Oil Seal Housing Gasket (SKU:05059A434) Crafted from 304 stainless steel + graphite composite, processed via laser cutting + passivation treatment, compatible with API 7K mud pump power end sealing chambers. 700MPa compressive strength, -40℃~650℃ temperature resistance. Ensures shaft seal reliability under high pressure for FMC C25/C35/C40 series pumps
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