Features
Drive lugs
Welded metal bellows
Bi-dire ctional
Balanced
Flexible graphite auxiliary seal
Available with DOUBLE-PLY Bellows
TG680 seal, equivalent to Type MFL WT80
Recommended Applications
Refining technology, Oil and gas industry
Extreme ranges of temperature and high-viscosity media
Pumps
Special Rotating Equipment.
Operating range
Shaft diameter: d1=16...100mm
Pressure: p=0...2.5Mpa(362.5psi)
Temperature: t = -75 °C ...400 °C(-103°F to 752°F)-TG680M
t = -40 °C ...290 °C(-40°F to 554°F)-TG680C
t = -20 °C ...200 °C(-4°F to 428°F)-TG680T
Sliding velocity: Vg≤25m/s(or Vg≤5,000rpm)(82ft/m)
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure
Combination Materials
1.BELLOWS
AM350 T8 Hastelloy C-276 M5 inconel 718 M6
2.SEAL FACE
Carbon graphite AD Sintered Silicon O1 Sintered Silicon O1
antimony impreg Carbide SSlC Carbide SSIC
3.AUXILIARY SEAL
Flexible Graphite G Flexible Graphite G Flexible Graphite G
4.ROTARY HEAD
All0y 42 T4 Hastelloy C-276 M5 All0y 42 T4
5.METAL PATRTS
CrNiMo-steel G Hastelloy C-276 M5 All0y 625 T3
6.APPLICATION
Mildly corrosive medium Corrosive medium Corrosive medium