Mechanical seal 4KST

Technical Data Mechanical seal IS4KST

Operating pressure Up to 110 bar
Temperature Up to 320° C
Bearing bracket(shaft diameter)
P03 (035), P04 (045), P06 (065),
B07 (085), B07 (100)
Business type Standard

Brand

KSB

Compact mechanical seal 4kst
The perfect match for HPH hot water pumps. The design is tailored to the cooled pump cover.
Robust mechanical seal 4kst
This robust seal is designed for operating conditions with extremely high pressures and temperatures.
Safe mechanical seal 4kst
The solid seal faces abut the metal components and are thus axially secured. This prevents tilting of the seal faces. This ensures reliable sealing and low wear also in extreme conditions.
Dependable mechanical seal 4kst
The special design with hook sleeve does away with the need for an axial adjusting dimension; the seal is always perfectly positioned on the pump shaft.
Durable mechanical seal 4kst
This high-quality sealing solution ensures reliable pump operation and a long service life.

Technical Description

Technical Description Mechanical seal 4KST

Design Double cartridge seal
Type Stationary, balanced
Springs Multi-spring arrangement
Direction of rotation Bi-directional

Applications

Applications Seal 4KST

Hot Water

Materials

Materials Seal 4KST

Primary ring “A” carbon (A)
Mating ring SiC-Si (Q2)
Elastomere EPDM (E)
Springs 1.4571 (G)
Other Components 1.4122 (E)

Benefits

Especially designed for operating conditions with extremely high pressures and temperatures. The design is tailored to the cooled pump cover.

The solid seal faces abut the metal components and are thus axially secured. This prevents tilting of the seal faces. This ensures reliable sealing and low wear also in extreme conditions.

The special design with hook sleeve does away with the need for an axial adjusting dimension; the seal is always perfectly positioned on the pump shaft.