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Design and Operation - Pipe Swivels


Pipe Swivels are female adapters featuring a nut with a straight thread captured on a 30º cone tapered gland. A seal occurs between the taper in the male fitting and the 30º cone tapered gland. Pipe Swivels are for use with male tapered pipe thread hose fittings with a 30° seat. Pipe Swivels do not seal on the thread like most pipe threads, they seal on the nose of the swivel and the seat of the male tapered pipe thread. This creates a metal to metal seal.

Suggested Applications for Pipe Swivels

As a hose adapter only. Other methods of connecting tubing, pipe, or joining components should be utilized in system design.

Feature Pipe Swivel, Pipe Fittings & Adapters
Pressures Very high to 6,000 psi
Temperature Stainless: -425° to 1200°F
Vibration Resistance


Materials Available 316/316L stainless
Size Available (nominal)


Seal Reliability Good in static & dynamic systems.
Low tolerance to damage along sealing angles. Medium tolerance to thread imperfectons.
Thread & Port Preparation General lubricant applied to threads
Ease of Assembly Medium. Flats from Finger-Tight method utilized.
Ease of Maintenance Good. Low metal deformation to create seal means moderately high repeatability
Specification Conformance
(design & thread)
SAE J514
ANSI B1.20.1




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Technical & Pricing Info

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