Pre-Filtration Stage

Assembly

No photo yet. Seen one of these? Suggest a photo.

Sequential 20 µm and 5 µm cartridge filters that protect the plunger pump and membranes from particulate fouling.

Direct parts	5
Total parts	6
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

Sequential 20 µm and 5 µm cartridge filters that protect the plunger pump and membranes from particulate fouling. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Pre-Filtration Stage parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below

Pre-Filtration Stage parts diagram: 1 cartridge filter housing, 2 20 µm filter cartridge, 3 5 µm filter cartridge, 4 pressure sensor, 5 o-ring set. 6 parts in 5 top-level items. — Pre-Filtration Stage parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Cartridge Filter Housing	2×	Clear polypropylene housing accepting standard 10-inch filter cartridges.
2	20 µm Filter Cartridge	1×	Pleated first-stage cartridge that takes the bulk sediment load.
3	5 µm Filter Cartridge	1×	Final polishing cartridge; particles passing it are small enough not to score the pump plungers.
4	Pressure Sensor	1×	Filter ΔP / clog warning
5	O-Ring Set	1×	Housing bowl seals

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Pre-Filtration Stage

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Cartridge Filter Housing	desalination-watermaker-filter-housing	2×	2	·	part
2	20 µm Filter Cartridge	desalination-watermaker-20um-cartridge	1×	1	·	part
3	5 µm Filter Cartridge	desalination-watermaker-5um-cartridge	1×	1	·	part
4	Pressure Sensor	pressure-sensor	1×	1	·	part
5	O-Ring Set	oring-set	1×	1	·	part

Something wrong in this list? Report a problem with this BOM.

Where the pre-filtration stage is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Marine 1 Marine Watermaker (RO Desalinator)

Used in 1 assembly

Marine Watermaker (RO Desalinator)

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks