STP Biofilter Bed Support Nozzle 316L 25 mm (replacement)
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Product Description
Generic STP-BFN-25 STP Biofilter Bed Support Nozzle 316L 25 mm — slotted strainer nozzle for biofilter / sand-bed support and air-scour distribution on submerged biofilter S.
Technical Specifications
- material
- 316L stainless body + 316L slotted strainer + EPDM O-ring + 3/4 NPT thread + 0.2 mm slot width Standards: IMO MEPC.227(64) revised guidelines on implementation of effluent standards and performance tests for sewage treatment plants, MARPOL Annex IV regulations for the prevention of pollution by sewage from ships, EN 12255-15 wastewater treatment plants — measurement of oxygen transfer in clean water, ISO 5198 centrifugal pump performance testing — Class 1 / Class 2 Approvals: CE LVD 2014/35/EU, CE EMC 2014/30/EU, CE with Module B/D (MarED) where applicable, IACS UR M77/E10 compliant when fitted as like-for-like on certified equipment HS code: 8421.99
Standards & Compliance
- Material
- 316L stainless body + 316L slotted strainer + EPDM O-ring + 3/4 NPT thread + 0.2 mm slot width
- HS Code
- 8421.99
Compatibility & Fitment
Form-fit envelope for biofilter bed support nozzle renewal on submerged-biofilter sewage treatment plants.
Product Documentation
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Catalogue entry last verified: 2026-08-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy STP-BFN-25?
- STP-BFN-25 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-BFN-25.
- What is the HS code for STP-BFN-25?
- The customs tariff (HS) code for STP-BFN-25 is 8421.99.
- Is a datasheet available for STP-BFN-25?
- Yes — the STP-BFN-25 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for STP-BFN-25?
- The minimum order quantity is 1.
- Is STP-BFN-25 available?
- Yes — STP-BFN-25 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-BFN-25?
- 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.