Mechanical Seal Cartex Single seal

Type in the Iseal : ISSingle

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

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
13	Screw
14	Gasket
15	Screw plug
16	Lip seal (-QN), throttle ring (-TN)

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)

Materials

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), CrNiMo cast steel (G)

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