Centrifugally Cast Iron] [or] [ASTM A 532/A 532M, Abrasion
Resistant Cast Iron].
e.
Collecting tube: [ASTM A 667/A 667M Centrifugally Cast Iron] [or]
[ASTM A 532/A 532M, Abrasion Resistant Cast Iron].
f.
Inlet vanes: [ASTM A 667/A 667M Centrifugally Cast Iron] [or] [
ASTM A 532/A 532M, Abrasion Resistant Cast Iron].
g.
Gaskets: Type E, fiberglass suitable for service temperatures up
to 371 degrees C 700 degrees F.
**************************************************************************
NOTE: Use ASTM A 242/A 242M steel when material is
subjected to continuous temperatures of 204 degrees C
400 degrees F or higher.
**************************************************************************
h.
Inlet manifold: [ASTM A 242/A 242M Type 1] [or] [ASTM A 36/A 36M]
6 mm 1/4 inch minimum thickness.
**************************************************************************
NOTE: Use ASTM A 242/A 242M steel when material is
subjected to continuous temperatures of 204 degrees C
400 degrees F or higher.
**************************************************************************
i.
Structural and miscellaneous steel:
[ASTM A 242/A 242M Type 1]
[or] [ASTM A 36/A 36M].
**************************************************************************
NOTE: Use these paragraphs for 600 mm 24 inch or
larger diameter cyclone collectors. A choice of
diameter is dependent upon design parameters that
must be analyzed (See paragraph entitled "SD-81,
Operation and Maintenance Instructions, parts and
Testing") and satisfied for each specific project.
**************************************************************************
[Centrifugal cyclone collector parts exposed to flue gas shall be of
materials having physical characteristics suitable for the service and able
to withstand abrasive and chemical action of flue gas and fly ash.
Materials used shall conform to the following requirements:
a.
Cone:
ASTM A 36/A 36M, 6 mm 1/4 inch minimum thickness.
**************************************************************************
NOTE: Use ASTM A 242/A 242M steel when material is
subjected to continuous temperatures of 204 degrees C
400 degrees F or higher.
**************************************************************************
b.
Body: [ASTM A 242/A 242M Type 1] [or] [ASTM A 36/A 36M]
6 mm 1/4
inch minimum thickness.
c.
Hoppers:
[ASTM A 240/A 240M] 6 mm 1/4 inch minimum thickness.
**************************************************************************
NOTE: Use ASTM A 242/A 242M steel when material is
SECTION 15861N
Page 20
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