BT-PNT

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BT-PNT

BT-PNT
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Item Description
1.1 Seal face
1.2 Bellows
1.3 Drive collar
1.4 Spring
1.5 Driver
2.1 Stationary seat
2.2 Gasket

BT-PNT

Features

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

Advantages

The main design features of the BT-PNT are the metal joint torque transmission together with the rubber bellows. This prevents torsional effects on the bellows. The shaft is protected across the entire seal length. Easy to assemble, the BT-PNT guarantees a long service life due to good product turbulence.

Operating range

Shaft diameter: d1 = 15 mm, 5/8”, 3/4”, 1"
Pressure: p1*= 12 bar (174 PSI)
Temperature:
t* = -20 °C … +120 °C (-4 °F … +248 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)

* Dependent on medium, size and material

Materials

Seal face:
Carbon graphite resin impregnated (B), Carbon graphite, full carbon (B3), Silicon carbide (Q1)
Seat:
Aluminium oxide (V), Silicon carbide (Q1)
Elastomers: NBR (P), EPDM (E), FKM (V)
Metal parts: CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G)

Standards and approvals

  • KTW
  • W270
  • ACS
  • WRAS
  • NSF
  • FDA
  • DM 174/04

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