Item Description
1.1 Seal face
1.2 Bellows
1.3 Collar
1.4 Spring
1.5 L-Ring
2.1 Seat
2.2 Gasket

BT-A2

Features

  • Unbalanced
  • Single spring
  • Independent of direction of rotation
  • Stationary spring-loaded unit

Advantages

  • Stationary mechanical seal in inch dimensions
  • Compact design
  • Rotating mating ring
  • No torsion on bellows
  • High volume seal for use in low pressure, small diameter rotary shaft applications

Operating range

Shaft diameter: d1 = 0.500”, 0.625”, 0.750”
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),Full carbon grade (B3)
Seat: Al-Oxide (V1), Silicon carbide (Q1)
Elastomers: NBR (P), EPDM (E), FKM (V)
Metal parts: CrNi steel (F), CrNiMo steel (G)

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