Single Spring Seal (Calico)
Part codes: 71NB
A Calico type single spring unbalanced seal with an O-ring or PTFE O-ring, for textile and dyeing machinery.
FKM (Viton)PTFESteel
Specifications
- Type
- 71NB
- Seal faces
- Carbon against ceramic, SiC or TC
- Secondary seals
- Viton, PTFE, GFT, TTV or FKM
- Metal components
- SS 316 or SS 304
- Shaft diameter
- 14 to 150 mm
- Pressure
- Up to 10 bar
- Temperature
- -50 to 280 °C
- Speed
- Up to 25 m/s
- Applications
- Textile and dyeing industries, general industrial fluids
Description
The 71NB is a Calico type general purpose unbalanced seal, supplied with an O-ring or a PTFE O-ring as the secondary seal.
The light spring load carried through the PTFE or O-ring keeps shaft fretting down, and the narrow cross-section and compact build take up little stuffing box room.
Generally used in the textile and dyeing industries and for general industrial fluids.
Technical datasheet
Full dimensions and material data.
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