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Reactor, Agitator and Mixer Seal Repair

We have been overhauling ALL MAKES & MODELS of AGITATOR / BEADMILL / MIXER / REACTOR seals for 25+ years.

Brands including: BURGMANN / CHEMINEER / FLOWSERVE / LIGHTNIN / NETZSCH and SHARPE plus many others.

We can help INCREASE SEAL RUN CYCLES by making recommendations in regards to MATERIALS OF CONSTRUCTION of the seal FACES / SEATS / ELASTOMERS.

When we QUOTE any SEAL REPAIR we send you DIGITAL PICS. of the SEAL PARTS explaining SCOPE OF WORK required so you see and understand WHAT YOU ARE PAYING FOR.

Send us you WORN and BROKEN SEALS and we will show you the level of SUPPORT and SERVICE we provide to ALL OUR CUSTOMERS.

Download Mixer Seals Line Card

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Agitator Seal Repair

Unit sent in from a Polymer manufacturing plant in Louisiana. A 3.00″ Chemineer Seal was sent in still assembled in the motor and gearbox unit. The seal was removed and the seal seats were upgraded from Silicon Carbide to Tungsten Carbide. New Carbon Graphite rotary faces were installed. The seal was re-assembled and pressure tested to 60 psig. Unit has been back in operation for 6 months.

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Mixer Seal Repair

Lightnin mixer seal unit sent in from polymer manufacturer in south texas. End user wanted to have the unit converted from a single seal set up to a double style that would utilize a 3 gallon seal pot with an internal cooling coil to handle the high operating temps. (420 deg. F). We went with a metallized carbon rotary seal face on the product end running against a stationary tungsten carbide seat. On the outer end we installed a carbon graphite rotary seal face running against a stationary silicon carbide seat. Kalrez o?Rings installed on product end. This unit has been back in operation for 12 months.

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Agitator Seal Repair

Two Chemineer Agitator seal units sent in for overhaul.
One of the two Chemineer units stripped to evaluate for scope of work.
Both agitator seals re-assembled & pressure tested to 60psig – ready to go.

Chemineer-Agitator-seals-repair-by-robco-of-america

Agitator Seal Repair

5.00″ double agitator seal sent in for repair.
Agitator seal stripped down all parts were worn & in non repairable condition.
Customer advised us to replicate existing seal. New seal made & pressure tested to 60 psi ready to go.

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Mixer Seal Repair

3.50″ Double sharpe mixer seal needs repair.
3.50″ Double sharpe mixer seal repaired.

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Mixer Seal Repair

3.00″ double Lightnin mixer seal sent in for repair.
All metal parts re-machined & polished on ring sealing surfaces. New Carbon faces machined & lapped.
Repaired Lightnin seal re-assembled & pressure tested to 60 psi.

Mixer Seal Repair

Mixer Seal Repair

(2) 3.00″ Mixerpac double seal units sent in for repair.
One of the two units stripped down for inspection & failure analysis
Seal unit #1 repaired & tested to 60 psi. Ready to go.

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