ROGA-8040-HR-325 8"

Summary

Product Identification

• Product Line: FLUID SYSTEMS® ROGA®- HR 8” ELEMENTS
• Membrane Chemistry: Proprietary ROGA® cellulose acetate
• Membrane Type: ROGA®-HR membrane
• Construction: Spiral wound with fiberglass outerwrap
• Applications: High rejection for municipal water treatment, municipal wastewater reclamation, industrial water supply, and where chlorine is needed on a regular basis.

Specifications

Test Conditions: 2,000 mg/l NaCl solution at 420 psi (2,900 kPa) applied pressure, 15% recovery, 77°F (25°C) and pH 5.7.

Performance Notes:

• Individual element permeate flows may vary +15/-15% from the nominal values shown.
• Minimum chloride ion rejection is 97% at the specified test conditions.
• KMS ROPRO® software is recommended for predicting system performance.
• KMS NORMPRO® software is recommended for normalizing system operating data and tracking key performance parameters.

Operating Limits

• Typical Operating Pressure: 420 psi (2,900 kPa)
• Maximum Operating Pressure: 600 psi (4,140 kPa)
• Permeate Pressure: Should not exceed feed-concentrate pressure by more than 5 psi (34 kPa) at any time.
• Maximum Operating Temperature: 104°F (40°C)
• Maximum Cleaning Temperature: 104°F (40°C)
• Allowable pH – Continuous Operation: 4 - 6
• Allowable pH – Short Term Cleaning: 2.5 - 7 (recommended to limit exposure to extended pH range to 4 hours, once per month)
• Maximum Differential Pressure per 40” Long Element: 10 psi (69 kPa)
• Maximum Differential Pressure Per Vessel: 60 psi (414 kPa)
• Maximum Feed Turbidity: 1 NTU (feedwater with turbidity greater than 0.2 NTU generally results in frequent cleanings)
• Maximum Feed SDI (15 minute test): 5.0
• Maximum Continuous Free Chlorine: <1 mg/l (or similarly active oxidizing agents such as iodine, bromine and ozone, expressed as free chlorine equivalent).
• Recovery: Maximum recovery is site and application specific. Single element recovery is approximately 15%. Recovery limits should be determined using KMS ROPRO program.

Feed Water

• pH Adjustment: Feedwater pH should be adjusted to a practical value of approximately 5.7 to minimize membrane hydrolysis. Above pH 6, these effects may become significant and may reduce the effective life of a membrane.
• Feed Spacers: KMS recommends the use of 31 mil thick feed spacers (standard construction) for applications where the feedwater has higher fouling potential.

Mechanical / Hydraulic

Nominal Dimensions and Weight (Dimensions are provided for reference only and should not be interpreted as accurate specifications.)

Lubricants: For element loading, use only the recommended silicone lubricant (or approved equivalent), water or glycerin to lubricate O-rings and brine seals. The use of petroleum-based lubricants or vegetable-based oils may damage the element and void the warranty.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF datasheet. Contractual data must match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet