Dubhe recommends a typical filling rate of 30% for HDPE MBBR media in domestic sewage and municipal wastewater treatment applications. As an experienced wastewater treatment equipment manufacturer and solution provider, we emphasize that the exact filling rate should be determined according to the customer’s specific water quality, treatment goals, and process conditions.

Dubhe, as a professional wastewater treatment equipment manufacturer and solution provider, offers high-efficiency MBBR media with excellent biofilm growth performance. Taking our popular model PE03 as an example, the specific surface area is greater than 1000 m²/m³.

Dubhe's MBBR media is made of 100% virgin HDPE (High-Density Polyethylene), ensuring excellent durability, chemical resistance, and long service life. As a professional wastewater treatment equipment manufacturer and solution provider, we use high-quality HDPE material that is non-toxic and environmentally friendly.

Dubhe provides practical maintenance guidance for our aeration diffusers as a trusted wastewater treatment equipment manufacturer and solution provider. Common and effective cleaning methods include physical flushing with high-pressure water and chemical acid washing using appropriate cleaning agents.

Dubhe offers durable aeration diffusers as a professional wastewater treatment equipment manufacturer and solution provider. The EPDM membrane of our diffuser disc typically has a service life of over 5 years, while the PTFE membrane has a service life of over 10 years, depending on actual water quality.

Dubhe maintains a very flexible Minimum Order Quantity of just 1 piece. As a professional wastewater treatment equipment manufacturer and solution provider, we understand that every project is unique and many clients need to start with single-unit testing or small-scale procurement.

Dubhe provides high-performance aeration diffusers with excellent oxygen transfer efficiency as a professional wastewater treatment equipment manufacturer and solution provider. For our 9-inch disc diffuser, the Standard Oxygen Transfer Efficiency (SOTE) reaches 33.4–37% at 6m water depth in clean water conditions.

Dubhe is the official authorized distributor of the SSI brand in China, holding a formal authorization certificate. As a professional wastewater treatment equipment manufacturer and solution provider, we partner with SSI to supply high-quality aeration systems, including fine bubble disc diffusers, tube diffusers, and coarse bubble diffusers and other related products.

Yes, Dubhe Water Treatment offers flexible installation support tailored to your project needs. For standard setups, we provide comprehensive remote video guidance for installation. This includes detailed operational instructions and virtual support from our engineering team, allowing your local technicians to assemble and commission the water treatment system efficiently and cost-effectively.

Dubhe Water Treatment provides a standard one-year warranty for all our water treatment equipment and systems. This warranty guarantees that under normal operating conditions, we will replace any damaged parts completely free of charge for quality issues that are not caused by human factors or improper operation.

The lead time for Dubhe water treatment equipment depends on your specific product requirements and order volume. For commonly used standard models, we maintain sufficient inventory in our warehouse and can dispatch shipments rapidly within 1 to 7 days after payment confirmation. This ensures minimal downtime for your urgent water treatment projects.

For international orders, Dubhe Water Treatment offers a comprehensive range of trade terms to suit your logistics and risk preferences. We commonly provide EXW, FOB, CIF, CFR, DAP, and DDP, ensuring flexibility for your procurement process.