Mechanical seal KSB
4HL
Technical Data Mechanical seal 4HL
- Operating pressure Up to 40 bar, dynamic Up to 60 bar, static
- Temperature -10 °C to 130 °C
- Bearing bracket (seal size)
LP02 (028), LP03 (038), LP04 (048), LP05 (060), LP06 (070) - Business type Standard (KSB EasySelect)
Technical Description Mechanical seal 4HL
- Design Single mechanical seal
- Type Dynamic, balanced
- Springs Multi-spring arrangement
- Direction of rotation Bi-directional
- Additional information: Approved for drinking water (WRAS), Various wear part kits available, see ZN3302
Specifications
- Compact
Single mechanical seal, tailored to the seal installation space and pump requirements. - Dependable
Dynamic type, multi-spring arrangement, bi-directional and balanced. Sturdy and practical seal design. - Versatile
If combined with a suitable pump design, the seal is suitable for fluid temperatures of up to 350 °C. - Easy to install I
Standard mechanical seals to EN 12756 would additionally require a shaft sleeve for balancing. This component is already integrated in mechanical seal type 4HL, resulting in various advantages, also for seal installation. - Easy to install II
Circumferential groove at the primary ring carrier facilitates setting the axial pre-load of the mechanical seal.
Applications Seal 4HL
- Hot water
- Heat transfer fluids
Suitable for pump
Suitable for KSB’s HPK-L
Materials Seal 4HL
- Primary ring “A“ carbon (A) / “B” carbon (B)
- Mating ring SiC (Q1)
- Elastomers EPDM (E) / FKM (V)
- Springs 1.4571 (G)
- Other Components 1.4122 (E)
Other material combinations on request