area | 0.023 m2 | 0.023 m2 |
| Openings/pc | about 3500 openings | about 3500 openings |
| Diameter of bubble | 0.8mm-1.5mm | 1.0mm-1.8mm |
| Lifetime of membrane | >6yrs | >6yrs |
| Standard volume of aeration | 1.5m³/h-2.5m³/h | 1.5m³/h-2.5m³/h |
| Aeration range | 1m³/h-5m³/h | 1m³/h-5m³/h |
| Resistance loss | 2.0kPa-4.5kPa | 2.0kPa-4.0kPa |
| Standard oxygen transfer rate (depth of water:6m) | ≥38% | ≥36% |
| Standard oxygenation capacity | ≥0.30kgO2/h | ≥0.28kgO2/h |
| Theoretical power efficiency | ≥9.1kgO2/kw.h | ≥8.9kgO2/kw.h |
| Service aera | 0.2m2/pc-0.64m2/pc | 0.2m2/pc-0.64m2/pc |
Packing/Component Info
| Model | PR-D215 | PR-D270 | PR-330 |
| Weight/Set | 0.49kg | 0.68kg | 0.96kg |
| Weight/Carton | 17.5kg | 18.5kg | 24kg |
| Pcs/Carton | 34 | 26 | 24 |
| Ball Check Valve | Non | Non | For DN80 Pipe |
| Material of Support Base | Reinforced PP | Reinforced PP | ABS |
| Outer Diameter of The Support Base | 225 | 270 | 340 |
| Specification of Connection Part | DN20 Screw Connector | ||
| Pipes Applied To | DN50~DN100 | ||
| Holder | Wedged Holder | ||
| Material of Holder | ABS | ||
About Us
Established in Y2010, Guangzhou Jingzhiquan Environmental Protection Technology Co., Ltd. is a professional solution provider and equipment manufacturer for wastewater treatment and odor treatment.We attach great importance on high-tech development, quality and service.
By working with domestic scientific institutions and foreign companies in environment protection field, we have launched disc aerator, tube aerator, plate aerator, rotational flow aerator, jet aerator, biofilter, reactive oxygen ion equipment, etc., which have been widely used for municipal sewage treatment, industrial wastewater treatment, air purification and odor treatment. We have our own factory to make perfect products, technicians with 15yrs+ experience to provide professional consultations and solutions, and experienced engineers to fulfill the installation and maintenance.
Q&A
Q1: Are you a trader or a factory?A1:We are trader and we have our own factory.
Q2: Do you provide technical consultation?
A2: Yes, we do. We have technicians and engineers to help you with design and provide professional consultation as per your demand.
Q3: Can I visit your factory?
A3: Yes, you are welcome. Please contact our sales to arrange the reception.
Q4: Is your membrane made in China or somewhere else?
A4: We have membrane made in China and made in Germany. We provide two choices for you. Each has it is own advantages.