Product Overview
High Flow Filter Cartridge design logic trades many small cartridges for few large ones, and the K-series high flow cartridge is that product under the Water Filter Element umbrella. Built in 20, 40 and 60 inch lengths with 6 inch (152 mm) outer diameter and 3.5 inch (89 mm) inner diameter, PP media, EPDM / Buna-N / Viton seals, maximum operating temperature 82 ℃ and maximum differential pressure 3.4 Bar at 82 ℃. The 40 inch double-seal (S) version carries a suggested maximum flow of 50 m³/h per element.
Basic Technical Parameters
| Filter media | Polypropylene (PP) |
| Length options | 20 in (508 mm), 40 in (1016 mm), 60 in (1524 mm) |
| Outer / inner diameter | 152 mm / 89 mm |
| Filtration rating | 1, 2, 3, 5, 10, 20, 40, 70, 100 μm |
| Seal material | EPDM, Buna-N, Viton |
| Max operating temperature | 82 ℃ |
| Max differential pressure | 3.4 Bar at 82 ℃ |
| Suggested max flow (40 in) | 50 m³/h per element |
Power Plant Condensate Scenario
On a thermal power unit, boiler condensate returns at high temperature and carries iron oxide fines formed in the steam cycle. The double seal high flow filter sits in the condensate polishing loop before the resin bed; the double-seal end cap removes bypass leakage at the high flow rate, so fines reach the ion exchanger rather than slipping past the seat. At the RO front of a make-up water station, the same 40 inch cartridge replaces a rack of small PP cartridges, cutting change-out labor. Plants can calculate element count against flow using the 30 / 50 / 70 m³/h guide for 20 / 40 / 60 inch versions, and the High Flow Filter Cartridge catalogue lists matched housing options.
Product Advantages
Double-seal construction seals both end faces against bypass, which matters most at the 50 m³/h per-element flow. PP media covers 1 to 100 μm ratings for both coarse protection and fine polish. End cap of glass-fiber-reinforced PP and a PP drainage core keep compressive strength, while ultrasonic or hot-plate welding avoids chemical adhesive that could leach into condensate. The 6 inch diameter keeps the housing footprint small compared with multi-element banks of small cartridges.
Manufacturer And Factory Strength
Our high-flow line welds end caps ultrasonically, tests each cartridge for differential pressure and visual pleat condition, and keeps rating and seal records traceable by batch. K, L, M and R series share one housing platform family, so a plant can mix grades without changing housings. Cross-reference support for imported high-flow housings and matched consumables is available through the replacement imported filter element programme; ask the team when you contact our engineering team.
FAQ
Q1: What does double seal (S) mean on the K series?
A1: Two sealing faces at the end cap reduce bypass leakage, recommended for high-flow condensate and RO service where single seal may leak under pressure.
Q2: How many 40 inch elements are needed for 200 m³/h?
A1: At the suggested 50 m³/h per element, four elements cover nominal flow; add margin for dirty feed and pressure drop.
Q3: Is K series suitable for hot condensate above 82 ℃?
A1: No, PP media limit is 82 ℃; higher temperature duty needs glass-fiber media grade and confirmation.
Q4: Can K elements drop into imported high-flow housings?
A1: Interface dimensions follow common high-flow standards; send the OEM part number or housing drawing for cross-reference verification.
Q5: When should the element be changed?
A1: At the recommended change-out differential pressure or when outlet turbidity rises; do not wait for full blockage.
Reference: ASTM F795 standard for high-flow liquid filter element performance
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