STP Aeration Diffuser EPDM Disc 9" (low-pressure)
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Product Description
Generic STP-AD-9 STP Aeration Diffuser EPDM Disc 9" (low-pressure) for IMO MEPC.227(64) sewage treatment plants on merchant, passenger and offshore vessels.
Technical Specifications
- Component
- STP Aeration Diffuser EPDM Disc 9" (low-pressure)
- System class
- IMO MEPC.227(64) sewage treatment plant
- Process
- biological-aerobic / membrane-bioreactor / UV disinfection (model-dependent)
- Media
- black + grey water, suspended solids, residual chlorine
- Operating temperature
- 5-45 °C
- Electrical
- 230/400 V 50/60 Hz, IP54-IP65 (model-dependent)
Standards & Compliance
- Material
- EPDM / PVDF / 316L / GRP / polyamide (component-dependent)
- HS Code
- 8421.99
Compatibility & Fitment
Drop-in replacement on Hamworthy Super Trident, Wärtsilä HMX MBR, Hyundai-Hatenboer HSTP, RWO ORCA, Evac MBR, Atlas-Danmark, Detegasa STX, Headhunter Tidal Wave, Acuro sewage treatment plants. Genuine OEM parts available on request; this is the verified-compatible equivalent.
Product Documentation
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Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy STP-AD-9?
- STP-AD-9 can be ordered from cballast.com: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this product?
- The manufacturer part number is STP-AD-9.
- What is the HS code for STP-AD-9?
- The customs tariff (HS) code for STP-AD-9 is 8421.99.
- Is a datasheet available for STP-AD-9?
- Yes — the STP-AD-9 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for STP-AD-9?
- The minimum order quantity is 1.
- Is STP-AD-9 available?
- Yes — STP-AD-9 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
- How do I get a price for STP-AD-9?
- Request a quotation with the quote button on this page or by email to sales@cballast.com — we reply within 24 hours with price, availability and lead time.