Mechanical seal KSB
4UM
Technical Data Mechanical seal 4UM
- Operating pressure Up to 20 bar, dynamic Up to 30 bar, static
- Temperature 0 °C to 110 °C
- Seal size 056, 057, 066, 076, 100
- Business type Standard
Technical Description Mechanical seal 4UM
- Design Single cartridge seal
- Type Stationary, balanced
- Springs Multi-spring arrangement
- Direction of rotation Bi-directiona
Specifications
- Compact
Single cartridge seal, bi-directional, tailored to the seal installation space. - Tailored
The spring travel accommodates for the technical requirements of the motor shaft and thrust bearing. Depending on the size, the sleeve of the mechanical seal also houses the connection between coupling and pump, thus keeping the shaft dry. - Service-friendly
No adjusting dimension required for installation. Installation and removal also possible under difficult operating conditions. - Dependable
Stationary design, balanced; the multi-spring arrangement provides uniform surface pressure across the seal faces, thus ensuring a long service life. - Versatile
For all operating conditions the submersible motor is approved for.
Applications Seal 4UM
- Slightly contaminated water
- Seawater
Suitable for pump
Suitable for KSB’s UPA
Materials Seal 4UM
- Primary ring SiC (Q1)
- Mating ring SiC (Q1) / “A“ carbon (A) / “B” carbon (B)
- Elastomers EPDM (E) / FKM (V) / NBR (P)
- Springs 2.4610 (M)
- Other Components 1.4462 (G1) / 1.4501 (G4)
Other material combinations on request