Gammon GTP-2157-A Aircraft Refuelling Hose Tester
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The Gammon Aircraft Refueling Hose Tester is made of non-ferrous materials, designed for periodic testing of jet refueling hose, using jet fuel for pressurizing.
The Gammon GTP-2157-A Aircraft Refuelling Hose Tester consists of:
- GTP-2234, 10 U.S.Gallon (38 liter) Aluminum Tank, equipped with a Vented Fill Cap.
- GTP-8076, Hand Pump.
- GTP-281-H, 0-1000 PSI 4.5” Dia. Pressure Gauge.
- GTP-1004-4MA Quick Disconnect.
- GTP-8079, 6 Feet of 1/4” hose to connect to the tester.
This tester is designed to perform integrity tests on hose assemblies used in the refueling of aircraft. A thorough inspection of the hose should be done before testing, and if any significant flaw is found, the test should not be run. The purpose of this test is to ensure that the couplings are still secure and that no physical flaw exists that cannot be seen on a physical inspection. Air MUST NOT BE PRESENT in the system or else, in the event of a failure of the hose or a fitting, the trapped air will cause an explosive release carrying particles at high speed as it expands.
The primary application of this tester is for testing aircraft refueling hose in accordance with API Bulletin 1529. When testing newly coupled Grade 1 hose, the test pressure is 300 psi. Periodic tests are required at the working pressure which is 150 psi. When testing Grade 2 hose, the test pressure is 600 psi for newly coupled or recoupled hose, and 300 psi for periodic testing. Because most aircraft refueling hose is Grade 2, the instructions below are written for a 300 psi periodic test with the hose full of jet fuel and remaining attached to the hose reel or to piping on the refueling vehicle.
When testing equipment other than hose, the standard practice is to perform hydrotests at 1.5 times the design or working pressure.
Download Gammon Technical Products Inc. - Bulletin 79 (12-02) PDF
Download Gammon Technical Products Inc. - General Brochure PDF
