Single seals Cartex

Advantages

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

Features

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

Technical informations

Cartex-SN, -SNO, -QN, -TN, -Vario  - all variants
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 materail 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

 

Product variants

Cartex-SNO - Single seal without connections, for dead-end operation.

Cartex-TN - Single seal, same as Cartex-SN but with throttle ring (item 16). The cover has auxiliary connections for flushing and quench. Throttle ring: PTFE carbon-graphite reinforced (T12).

Cartex-QN - Single seal for operation with unpressurized quench. Same as "-SN' version but with outboard lip seal (item 16). The cover has auxiliary connections for flushing and quench.
Lip seal: NBR (P), PTFE carbon reinforced (T3).

Cartex-Vario - Cartridge seals with modified cover for eccentric screw pumps.