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CTX Dual Seals
Mechanical Seal for Pumps

Product Description

  • Bi-directional design available
  • Cartridge unit
  • Category 2 and 3, Type A, Arrangement 2 or 3
  • Design acc. to API 682 / ISO 21049
  • Dual seal
  • Integrated pumping device available
  • Rotating multiple springs
  • Suitable for pressure reversals

Details

Item No. Description
1.1.1, 2.1.1 Seal face
1.1.2, 2.1.2 Driver
1.1.3, 2.1.3 Thrust ring
1.14, 2.1.4, 1.3, 2.3 O-Ring
1.1.5, 2.1.5 Sleeve
1.1.6, 2.1.6 Spring
1.1.7 Set screw
1.2, 2.2 Seat
3 Shaft sleeve
4 Key
6 Adapter
8 Washer
9 Pin
11 Housing
12 HSH cap screw
13 Assembly fixture
14 Hexagon bolt
15 Set ring
16 Set screw

Technical Features

  • Extended field of operation in terms of
    temperature and pressure
  • Fits to any seal chamber
  • Metal parts also in special materials available
  • Optimized torque transmission
  • Safe operation due to metal torque
    transmission at the rotating seat

Typical Industrial Applications

  • Light volatile and highly viscous hydrocarbons
  • Oil and gas industry
  • Petrochemical industry
  • Refining technology
  • API 610 / ISO 13709 pumps
  • Process pumps

Standards

API 682 / ISO 21049

Materials

Seal face: Carbon graphite antimony
impregnated (A), Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)
Secondary seals: EPDM (E), NBR (P), FKM
(V), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1),
Hastelloy® C-4 (M)

Performance Capabilities

Sizes: d = Upto 110 mm (Upto 4.250’’)*
Pressure: p1 = 40 bar (580 PSI)
Temperature: t = -40 °C ... +220 °C (-40 °F ...428 °F)
Speed = 23 m/s (75 ft/s)
Permissible axial movement: ± 2.0 ... 4.0 mm
depending on diameter and installation situation

B750VK

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