BT-RN Balanced

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BT-RN Balanced

BT-RN Balanced
Request product

BT-RN Balanced

Features

  • Single seal
  • For stepped shafts
  • Balanced version of BT-RN
  • Conical spring rotating
  • Dependent on direction of rotation
  • Torque transmission via conical spring

Advantages

  • Economical balanced seal
  • Universal application opportunities
  • No damage of the shaft by set screws
  • Variants with shrink fitted face available

Operating range

Shaft diameter:
d1 = 10 … 100 mm (0.39" … 3.94")
Pressure: p1* = 25 bar (363 PSI)
Temperature:
t* = -20 °C … +180 °C (-4 °F … +356 °F)
Sliding velocity: vg = 15 m/s (49 ft/s)

* Dependent on medium, size and material

Materials

Seal face:
CrNi steel 1.4057 (F1), CrNiMo steel 1.4401 (G), Tungsten carbide (U), Silicon carbide (Q1)
Seat:
Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Tungsten carbide (U), Silicon carbide (Q1) Elastomers: NBR (P), EPDM (E), FKM (V), FFKM (V)
Metal parts: CrNiMo steel (G), CrNi steel (F, F1)

Standards and approvals

  • Various material approvals e.g. WRAS, UBA, ACS, NSF, FDA available (depending on type and material combinations). Please inquire!
  • EN 12756

Notes

Seat ring of alternative seats can be supplied with short tail or with pin to block the seat and prevent seat rotation.

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