LY9DZTT

Produkt anfragen

LY9DZTT

LY9DZTT
Produkt anfragen
Item Description
1.1 Seal ring with bellows unit
1.2 Gasket
1.3, 10, 26 Spring washer
1.4, 11 HSH Cap screw
2 Mating ring
3, 5, 13, 14 Graphite ring
4 Retainer
6 Retaining ring
7 Thrust ring
8 Split ring
9 Drive ring
15, 17 Gland plate
12 Seal sleeve with pumping ring
20, 27 Hexagon bolt
22 Drive collar
24 Clamp sleeve
25 Set screw
28 Setting device


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

LY9DZTT

Merkmale

  • API 682 Category 2 and 3, Type C, Arrangement 2 and 3 seal
  • Dual seal in face-to-back arrangement
  • Balanced
  • Cartridge unit
  • Stationary metal bellows
  • Shrink fitted seal rings and solid mating rings

Vorteile

  • Suitable for higher speeds
  • Good followability due to no influence from run-out, squareness or vibration of the shaft
  • Compact design
  • Low heat generation and power consumption due to narrow seal face width
  • Longer seal life
  • Also available in double ply design
  • Suited for applications with extreme high and low temperatures
  • Absence of dynamic O-Ring eleminates/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

Einsatzbereich

Shaft diameter: d1 = 20 ... 110 mm (0.79" ... 4.33")
Pressure single ply bellows: p = vacuum ... 20 bar (... 290 PSI)
Pressure double ply bellows: p = vacuum ... 35 bar (... 508 PSI)
Temperature: t = -130 ºC ... +400 ºC (-202 ºF ... +752 ºF)
Sliding velocity: vg ... 50 m/s (... 164 ft/s)

Werkstoffe

Seal rings: Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2)
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Bellows: Inconel® 718 (M6)
Secondary seals: Graphite (G)
Metal parts: CrNiMo steel 316 (G),
Carpenter® 42 (T4)

Standards und Freigaben

  • API 682 / ISO 21049
  • API 682 4th ed. Cat. 2/3 - 2CW-CW
  • API 682 4th ed. Cat. 2/3 - 3CW-FB

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