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NPT Pipe Thread
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NPSM Pipe Thread (female swivel)
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Pipe fitting steel adapters use a NPTF (National Pipe Tapered, Fuel / equivalent to NPT National Pipe Taper) thread to mate male NPT to female pipe thread (parallel NPSM and tapered NPT.
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Pipe fitting steel adapters use a NPTF (National Pipe Tapered, Fuel / equivalent to NPT National Pipe Taper) thread to mate male NPT to female pipe thread (parallel NPSM and tapered NPT.
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JIC 37 Degree Flare
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Oring Boss SAE/ORB
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JIC or AN Fittings Have a 37 degree flare to make a metal to metal seal. They are an extremely common thread in the hydraulic world.
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ORB (O-ring Boss) fittings or SAE fittings are similar to a JIC fittings without the 37 degree flare. They also have an o-ring for additional sealing
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British and Metric
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Oring Face Seal (ORFS)
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British and Metric Fittings generally are a parallel thread. BSPP threads also use an additional bonded seal.
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O-ring Face Seal have an o-ring in the face of the fitting to help make a better seal
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Flange Adapters
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Pipe Flanges
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Stainless Flange Adaptors are used to convert a flange to a threaded fitting.
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Stainless pipe flanges are used with heavy duty bolts to lock pipe into position without the use of welding
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