Pureflo

String wound cartridges

Website comparison sheet · Revision 23 October 2026 · Source: CSD-supplied Pureflo customer catalogue. This is not a certified engineering drawing. Availability and application suitability require confirmation.

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String wound specifications

Catalogue specifications for shortlisting. Confirm the exact configuration, current availability and operating limits with your quotation.

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Polypropylene and cotton cartridges
SpecificationPP-PPPP-TS / PP-SSCT-PPCT-TS / CT-SS
MediaPolypropylenePolypropyleneBleached cottonBleached cotton
CorePolypropyleneTinned steel / 304 stainless steelPolypropyleneTinned steel / 304 stainless steel
End typeDOE; SOE options belowDOEDOEDOE
Inner diameter27.8 mm; 30 mm option27.8 mm27.8–30 mm28 mm
Outer diameter62–63 mm62–63 mm63–64 mm63–64 mm
Maximum temperature75–80°C93°C75–80°C250°C
Maximum pressure115 psi115 psi115 psi115 psi

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Ratings and lengths
RangeMicron ratings listedNominal lengths
Polypropylene0.2, 0.5, 1, 3, 5, 10, 20, 25, 30, 50, 75, 100, 200 µm5, 10, 20, 30, 40 inches; other lengths on request
Cotton0.5, 1, 3, 5, 10, 20, 25, 30, 50, 75, 100, 200 µm5, 10, 20, 30, 40 inches; other lengths on request
PP Big Blue0.5, 1, 3, 5, 10, 20, 25, 30, 50, 75, 100 µm9.875, 10, 20, 29.5, 30, 40 inches

PP Big Blue has a polypropylene core, 27.8 mm inner diameter and 114.3 mm (4.5 inch) outer diameter. Catalogue limits: 75–80°C and 115 psi.

End connections and ordering

Double open end (DOE) is the standard blank suffix. Single open end (SOE) options: SOE3 — 222 O-ring and flat cap; SOE7 — 226 O-ring and spear; SOE8 — 222 O-ring and spear. O-ring suffixes: N — nitrile; P — PVC; S — silicone; V — Viton.

Ordering structure: media + micron rating − length + core + optional end/O-ring suffix. Catalogue examples: PP5-20PP SOE3P — polypropylene, 5 micron, 20 inch, polypropylene core, 222 PVC O-ring and flat cap; CT5-20TS — cotton, 5 micron, 20 inch, tinned steel core; PP5-20BB — 5 micron, 20 inch Big Blue. DF-style example: DF1-10PP, 1 micron, 10 inch.

Standard PP/cotton ordering lengths include 5, 9.875, 10, 19.5, 20, 29.25, 29.5, 29.75, 30, 39 and 40 inches. Check non-standard combinations with the team.

Packaging

Cartridges are individually bagged: 120 mm (4.75 inch), 60 per carton; 254 mm (10 inch), 30 per carton; 20, 30 and 40 inch, 15 per carton.

Source: Pureflo customer catalogue, printed pages 4–10. Maximum temperature and pressure are separate catalogue ratings; confirm combined operating conditions and liquid compatibility before selection.

JAKIM Halal certified

Polypropylene and cotton string wound cartridges (PP, stainless steel and tinned steel cores) are JAKIM Halal certified. Certificate on request.

Sales: mycsd@nordintech.com · +603 3149 4100 · pureflo.com.my