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Specification Statements/Warranty/Liability
Manhole and Handhole Assemblies
(general
specification):
Manhole and handhole covers
and rings are formed from materials listed in Section II of the A.S.M.E.
Code. Material specification is stamped on each cover and ring.
Every cover is certified for use at the pressure rating stamped on it.
Seamless rings are fabricated from materials in accordance with A.S.M.E.
Code specifications, and all welded rings are welded per Section IX of
the A.S.M.E. Code. Reinforcement of openings must be calculated for
each application on all rings. Rings are machined on one edge for
a gasket surface. All depths of rings are nominal and are subject
to a reduction not more than 3/16 of an inch after machining. Welded
rings can be ordered with the weld x-rayed.
Manhole and Handhole Assemblies
Liability:
Responsibility is limited
to quality and workmanship of metal parts as proved by vessel fabricators
hydrostatic shop test. Liability is limited to the replacement of
or a credit for the defective part only. No contingent charges will
be accepted. Gaskets are supplied as an accommodation only.
No warranty on gasket service is implied or expressed.
Tank Heads (general
specification):
Where applicable, heads
are manufactured in accordance with A.S.M.E. Code and heat numbers will
be stamped or marked on each head. A copy of the original material
test report will be supplied without charge. Partial data reports
are furnished for two-pieced heads when applicable. Heads to be used on
vessels for ammonia service can be stress relieved on request. Tolerances
on all heads are within the A.S.M.E. Code specifications; closer
tolerances can be held when required for special applications.
Tank Heads Liability:
Responsibility is limited
to quality and workmanship of the head. Liability is limited to the
replacement or credit for the defective head. No contingent charges
will be accepted.
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