ISO INTERNATIONAL. STANDARD. ISO. First edition. Rubber hoses and hose assemblies —. Wire-braid-reinforced hydraulic types. ISO Rubber hoses and hose assemblies —. Wire-braid-reinforced and type R2AT, which were specified in ISO and ISO , but. Type EN 1SN / ISO 1 Layer Hydraulic Hose. Technical data: Construction: Covering: Black synthetic rubber. Reinforcement: 1 layer steel wire braid.
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Request An Engineering Packet. New and revolutionary designs in fittings, sometimes, do not apply to stated standards and protocol for testing. E Program In Print Links. The fittings developed a zero leak seal at lower assembly torque values than their SAE counterparts. Once the minimum torque value had been established for each plug size a 2,cycle endurance test was performed on each selected plug size.
The Zero-Leak Gold Plugs provide a primary metal-to-metal seal with an independent elastomeric back-up seal. The paper will discuss testing methods for a new style of fittings. Isoo in vibration, temperature variation, and pressure spike situations. The purpose of the test is to prove the integrity of the Zero-Leak Gold plugs when independently subjected to both internal and external pressure.
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Zero-Leak Gold plugs are interchangeable with standard port entry plugs. Some additional benefits of using this type of plug are: EPCO wanted to determine more accurately the burst pressures of the larger and smaller plug sizes that were not originally included in the earlier Zero-Leak Gold Plug 14366-1 conducted by the Fluid Power Institute.
Additional testing will be conducted to determine Proof and failure pressure of the plugs. EPCO wanted confirmation of these values under accepted industry practices and established measuring methods.
Three samples of plug fittings, sizes ranging from to —12, were torqued to a percentage of prior test results.
Hydraulics and Pneumatics at work in your world. With the plug fittings at their minimum torque values they must complete a 1,cycle pressure fatigue test in accordance to NFPA fatigue standard T2. Maximum gap minimization is achieved by optimal application of the geometric principle of the taper.
Plug can be resealed repeatedly without loss of effectiveness. Evaluation by the FPI determined the maximum pressure that each specimen could withstand before it would no longer contain the fluid. Request a copy of the Test.
Zero-Leak Gold Plugs have been identified as a replacement and improvement to the standard hollow hexagon plugs manufactured to SAE J presently used within current end fitting terminations. The fittings developed a zero leak seal at very low assembly torque values and EPCO 1463-1 to determine more accurately the torque values at which the fittings would not leak under accepted industry practices and established measuring methods.
FLEXOR 2SN/R2AT – MINETUFF 8Z7AA
This defines a failure. Existing standards and specifications will be examined to show how the protocol is not applicable, and recommendations made to adequately cover the intent of the official testing protocol. Testing was performed on plug sizes —02 through —12, testing 3 samples of each respective size.