Product Name: Coarse Bubble Disc Diffuser Model NO.: 5 inch/6 inch Usage: Industrial, Agriculture, Hospital, Water Treatment Method: Physical Treatment Type: Aerators Product Name: Coarse Bubble Disc Diffuser Material: EPDM+ABS Size: 5/6 Inch Diameter: 150mm Color: White, Black Warranty: 1 Year Membrane Thickness: 2mm Connector: 3/4'' NPT Male Thread Bubble Size: 4-5mm Transport Package: Carton Specification: 5 inch Origin: China HS Code: 8421999090 Product Description Coarse bubble disc diffuser1. Product DescriptionEPDM/ABS coarse bubble air disc diffuser features aunique split pattern and slit shapes, which can disperse air bubbles in an extremely fine and uniform pattern for high oxygen transfer efficiency. Amuch highly effective and integrated check valve enables the aeration zones to be easily shut down for air-on/air-off applications. It can be operated over awide range of airflows with minimum maintenance for long term performance.2. Technical ParameterModelBQ-150/170BQ-215BQ-260BQ-350Bubble TypeCoarse BubbleFine BubbleFine BubbleFine BubbleSize5/6 inch8 inch9 inch12 inchMembrane MaterialEPDM/SILICONE/PTFEbase MaterialABSStrengthened PP +GF (Glass Fiber)Connector3/4''NPT male threadMembrane Thickness2mm2mm2mm2mmBubble Size4-5mm1-2mm1-2mm1-2mmDesign Flow1-5m3/h1.5-2.5m3/h3-4m3/h5-6m3/hFlow Range6-9m3/h1-6m3/h1-8m3/h1-12m3/hSOTE≥10%≥38%≥38%≥38%6m submerged6m submerged6m submerged6m submergedSOTR≥0.21kg O2/h≥0.31kg O2/h≥0.45kg O2/h≥0.75kg O2/hSAE≥7.5kg O2/kw.h≥8.9kg O2/kw.h≥8.9kg O2/kw.h≥8.9kg O2/kw.hHeadloss2000-3000Pa1500-4300Pa1500-4300Pa1500-4300PaService Area0.5-0.8m2/pcs0.2-0.64m2/pcs0.25-1.0m2/pcs0.4-1.5m2/pcsService Life>5 years3. Main Features♦ Low resistance loss♦ Highly Tear Resistant♦ Anti-clogging, anti-backflow♦ Ageing-resistant, anti-corrosion♦ High efficiency, energy-saving5. ApplicationMunicipal wastewater treatmentIndustrial wastewater treatmentClean water treatmentSludge stabilizationWastewater ozone diffusionAeration of fish pondsAeration of streams and lakes6. about usWuxi Qiuyuan Environmental Engineering Co., Ltd, locating in China Environmental Town, Yixing city, is aspecialized in designing, installation and commissioning full project for industry wastewater treatment, sewage water treatment and odorous air (VOCs) abatement solutions.We are manufacturing: Multi-disc screw-press dehydrators and decanter for sludge dewatering. DAF system and magnetic separator water clarifying. Automatic chemical dosing-adding system. DDBD(non-thermal plasma double dielectric barrier discharge reactor), chemical washing scrubber, biofilter tank and packing materials.Products we supply also: Air blower, air diffuser, flow booster, water pump, packing material for ETP tank, coagulant PAC, flocculant PAM, chemical dosing tank, metering pump.We have 3factories, 20 engineers and more than 100 workers. We have technical support from doctors of Zhejiang University to supply proper design, fast installation and commissioning and efficiency feedback. Service will always be available.7. FAQQ: 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.Q: what's the material of support dish?A: Strengthened PP+glass fiber.Q: What about the slit quantity of membrane?A: 8inch(≥6500), 9inch(≥8500), 12 inch(≥11000).Q: What about the MOQ?A: 1piece.Q: What aretheaccessories of fine bubble diffuser?A: Aerator pipe, Horizontal regulating support, Connector, saddle, etc.Q:Any samples can be provided?A:Yes. Samples within 2pieces can be provided for free.Q:What is your terms of delivery?A: Normally within 10~20 days against down payment.8. Contact usWuxi Qiuyuan Environmental Engineering Co., Ltd.Add: Zhoutie Industry Zone, Yixing City, Jiangsu Province, P.R. China