Cartex Single seals Burmann mechanical seals

Cartex Single seals

Features

  • Single seal
  • Cartridge
  • Also Balanced
  • Independent of direction of rotation
  • Single seals without connections (-SNO), with flush (-SN) and also with quench combined with lip seal (-QN) or throttle ring (-TN)
  • Additional variants available for ANSI pumps (e.g. -ABPN) and also eccentric screw pumps (-Vario)

Advantages

  • Ideal seal for standardizations
  • Also Universal applicable for packings conversions,also retrofits or original equipment
  • No dimensional modification of the seal chamber (centrifugal pumps) necessary,also small radial installation height
  • No damage of the shaft by dynamically loaded O-Ring
  • Extended service life
  • Straightforward and also easy installation due to pre-assembled unit
  • Individual adaptation to pump design possible
  • Also Customer specific versions available

Operating range

Cartex-SN, -SNO, -QN, -TN, -Vario

Shaft diameter:
d1 = 25 … 100 mm (1.000″ … 4.000″)
Other sizes on request
Temperature:
t = -40 °C … 220 °C (-40 °F … 428 °F)
(Check O-Ring resistance)

Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)

Sliding face material combination
Q1Q1 or U2Q1
Pressure: p1 = 12 bar (174 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)

Axial movement:
±1.0 mm, d1 ≥75 mm ±1.5 mm

Cartex Single seals Materials

Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B),also Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E),also FFKM (K), Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G),also CrNiMo cast steel (G)

 

Download catalog for more information:Cartex Single seals