Mechanical seal 4HL

Technical Data Mechanical seal IS4HL

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

Brand

KSB

Compact seal 4hl
Single mechanical seal, tailored to the seal installation space and pump requirements.
Dependable mechanical seal 4hl
Dynamic type, multi-spring arrangement, bi-directional and balanced. Sturdy and practical seal design.
Versatile mechanical seal 4hl
If combined with a suitable pump design, the seal is suitable for fluid temperatures of up to 350 °C.
Easy to install I mechanical seal 4hl
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 mechanical seal 4hl
Circumferential groove at the primary ring carrier facilitates setting the axial pre-load of the mechanical seal.

Technical Description

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

Applications

Materials

Benefits

Single mechanical seal, bi-directional and balanced. The shaft protecting sleeve is integrated in the mechanical seal.

The materials selected are optimally suited to seawater applications. Springs made of Hastelloy, all metal components made of super duplex steel.

Dynamic design with multi-spring arrangement. The modular design facilitates installation without assembly fixtures or adjusting dimensions.