Factory Wholesale 12inch EPDM Membrane Bubbles Disc Air Diffuser for Aquaculture

Product Description

Factory Wholesale 12.5inch EPDM Membrane bubbles disc air diffuser for Aquaculture

Product Description

Fine bubble diffuser is an important equipment for aeration and oxygenation of water supply and drainage, which is suitable for municipal sewage, industrial wastewater and other sewage treatment. The disc microporous fine bubble diffuser is equipped with a check valve, which can prevent the sewage from flowing back when the gas stops; the diaphragm has a long service life, which can be used for 5-8 years; the design is simple, the price is low, and the cost performance is high.

 

Over 6300 perforations in Dn215mm fine bubble diffuser, air deflector diameter is 0.5cm, the contact sapce with membrane is 0.15cm, which make the opening rate of membrane can reach 99.9%. Also improve oxygenation capacity, oxygen utilization rate and reduce ventilation.
 

Model	φ215mm	φ260mm	φ300mm
Size	8 inch	9 inch	12 inch
Bubble size	1-2mm	1-2mm	1-2mm
Working air flow (m3/h)	1.5-3	2-5	2-8
Designed air flow(m3/h)	2	3	4
Service area(m2/piece)	0.25-0.45	0.35-0.65	0.45-0.75
Oxygen utilization ratio(%)	>30	>30	>30
Oxygenate capability(kgO2/h)	0.13-0.35	0.18-0.45	0.25-0.5
Water submerged depth(m)	4-8	4-8	4-8
Theoretic dynamic efficeny(kgO2/kw.h)	6.5	6.5	6.5
Drag loss(pa)	<3000	<3000	<3000
Material	EPDM/silicon membrane ABS support plate	EPDM/silicon membrane ABS support plate	EPDM/silicon membrane ABS support plate
Shape	Arch type Flat type	Arch type Flat type	Arch type Flat type
Connection	3/4 NPT male thread	3/4 NPT male thread	3/4" NPT male thread

 

Packaging & Shipping

Advantage of bubble diffuser

1.Anti-blocking, anti-intrusion

2.High tear resistance

3.Uniform gas distribution, energy saving and high efficiency

4.Anti-aging, anti-corrosion

5.Low resistance loss

 

Package Type	By carton and pallet
Shipment terms	FOB, CIF,  CFR
Port	Shanghai, Tianjin
Delivery time	Within 3~5 working days after receipt or your payment

 

Application of bubble diffuser

Application of EPDM diffuser membrane disc air fine bubble aeration diffuser 
 

1.Aeration of fishpond and other applications
2.Aeration of deep aeration basin
3.Aeration for excreta and animal wastewater treatment plant
4.Aeration for denitrification/dephosphorization aerobic processes
5.Aeration for high concentration wastewater aeration basin,and aeration for regulating pond of wastewater treatment plant
6.Aeration for MBBR reaction basin,contact oxidation pond;activated sludge aeration basin in sewage disposal plant

 

About us

Hebei Qinghui Plastic Products Co., Ltd. is a  industry & trade integrated enterprise, officially registered in 2021, our core technical and production team has accumulated over 10 years of professional experience in fiberglass and water treatment industry.

We are mainly supplying water treatment products and  FRP fiberglass products. Water treatment lines cover fine bubble air diffusers, tube settlers media, plate settlers, mbbr media, new assembled inclined pipes, water treatment fillers and matching supporting fittings. Our products range includes FRP molded gratings, FRP pultruded profiles, FRP corrugated plates, FRP water tanks and fiberglass duct rodder and so on.

Our factory covers an area of 1, 000 square meters with 20 experienced employees. We are well-equipped with complete production facilities: 5 automatic FRP grating production lines, 3 pultruded profile lines, 5 injection molding machines, together with drilling machines, grinders, CNC machine tools and automatic welding equipment, supporting stable and steady mass production.

We have passed ISO9001 Quality Management System Certification and ABS Certification. With mature production technology, strict quality control and sincere one-stop export service, we maintain stable product quality and reliable delivery.

Sticking to the principle of Quality First, Win-Win Cooperation, we focus on long-term steady cooperation with every client. Our products are well sold to UK, USA, Canada, Malaysia, Saudi Arabia, UAE, Egypt, Brazil and other overseas markets, earning consistent recognition and trust from new and old customers. We welcome global buyers for inquiries, sample orders and long-term business partnership.

 

FAQ

Q: Whether your company is factory or trading company?
A: Our company has its own workshop, so we can provide the the best quality and the lowest price for you.

Q: What's the material of your membrane?
A: We can provide three kinds of membrane materials, including EPDM, PTFE and Silicone. The raw materials are 100% imported from
Germany.


Q: What about the slit quantity of membrane?
A: 8 inch(≥6500), 9 inch(≥8500), 12 inch(≥11000).

Q: What about the MOQ?
A: 10 pieces.

Q: What are the accessories of fine bubble diffuser?
A: Aerator pipe, Horizontal regulating support, Connector, saddle, etc.

Q:Any samples can be provided?
A: Yes. Samples within 2 pieces can be provided for free.

Q: What is your terms of delivery?
A: Normally within 7~10 days against down payment

Any purchase need, please contact us,we will offer you best price.