Baum Iron 18701250-312B: Type B Polypak Rod/Piston U-Seal 1.250" x 1.625" x 0.312" - AU/NBR


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Type B PolyPak squeeze seal with a symmetrical profile for rod or piston applications. Made from polyurethane/nitrile (AU/NBR), with 1.250-inch nominal ID, 1.625-inch nominal OD, 0.312-inch height, and 0.187-inch nominal cross section. Temperature range is -65°F to +200°F; pressure range is up to 5,000 PSI; surface speed is below 1.6 ft/s. It should not be installed back-to-back in bi-directional pressure applications because a pressure trap may occur.