Compact wave spring seals

Mechanical seal CURITIBA (compact wave spring seals)

Technical features

  • Single seal
  • Unbalanced
  • Bi-directional
  • Spring enclosed
  • Elastomer bellows

Operating limits

  • P = 87 PSI
  • T = -95 to 320°F
  • V = 32 ft/s
Description Materials
Primary rings silicon carbide, tungsten carbide, carbon graphite, phenolic graphite
Mating rings silicon carbide, ceramic, tungsten carbide
Secondary seal NBR, EPDM, Viton
Metal parts Stainless 304
Mechanical seal CURITIBA (technical drawing)

Product description

The CityLine Wave Spring mechanical seals are Bi-directional and offer proven seal design and wave spring technology, in a range of material combinations, enhanced by superior design features, all at very competitive pricing.

It was specically designed for short working length and hygienic requirements, such as rotary lobe pumps. Their principle applications are often also for liquids of high viscosity. These are commonly found in the food, dairy, brewery and pharmaceutical industries. The compact design makes this seal an excellent choice for confined, shallow seal housing areas, or even external seal mounted applications.

Available products

  • Curitiba 1 (CB1)
  • Curitiba 2 (CB2) - with face shrink fitted

Stationary Seats

  • DE3 (monolithic short seat)
  • DE2 (monolithic long seat, anti-rotation pin slot)
  • NL3 (face shrink fitted, anti-rotation pin slot, to DIN24960)
  • NL4 (short seat, face shrink fitted, anti-rotation pin slot, to DIN24960)
  • DE1 (face shrink fitted, anti-rotation pin slot)
  • NL2 (monolithic short seat, to DIN24960)
  • NL1 (monolithic long seat, anti-rotation pin slot, to DIN24960)
product detail [pdf: 155.40 KB]

complete catalog [pdf: 5.71 KB]

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