Conical spring balanced seals

Mechanical seal DALLAS (conical spring balanced selas)

Technical features

  • Single seal
  • Balanced
  • Conical spring
  • Uni-directional
  • To DIN 24960

Operating limits

  • P = 348 PSI
  • T = -95 to 320°F
  • V = 49 ft/s
Description Materials
Primary rings silicon carbide, tungsten carbide, carbon graphite
Mating rings silicon carbide, ceramic, carbon graphite, stainless
Secondary seal NBR, EPDM, Viton
Metal parts Stainless 304
Mechanical seal DALLAS (technical drawing)

Product description

The Conical Spring ‘O’-Ring Mounted Type Seals offered by Cityline are extremely popular seals. These robust, technically procient seals.

The proven e cient design and wide choice of ‘O’-Ring and face materials enable these seals to be utilised in a large variety of applications. Suited for pumps, mixers, agitators, compressors and other rotary shaft equipment. 

Available products

  • Dallas 1 (DA1)
  • Dallas 2 (DA2)

Stationary Seats

  • US7
  • US9 (to DIN 24960)
product detail [pdf: 171.53 KB]

complete catalog [pdf: 5.71 KB]

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