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Description / Abstract:
This specification covers the materials and performance of
elastomeric hose elbows for duct air cleaner.
Material Description. Materials covered by this
specification are divided into four (4) types.
Type A. Nitrile Acrylonitrile Butadiene Rubber
Copolymer (NBR) for +100 °C permanent and +125 °C peak
temperatures.
Type B. Ethyl Acrylate Ethylene Copolymer (AEM)
for +160 °C permanent and +175 °C peak temperatures.
Type C. Drawing defined (e.g., using SAE J200
or ASTM D2000 line callout).
Type D. AEM for +175 °C permanent and +185 °C
peak temperatures.
Symbols. Not applicable.
Applicability. Elastomeric hose elbows for duct
air cleaner.