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When you're building out a new hydraulic line for a 5,000 PSI press system and need a leak-tight connection that won't blow apart under peak load—those SAE O-ring and JIC flare fittings we carry are what most buyers go with. We've seen a lot of shops try cheaper threaded-only connectors and regret it.
These run up to 6000 PSI on the pressure side—usually the 74° cone seal handles the higher end better—and the temperture range holds steady from -20°C to 120°C (check your specific fluid compatibilty though). Matrial is either carbon steel or stainless, surface treatment is galvanized or plain depending on what you need for corrosion resisance. The threads? Metric, BSP, or NPT. We machine them to tight tolerances (HPLC-level precision isn't game here, but it's better than standard pipe fittings for sure).
They're fine for industrial hydraulic systems—mobile equipment, presses, injection molders—but don't use them for high-vibration hose whip applications without a lock wire or retainer; the O-ring can shift if it's not secured. Basically, if your system sees constant 500 PSI cycling or sudden presure spikes, these hold fine—it's the steady 100 PSI line where you might get away with cheaper stuff anyway.
MOQ is 100 pieces, which isn't bad for a production run. We can customize thread types or surface finish (lead time is usually 3 weeks or so). Payment is standard T/T, and we ship with COAs for each batch.
MOQ is 100 pieces per order. Yes, you can mix different sizes and types as long as the total hits 100.
Yes, we can supply mill test reports for stainless steel and carbon steel on request. Just let us know when you place the order.
Standard customization takes 15-20 working days. If you need it faster, we can sometimes rush it—just check with us.
Yes, they're rated up to 6000 PSI and 120°C, so 100°C at full pressure is fine. Just make sure the seal type matches your system—O-ring or cone.
The galvanized surface treatment gives good corrosion resistance for outdoor use. For very harsh or chemical-heavy environments, stainless steel is a better bet.
