
Paper Industry
Meccanotecnica Umbra provides specialized mechanical seals for the pulp and paper industry, addressing the unique challenges of fiber-laden process fluids, high temperatures, and aggressive chemical additives. Our seals serve stock preparation, bleaching, paper machine wet-end, and effluent treatment applications with proven reliability.
Why Choose Us in This Sector?
Fiber & Pulp Resistance
Open seal chamber designs and flush arrangements preventing fiber accumulation and seal face hang-up.
High-Temperature Operation
Reliable sealing performance at pulp digester temperatures up to +180°C.
Chemical Additive Tolerance
Material selections resistant to bleaching chemicals, sizing agents, and pH extremes in paper production.
Low-Maintenance Design
Cartridge-mounted configurations enabling rapid seal changeout to minimize production line downtime.
Paper Industry Our Products

6A
Compact bonded elastomer bellows mechanical seal. Designed for agricultural and automotive sectors.

L
Two-piece mechanical seal with elastomer bellows and outer diameter drive. Bi-directional rotation.

LE
Mechanical seal with sleeve on outer diameter, counter-face and bi-directional rotation.

LI
Mechanical seal with sleeve on outer diameter and counter-face. Designed for the automotive sector.

S
Simple, two-piece mechanical seal with elastomeric bellows, single seal and bi-directional rotation.

T1
Two-piece mechanical seal with elastomeric bellows, drive on housing outer diameter and bi-directional rotation.

T2
Two-piece mechanical seal with elastomeric bellows, drive on housing outer diameter and bi-directional rotation.

T3
Two-piece mechanical seal with elastomeric bellows, drive on housing outer diameter, single seal and bi-directional rotation.