Mechanical seal KSB
4ES
Technical Data Mechanical seal 4ES
- Operating pressure Up to 16 bar dynamic
- Up to 24 bar static
- Temperature -30 °C to 140 °C
- Bearing bracket (seal size) 65 (065)
- Business type Engineered
Technical Description Mechanical seal 4ES
- Design Single cartridge seal
- Type Stationary, balanced
- Springs Multi-spring arrangement
- Direction of rotation Bi-rotational
- Additional information Approved for drinking water (WRAS
Specifications
- Compact
Single cartridge seal, bi-directional and balanced. - Dependable
Stationary design, multiple springs located outside the fluid handled. - Versatile
For all operating conditions the pump is approved for. - Service-friendly
Tailored to the seal installation space and requirements of the pump, easy installation, no adjusting dimension. Assembly fixtures ensure optimal pre-loading of the cartridge. The mechanical seal cover is centred on the pump cover. - Different material variants
Mating ring made of silicon carbide, “A” carbon (hot water) or “B” carbon. Elastomers in EPDM (also for drinking water ACS / WRAS) or FKM.
Applications Seal 4ES
- drinking water
- service water
- hot water
Suitable for pump
Suitable for KSB’s Etanorm-R
Materials Seal 4ES
- Primary ring SiC (Q1)
- Mating ring SiC (Q1) / “A“ carbon (A) / “B” carbon (B)
- Elastomers EPDM (E) / FKM (V)
- Springs 1.4571 (G)
- Other Components 1.4122 (E)
Other material combinations on request