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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E Program In Print Links. 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 paper will discuss testing methods for a new style of fittings.
SAE R2 / EN TYPE 2SN – ProPulse®—a Schieffer Company
Plug can be resealed repeatedly without loss of effectiveness. With the plug fittings at their minimum torque values they must complete a 1,cycle pressure fatigue test in accordance to NFPA fatigue 4136-1 T2. Additional testing will be conducted to determine Proof and failure pressure of the plugs.
Three samples of plug fittings, sizes ranging from to —12, were torqued to a percentage of prior test results. Request a copy of the Test.
Some additional benefits of using this type of plug are: Effective in vibration, temperature variation, and pressure spike situations. Evaluation by the FPI determined the maximum pressure that each specimen could withstand before it would no longer contain the fluid.
The fittings developed a zero leak seal at lower assembly torque values than their SAE counterparts.
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Testing was performed on plug sizes —02 through —12, testing 3 samples of each respective size. Iiso purpose of the test is to prove the integrity of the Zero-Leak Gold plugs when independently subjected to both internal and external pressure.
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 tests conducted by the Fluid Power Institute. Once the minimum torque value isl been established for each plug size a 2,cycle endurance test was performed on each selected plug size. Maximum gap minimization is achieved by optimal application of the geometric principle of the taper.
Zero-Leak Gold plugs are interchangeable with standard port entry plugs. The Zero-Leak Gold Plugs provide a io metal-to-metal seal with an independent elastomeric back-up seal.
Worldwide Hydraulic Hose (302)
The fittings developed a zero leak seal at very low assembly torque values and EPCO wanted to determine more accurately the torque values at which the fittings would not leak under accepted industry practices and established measuring methods.
EPCO wanted confirmation of these values under accepted industry practices and established measuring methods. New and revolutionary designs in fittings, sometimes, do not apply to stated standards and protocol for testing. 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.
Hose, Fittings and Equipment – Catalog – Page 34
This defines a failure. Hydraulics and Pneumatics at work in your world. Request An Engineering Packet.