MHCA-8-64

Summary

Product Identification

This document provides a detailed overview for Wila A/S Membrane Housings, specifically the MHCA-8-64 type. These housings are designed for high-pressure applications up to 64 bar and are intended for RO filtration in the food and beverage industry, suitable for liquid-containing products such as juice, beer, soy, whey, milk, milk powder, and chocolate.

The product designation "MHCA-8-64bar-X-element – Model _" is defined as:

• MHCA: Membrane Housing with Clamp ferrule connections for Feed and Retentate, with 3A certificate.
• 8: Designed for 7.9” x 38” (8038) membranes.
• 64bar: Designed for pressures up to 64 bar and temperatures up to 85°C.
• X: Indicates the number of elements that can be fitted, ranging from 1 to 6 elements.
• _: Indicates Feed and Retentate connection arrangement, either A or C. Other arrangements are available.

Operating Limits

• Maximum Pressure: 64 barg
• Maximum Temperature: 85°C

Mechanical / Hydraulic

• Construction Material: EN 1.4404 and EN 1.4462 stainless steel.
• Surface Roughness:
  • Inside surface: ≤ 0.8 µm
  • Outside surface: ≤ 1.6 µm
• Membrane Type: Designed for 7.9" diameter x 38" length (8038) membranes.
• Connections: Tri-clamp connections are used for Feed, Retentate, and Permeate. SH or SSH clamps are recommended for 64 bar pressure rating. The housing should be installed with the Retentate outlet at the highest point for better air venting.
  • Permeate Connection Internal Diameter: Ø28.9 mm
  • Feed and Retentate Clamp Ferrules: Available in sizes such as 76, 65, 51, 50, 3.0, 2.5, 2.0 (refer to OEM PDF for full list of sizes and types).
    • 76 - 51 - 38 - 25 translates to Ø76 - Ø63.5 - Ø38 - Ø25 in accordance with ISO 2852-2.
    • 50 – 40 – 26 translates to DN50 – DN40 – DN25 in accordance with DIN 32676-A.
    • 3.0 - 2.5 - 2.0 - 1.5 - 1.0 translates to 3” - 2.5” - 2” - 1.5” - 1” in accordance with DIN 32676-C.
  • Permeate End Clamp Ferrule: Available in sizes such as 38, 25, 40, 26, 1.5, 1.0 (refer to OEM PDF for full list of sizes and types).
• Housing Specifications by Number of Elements:
  • 1-element:
    • Volume: 41 liters
    • Dry weight: 43 kg
  • 2-element:
    • Volume: 72 liters
    • Dry weight: 62 kg
  • 3-element:
    • Volume: 104 liters
    • Dry weight: 78 kg
  • 4-element:
    • Volume: 136 liters
    • Dry weight: 94 kg
  • 5-element:
    • Volume: 168 liters
    • Dry weight: 110 kg
  • 6-element:
    • Volume: 200 liters
    • Dry weight: 126 kg

For detailed dimensions (TL, HL, CL, IL) and specific connection arrangements (Model A, Model C) across various models, refer to the official PDF.

Regulations and Directives

The membrane housing is designed and manufactured in accordance with:

• European Commission regulation No. 2023/2006 (Good Manufacturing Practices)
• European Parliament directive No. EN 1935/2004 (Food Contact Materials)
• European Parliament directive No. EN 1907/2006 (Chemical Restrictions (REACH)
• PED - Article 4.3 (SEP) in the European Parliament directive No. 2014/68/EU (Pressure Equipment Directive) - designed for fluid group 2 (non-dangerous fluids).
• PED - Category I and EN 13445 for both 5 and 6 element housings.
• 3-A Sanitary Standards 00-01 / 45-03

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

Official datasheet (PDF)

PDF datasheet