Mechanical Seals

Enviropump and Seal ZL Series Cartridge Mechanical Seals

The most advanced range of production cartridge mechanical seals available for rotating equipment, including centrifugal pumps, positive displacement pumps, agitators, and mixers

Cartridge Seal Configurations

Single
Double (Axial)
Double (Concentric)
Acid Double Seal

Sizes

Standard stock sizes from 1” to 3” shaft diameter.
Other sizes made to order.

Ratings

Pressures to 400 psig (27.5 bar)
Speeds to 4500 rpm
Procss temperatures to 600 F (315 C)

Cartridge Design

Factory assembled and ready to install
Self-centering
Pre-set spring load
No settings, measurement, or adjustments needed
Universal gland design fits many seal chamber sizes
Eliminate all shaft fretting

Key Features

“Stationary” design-no rotating springs
“Double balanced”
- Single seal can handle vacuum or pressure
- Dual seals can operate pressurized or non-pressurized

Full “No Excuse” warranty and rebuild program

Operational warranty period combined with low-cost reconditioning program.
Standard field repair kits for plants with in-house repair program

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