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SAE MA2126 Revision B, February 1, 2005
Hose Assembly, Polytetrafluoroethylene (PTFE), up to 232 °C and 10 500 kPa
Procurement Specification, Metric (ISO/DIS 10502)
Description / Abstract:
Application:
This Metric Aerospace Standard (MA) covers the requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aerospace hydraulic, fuel, and lubricating oil systems at temperatures between -55°C and 232°C for Class I assemblies, -55°C and 135°C for Class II assemblies, and at nominal pressures up to 10 500 kPa (105 bar). The hose assemblies are also suitable for use within the same temperature and pressure limitations in aerospace pneumatic systems where some gaseous diffusion through the wall of the PTFE liner can be tolerated.
The use of these hose assemblies in pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this standard, for example oxygen, shall be subject to the approval of the purchaser.
Classification:
The hose assemblies shall be of the following classes:
Class I - All corrosion resistant steel or titanium combination fittings, (232°C)
Class II - Combination aluminum alloy and corrosion resistant steel fittings, (135°C), size DN12 and larger
This Metric Aerospace Standard (MA) covers the requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aerospace hydraulic, fuel, and lubricating oil systems at temperatures between -55°C and 232°C for Class I assemblies, -55°C and 135°C for Class II assemblies, and at nominal pressures up to 10 500 kPa (105 bar). The hose assemblies are also suitable for use within the same temperature and pressure limitations in aerospace pneumatic systems where some gaseous diffusion through the wall of the PTFE liner can be tolerated.
The use of these hose assemblies in pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this standard, for example oxygen, shall be subject to the approval of the purchaser.
Classification:
The hose assemblies shall be of the following classes:
Class I - All corrosion resistant steel or titanium combination fittings, (232°C)
Class II - Combination aluminum alloy and corrosion resistant steel fittings, (135°C), size DN12 and larger
SAE MA2126 Revision B, February 1, 2005
Hose Assembly, Polytetrafluoroethylene (PTFE), up to 232 °C and 10 500 kPa
Procurement Specification, Metric (ISO/DIS 10502)