For over 20 years, Tri-State Packing has led the way in servicing the ever-expanding Bio-Tech/Pharmaceutical market. By providing cutting edge Flowserve mechanical seals like the ST/QBM, MW-200, and the VRA, Tri-State Packing can offer your facility a variety of mechanical seal options; from chiller and boiler feed pumps to Buffer/Media vessels and Large Scale Bio-Reactors, Fermenters, and Filter Dryers.

From our headquarters in Scarborough, Maine, Tri-State Packing also stocks most standard size USP Class VI EPDM O-rings (Parker E3609-70). Tri-State Packing can also supply your facility with vessel cover and man-way gaskets in USP Class VI EPDM, white and clear Silicone.

Pfizer, Biogen-Idec, Bristol-Myers Squibb, Genzyme, Lonza, Life Technologies


Tri-State Packing Supply, Inc. offers a number of different services for your mechanical seals including: