mechanicalseal-bt-a2
BT-A2 seal

Features

  • Rubber bellows mechanical seal
  • Unbalanced
  • Single spring
  • Independent of direction of rotation
  • Stationary design

Advantages

Stationary mechanical seal in inch dimensions. Spread
throughout the world, this type of mechanical seal has reached an unsurpassed
quality level. The BT-A2 features all carbon or high quality resin impregnated
carbon, aluminium oxide 96 %, is stationary and the rubber bellows are glued on
collar. Static air pressure test to 100 % production. Excellent solution for
swimming pool pumps.

BT-A2-drawing

Operating range

  • Shaft diameter: d1 = 1/2″, 5/8″, 3/4″
  • Pressure: p1* = 4 bar (58 PSI)
  • Temperature:
  • t* = -20 °C … +90 °C (-4 °F … +194 °F)
  • Sliding velocity: vg = 10 m/s (33 ft/s)

* Dependent on medium, size and materials

Materials

  • Seal face: Carbon graphite resin
  • impregnated (B), Carbon graphite, full
  • carbon (B3)
  • Seat: Aluminium oxide (V1),
  • Silicon carbide (Q1)
  • Elastomers: NBR (P), EPDM (E), FKM (V)
  • Metal parts: CrNi steel (F), CrNiMo steel (G)
ItemDescription
1Seal face
2Seat
3Bellows
3aGasket
4Spring
5Collar
5aL-ring


Recommended applications

  • Pool and spa applications
  • Household appliances
  • Domestic and garden pumps
  • Clean water pumps
  • Swimming pool pumps
  • Whirlpool pumps