22 May, 2022

Tube connector approved to key hydraulic standard (Jan/Feb 09)

20 May, 2009

The instrumentation products division of Parker Hannifin has secured approval for its high-pressure Phastite tube and pipe connection system to the ISO 19879 hydraulic applications standard. Testing was performed by TUV Rheinland.
The scope of the ISO 19879:2005 standard is 'Metallic tube connections for fluid power and general use – test methods for hydraulic fluid power connections'. Phastite introduces a very simple assembly concept for high pressure connections up to 1379 bar (20,000 PSI) that is claimed to be able to greatly reduce installation costs compared with welded or cone-and-thread fittings. High pressure hydraulic lines are a major application, and ISO 19879 certification provides independent verification of the connector's capability. Tests performed include pressure tests at 1.5 times of the Phastite rating, together with leak and vacuum tests, and cyclic endurance.
”ISO 19879 is an important qualification for many users in oil, gas, petrochemical, power and marine industries – key markets for Phastite,” said Parker's Sheldon Banks. “We are delighted to receive this approval, which adds to independent approvals from users in areas including offshore and onshore processing facilities.”
Parker has a comprehensive portfolio of Phastite fluid connector sizes and shapes for metric or imperial tube or pipe applications up to one inch/25 mm. Phastite fittings employ a compression assembly principle using a novel form of toothed profie which makes the seal. The fittings are supplied as one-piece components. To make a joint, all that's required is to insert the tube, and then push the collar along the fitting body until it reaches a dead stop. This operation is performed by a handheld hydraulic tool and takes a few seconds. The tool is said to require no skill to use and assures users of right-first-time connections.
Phastite's sealing mechanism is based on a series of defined internal ridges that create a secure seal, by radial compression, without weakening the tubing surface. The ridges effectively grip in a way that retains all of the tubing's strength. These profiles also make the fitting particularly suitable for vibration prone environments.

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