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CTX ANSI Single Seals
Mechanical Seals for Pumps

Product Description

  • Balanced
  • Cartridge
  • Double pressure balanced
  • Dual seal
  • Independent of direction of rotation
  • Integrated pumping device
  • Variants available: for eccentric screw pumps

Details

Item No. Description
1 Seal face
2, 5, 7, 10, 13 15 O-Ring
3 Spring
4 Seat
6 Shaft sleeve
8 Cover
9 Seal face
11 Spring
12 Seat
14 Drive collar
16 Set screw
17 Snap ring
18 Assembly fixture
19 Hex socket head screw
20 Gasket
21 Screw plug

Technical Features

  • Cost-effective
  • Easy installation due to pre-assembled unit
    (reduced down-times)
  • Extended service life
  • Ideal seal for standardizations
  • No damage of the shaft by dynamically loaded
    O-Ring
  • Universal applicable for packings conversions,
    retrofits or OEM

Typical Industrial Applications

  • Chemical industry
  • Food and beverage industry
  • Petrochemical industry
  • Pharmaceutical industry
  • Universally applicable
  • Water and waste water technology
  • Centrifugal pumps
  • Eccentric screw pumps

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), Perfluorocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)

Performance Capabilities

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 or U2Q1
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

CTX Dual Seals
 
 
 

Standard Cartridge Seals

Mechanical Seals As Per API 682

Split Seals

Engineered Seals For Demanding Applications

Standard Mechanical Seals For Pumps & Compressors

Mechanical Seals For Agitators, Mixers, Kneaders & Reactors

Supply Systems & Components

API 682 / ISO 21049

Technical Information