"For high pressure hydraulic systems. Swivel adapters are rated up to 10,000 PSI, depending on size. NPSM X NPTF thread for metal to metal seal. Max. PSI 10,000, Fitting Size in. 1/4 x 1/4, Swivels Yes. Allows users to take a preassembled hose and connect it to your connection-specific machinery Adapters also help to correctly route hoses and make replacement easier"
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