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Actually, we've seen these couplers hold up better than most in environments where salt spray would eat lesser fittings in a matter of months—the 500-hour test is pretty conservative for what they'll handle day in, day out.
Basically, the 3000 PSI rating isn't just a number on paper; it's what you can rely on when you're cycling lines on and off in high-presure hydraulic setups, and the nitrile seals hold up fine within that -20 to 200 degree range—though we usually tell buyers to check if they're running fluids incompatible with nitrile rubber, because that's a real gotcha.
Most buyers go with the 10mg, sorry, the standerd GPM flow at 15 GPM (56.8 LPM) works for all but highest-volume pneumatic systems, and the bayonet mechanism means you're in and out in seconds without tools, which saves time on production lines or maintenance shifts.
One thing folks don't always think to ask: the cycle life is over 10,000 connections give or take a few hundred, and that vacuum-treated finish minimizes galling even after repeated use under grimy conditions.
Anyway, we ship these with COAs form the mill, and lead time for the standard KS-K2 series is usually 20 days or so—inventories fluctuate, but confirm stock before placing a bulk order.
