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Custom & Specialty Spiral Elements

Making What The Competition Can't Or Won't

MANN+HUMMEL Water & Fluid Solutions sets itself apart from other membrane manufacturers by offering our customers the option to request specialty and customized products. Our ability to provide a wide range of custom products allows our customers to order elements uniquely designed to suit their applications.

Whether our customers need a partner for the development of a new membrane product, require products with special construction, or want a trusted supplier for niche membrane applications, MANN+HUMMEL Water & Fluid Solutions provides a solution when other suppliers can’t or won’t meet their needs. Contact us to customize a product that satisfies your requirements.

Element Size

Elements available in the following diameters:

  • 1.8 and 2.5 inch
  • 3.8 and 4 inch
  • 6.3 inch
  • 8, 8.3, and 8.5 inch


Elements available in the following outerwrap types:

  • TurboClean® Sanitary
  • Fiberglass
  • Tape-Wrapped
  • Net-Wrapped

Permeate Tube

Elements available with the following tube styles:

  • Female (flush-ended)
  • Male (tube-extended)
  • Application-Specific Materials
  • Direct Replacements for All Manufacturers

Feed Spacer

Elements available with the following feed spacers:

  • Thickness from 24 mil to 90 mil
  • Diamond, Parallel, Asymmetric and Open Channel Designs

Feed Properties

Elements available for the following feed conditions:

  • Classic Design
  • Hot-Water Sanitizable
  • Warm Temperature – 60°C Continuous
  • High Temperature – 80°C Continuous
  • Extreme Cleaning (High pH / High Temperature)
  • High Pressure – 83 bar / 1200 psi Max
  • Ultra-High Pressure – 120 bar / 1740 psi Max

Membrane Options

All MANN+HUMMEL Water & Fluid Solutions membranes can be used in custom element designs, including:

  • RO – Thin-Film and Cellulose Acetate
  • NF – Softening, Desalting, and Cellulose Acetate
  • UF/MF – PES and PVDF from 4,000 Da MWCO to 0.2 micron