BT-FN
BT-FN
BT-FN
Features
- Single seal
- For plain shafts
- Unbalanced
- Conical spring rotating
- Dependent on direction of rotation
- Torque transmission via conical spring
Advantages
- Economical seal solution
- Universal application opportunities
- Designed for high volume seal applications
- High flexibility due to extended selectin of materials
- No damage of the shaft by clamping screws
- Dimensions can be customized
- Additional seats available
Materials
Materials
Seal face:
Al-Oxide (V, V1), Silicon carbide (Q1, Q6, Q7), Tungsten carbide (U)
Seat:
Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Carbon graphite, full carbon (B3),
Silicon carbide (Q1, Q6, Q7),
Tungsten carbide (U)
PTFE glass fiber reinforced (Y1), PTFE carbon reinforced (Y2)
Elastomers:
NBR (P), EPDM (E), FKM (V), FFKM (K)
Metal parts:
CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G)
Standards and approvals
- Various material approvals e.g. WRAS, UBA, ACS, NSF, FDA available (depending on type and material combinations). Please inquire!
- EN 12756 (FN.NU, FN.KU)
Recommended applications
- Water and wastewater technology
- Building services industry
- Chemical industry
- Food and Beverage industry
- Low solid content media
- Centrifugal pumps
- Cooling water pumps
- Pumps for domestic applications
- Centrifugal pumps
- Clean water pumps
- Pumps for domestic applications and gardening
Notes
Alternative seat ring can be supplied with short tail or long tail with slot for pin (to prevent seat rotation).
Similar products
BT-FH
- Single pusher-type seal
- Unbalanced
- Conical spring
- Dependent on direction of rotation
BT-FN
- Single seal
- For plain shafts
- Unbalanced
- Conical spring rotating
- Dependent on direction of rotation
- Torque transmission via conical spring
LY9TCS-F
- API 682 Category 2 and 3, Type C seal
- Dual seal, face-to-face
- Balanced
- Cartridge unit
- Stationary metal bellows
- Shrink fitted seal rings and solid mating rings