ESD42 Spring mechanical seal 
    
Characteristics
Type:  spring
Applications:  agitator
Domain:  process
Operating pressure:Min.: 0 bar (0 psi)       Max.: 7 bar (101.53 psi)
Operating temperature:Min.: -20 °C (-4 °F)   Max.: 80 °C (176 °F)
Size:Min.: 40 mm     Max.: 120 mm
 
Description
Quality

Under the internal QM system certified to DIN EN ISO 9001, each mechanical seal is tested dynamically under process conditions and is assigned a test certificate before it leaves the factory.
Function and application

Single-acting product lubricated mechanical seal
Sealing of abrasive suspensions
Used in flooded side entry installations
Mechanical seal most commonly used in FGD agitators worldwide 

Advantages

Lubricated and cooled by the product - no additional hydraulic installations required
Special plastics provide greater protection against caking and corrosion
Shut off device for replacement of mechanical seals even during operation without emptying the vessel