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CTX ANSI Single Seals
Mechanical Seals for Pumps

Product Description

  • Dual seal
  • Available for standard (CTX-ASDN) and big
    bore (CTX-ABDN) seal chambers
  • Balanced
  • Cartridge
  • Double pressure balanced
  • Independent of direction of rotation
  • Integrated pumping device

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
22 Gasket

Technical Features

  • Ideal for use in ANSI process pumps
  • No damage of the shaft by dynamically
    loaded O-Ring
  • No dimensional modification of the seal
    chamber necessary, small radial installation
    height
  • Universal applicable for packings
    conversions, retrofits or OEM

Typical Industrial Applications

  • ANSI process pumps
  • Chemical industry
  • Food and beverage industry
  • Petrochemical industry
  • Pharmaceutical industry
  • Universally applicable
  • Water and waste water technology

Standards

ANSI

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 ANSI 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