Pump-regulator for TV7-117ST-01 engine passed fire tests

Photo by © United Engine Corporation (UEC)

The Perm-based company ODK-Star and the Baranov Central Institute of Aviation Motor Engineering (CIAM) have been working together on the development of the NR-65STM motor for the TV7-117ST-01 turboprop engine. Baranov Central Institute of Aviation Motor Engineering (CIAM) conducted fire tests of the HP-65STM regulator pump for the TV7-117ST-01 turboprop engine, which is used on the Il-114-300 passenger aircraft. The unit is designed to regulate fuel supply to the engine and is one of the critical elements ensuring its smooth and safe operation.

“The tests took place at CIAM in the presence of representatives of the unit’s developer, the ODK-Star enterprise, and the engine developer, St Petersburg-based ODK-Klimov.” During the tests, the HP-65STM pump-regulator was directly exposed to flame for five minutes. After that, the unit showed no fuel leaks for another five minutes, confirming its fire resistance,” the press service of the United Engine Corporation said.

According to the UEC representative, the test is considered passed if the unit withstands exposure to flame for five minutes, and after that the product does not start leaking working fluid or its vapours for another five minutes. “The regulator pump has successfully passed the test and proved that high temperatures do not affect its safety. The unit retains tightness and is able to fulfil its functions even in fire conditions,” he added.

Earlier it was reported that the IL-114-300 aircraft was being prepared to resume certification testing after a long break associated with the IL-112B LVTS disaster, which occurred in August 2021 due to a fire of the same engine TV7-117ST.