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Description / Abstract:
This specification covers the materials and performance of
elastomeric turbocharger hoses for moderate temperature
resistance.
Material Description. Materials covered by this
specification are divided into Types A through D:
Type A. Chloropolyethylene (CM) lining, with
intermediate layer made of a mixture of CM and Ethylene Propylene
Diene Monomer, (EPDM) and cover of EPDM for +125 °C permanent and
+150 °C peak temperatures.
Type B. Ethylene Acrylate (AEM) lining, with
intermediate layer made of a mixture of AEM and EPDM and cover of
EPDM for +150 °C permanent and +175 °C peak temperatures. Can be
used for turbo charger systems with exhaust gas recirculation.
Type C. Drawing defined (e.g., using SAE J200
or ASTM D2000 line callout).
Type D. AEM lining, with intermediate layer
made of EPDM for +150 °C permanent and cover of EPDM for +135 °C
permanent and +175 °C peak temperatures. Can be used for turbo
charger systems with exhaust gas recirculation. All hoses shall
have textile reinforcement suitable to fulfill the requirements of
the material and durability tests.
Symbols. Not applicable.
Applicability. Hoses in turbo charger
applications.