Datasheet summary
Kpak 8638-M-300-LPP
Engineering summary from PDF text extraction for Kpak 8638-M-300-LPP. Verify every value with the OEM datasheet.
Summary
Product Identification
- KMS Part Number (KPN): 0750787
- Membrane Chemistry: PVDF
- Membrane Type: HFM (Neutral Charge)
- Membrane Area: 288 ft² (26.7 m²)
- Construction: Spiral wound element with integrated PVC housing
- Feed Spacer Thickness: 30 mils (0.76 mm)
- Interconnecting Components: See the official PDF for specific details.
Operating Limits
- Maximum Inlet Pressure at Temperature:
- 80.0 psi @ 110 °F (5.5 bar @ 43 °C)
- 64.0 psi @ 120 °F (4.4 bar @ 49 °C)
- Minimum Outlet Pressure: 10.0 psi (0.70 bar)
- Maximum Operating Temperature at Pressure: 125 °F @ 56 psi (51.6 °C @ 3.9 bar)
- Maximum Permeate Side Back Pressure: 5.0 psi (0.34 bar)
- Maximum Feed Side Pressure Drop: 35.0 psi @ 125 °F (2.4 bar @ 51.6 °C)
- Allowable pH – Continuous Exposure: 2.0 – 10.0 pH @ 125 °F (51.6 °C)
- Allowable pH – Short Term Exposure: 1.5 – 10.5 pH @ 125 °F (51.6 °C)
Koch Membrane Systems, Inc. must review operating and cleaning conditions for all new plants and any changes to existing plants.
Mechanical / Hydraulic
Product Dimensions
- Element Length: 39.25 in (997.0 mm)
- Element O.D.: 8.63 in (219.2 mm)
- Permeate Tube I.D.: 1.3 in (33.0 mm)
- Element Shipping Weight: 70 lbs (32 kg)
- Element Working Weight: 90 lbs (40.82 kg)
Feed Flow vs. Pressure Drop (Typical)
(Data are based on water @ 77 °F and a specific gravity of 1.0)
- Circulation Flow 62 gpm (14.1 m³/hr) produces a Pressure Drop of 25 psi (1.7 bar)
- Circulation Flow 70 gpm (15.9 m³/hr) produces a Pressure Drop of 30 psi (2.1 bar)
- Circulation Flow 75 gpm (17.0 m³/hr) produces a Pressure Drop of 35 psi (2.4 bar)
8" KPAK Spiral Module Assembly Kits
- KPN 0211860 – Kit for New Systems
- KPN 0211851 – Retrofit Kit with 2” Process Ports
- KPN 0211858 – Retrofit Kit with 1 ½” Process Ports
The official PDF contains a detailed table of component descriptions, materials, KPNs, and quantities required for these kits. See the official PDF for exact tabulated values.
Disclaimer: This summary is based solely on the provided text extract. It may not include all figures, footnotes, or the latest revisions present in the complete OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.