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Standard Cartridge Seals

CTX Dual Seals

CE0035 Certification
EC 1935/2004 Certification
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CTX

CTX Dual Seals

Product Description

  • Dual seal configuration
  • Balanced design
  • Independent of direction of rotation
  • Cartridge construction
  • Double pressure balanced
  • Designed with integrated pumpingdevice for increased efficiency incirculation
  • Special design available for eccentricscrew pumps
Details
Item No. Description
1 Seal face
2, 5, 7, 10, 13 15 O-Ring
11 Spring
12 Seat
6 Shaft sleeve
8 Cover
9 Seal face
14 Drive collar
16 Set screw
17 Snap ring
18 Assembly fixture
19 HSH Cap Screw
20 Gasket
21 Screw plug
22 Gasket
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CTX
CTX
CTX
CTX
CTX
CTX
Technical Features
  • Ideal for use in process pumpstandardization
  • O-ring is dynamically loaded to preventshaft damage.
  • Dimensional modification of the stuffingbox chamber is not required due toshort radial installation height
  • Ideal to convert and retrofit pumps withpackings and large volume OEMproduction
  • Cartridge unit factory assembled foreasy installation, which reduces down-time
  • Rugged design for long operating life
  • Chemical industry
  • Food and beverage industry
  • Petrochemical industry
  • Pharmaceutical industry
  • Universally applicable
  • Water and waste water technology
  • Centrifugal pumps
  • Eccentric screw pumps
  • Seal face: Silicon carbide (Q1), Carbongraphite resin impregnated (B), Tungstencarbide (U2)
  • Seat: Silicon carbide (Q1)
  • Secondary seals: FKM (V), EPDM (E),FFKM (K), Perfluorocarbon rubber/PTFE (U1)
  • Springs: Hastelloy® C-4 (M)
  • Metal parts: CrNiMo steel (G), CrNiMo caststeel (G)
  • Sizes: d1 = Upto 100 mm (Upto 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)
    Speed = 16 m/s (52 ft/s)
  • Sliding face material combination Q1Q1 orU2Q1
    Pressure: p1 = 20 bar (290 PSI)
    Speed = 10 m/s (33 ft/s)
    Barrier fluid circulation system:
    p3max = 25 bar (363 PSI)
    Δp (p3 - p1 ) ideal = 2 ... 3 bar (29 ... 44 PSI),
    7 bar (102 PSI) for barrier media with poor
    lubricating properties)
    Pump startup:
    Δp (p3 - p1 )max = 25 bar (363 PSI) allowed
    Recommended supply medium: max. ISO VG 5
    Permissible axial movement: ± 1.0 mm,
    d1 ≥ 75 mm ± 1.5 mm

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