Burgamnn BT-FH.NU Unbalanced Seal
Replacement：BURGMANN BT-FH, AES T06D, Roten UNITEN 5K
Temperature：-20 to +150℃
Pressure：≤1Mpa
Speed：≤10m/s
Material：B,A1,Q1,Q2,U2,P,E,N,V,F,G,Alfa
The BT-FH is a seal for demanding applications where
operating conditions in the pump require machined metal
parts for the mechanical seal. The seals are available
in a full range of diameters from 10 to 100mm and
in the standard diameters specifically for chemical
applications.
Shaft diameter: d1 = 10…100mm (0.39"…3.94")
Pressure: p1*= 12 (16)bar (174 (232) PSI)
Temperature: t* = -35 °C… +200 °C (-31 °F…+392 °F)
Sliding velocity: vg = 15m/s (49 ft/s)
* Dependent on medium, size and material
Materials (see fold-out page 28)
Seal face: Aluminium oxide (V), Silicon carbide (Q1),
Tungsten carbide (U1)
Seat: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1), Tungsten carbide (U1)
Elastomers: NBR (P), EPDM (E), FKM (V), FFKM (K)
Metal parts: CrNiMo steel 1.4401 (G)
Recommended applications
• Chemical industry
• Building services industry
• Centrifugal pumps
• Clean water pumps
