LY9TCS

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LY9TCS

LY9TCS
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LY9TCS-T
Dual seal
Arrangement: Face-to-back (Tandem),
2CW-CW, 3CW-FB

Item Description
1, 11 Seal ring with bellows unit
3, 4, 5, 6, 7, 8, 9, 10 Graphite ring
2, 20 Mating ring
12, 13 Set screw
14 Seal sleeve with pumping screw
15 Gland plate
16 Adapter
17 Spiral wound gasket
18 Flow guide
19 Assembly fixture


F Flush
LBO Liquid buffer/barrier OUT
LBI Liquid buffer/barrier IN

LY9TCS

Features

  • API 682 Category 2 and 3, Type C seal
  • Balanced
  • Cartridge unit
  • Stationary metal bellows
  • Shrink fitted seal rings and solid mating rings

Advantages

  • Suitable for higher speeds
  • Good followability due to no influence from run-out, squareness or vibration of the shaft
  • Compact design
  • Also available in double ply design
  • Suited for application with extreme high and low temperature
  • Absence of dynamic O-ring eliminates/reduces seal face hang-up
  • Bellows design minimizes variation in face load due to shaft expansion or face wear
  • Resistant to abrasive particles in the medium, no shaft or sleeve fretting

Operating range

Shaft diameter:
d1 = 20 … 110 mm* (0.79" … 4.33"*)
Pressure single ply bellows:
p = vacuum … 25 bar* (… 363 PSI*)
Pressure double ply bellows:
p = vacuum … 35 bar (… 508 PSI)
Temperature:
t = -75 °C* … +400 °C (-103 °F* … 752 °F)
Sliding velocity:
vg = … 50 m/s* (…164 ft/s*)

* Please contact an EagleBurgmann engineering expert when the operating range of the required seal exceeds the range shown above.

Materials

Seal ring: Blister resistant carbon (C4), RBSiC (Q2)
Mating ring: RBSiC (Q2)
Bellows: Inconel® 718 (M6)
Secondary seal: Graphite (G)
Metal parts: CrNiMo steel 316/316L (G), Carpenter® 42 (T4)

Standards and approvals

  • API 682 / ISO 21049
  • API 682 4th ed. Cat. 2/3
  • Compliant to TA Luft (German Clean Air Act) (LY9TCS-T, LY9TCS-F)


Product variants

LY9TCS-S
Single seal
Arrangement: 1CW-FL
LY9TCS-F
Dual seal
Arrangement: Face-to-face, 3CW-FF

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The Eagleburgmann Group

Sealing technology for plants and machines

EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.

Mechanical seals and more

Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.

What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.

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