Cartex ANSI
Single seals

Cartex ANSI <br/>
Single seals For a larger view, please mouseover the image.
For a larger view, please mouseover the image.
Item Description
1 Seal face
2, 5, 7 O-Ring
3 Spring
4 Seat
6 Shaft sleeve
8 Drive collar
9 Set screw
10 Snap ring
11 Cover
12 Assembly fixture (remove after intallation)
13 Screw
14 Gasket
15 Screw plug
16 Lip seal (-QN), throttle ring (-TN)
  • Single seal
  • Available for standard (Cartex-ASPN) and big bore (Cartex-ABPN) seal chambers
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Single seals with flush (-ASPN, -ABPN) and with quench combined with lip seal (-ASQN, -ABQN) or throttle ring (-ASTN, -ABTN)
  • Ideal for use in ANSI process pumps
  • Universal applicable for packings conversions, retrofits or original equipment
  • Seal for standardizations
  • No dimensional modification of the seal chamber necessary, small radial installation height
  • No damage of the shaft by dynamically loaded O-Ring
  • Extended service life
  • Installation faults are avoided, cost-effective
  • No damage caused by dirt entered during assembly
  • Straightforward and easy installation due to pre-assembled unit (reduced down-times)

Shaft diameter: d1 = 1.000" ... 3.750"
Other sizes on request
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
Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K), Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G)
  • Process industry
  • Petrochemical industry
  • Chemical industry
  • Pharmaceutical industry
  • Power plant technology
  • Pulp and paper industry
  • Water and waste water technology
  • Mining industry
  • Food and beverage industry
  • Universally applicable
  • ANSI process pumps