Mich. Admin. Code R. 408.11291 - Acetylene generators; marking; pressure limits
Rule 1291.
(1)
An acetylene generator shall be of approved construction and permanently marked
with the following information:
(a)
Manufacturer's name and address.
(b) Name or model number of the
generator.
(c) Capacity in cubic
feet per hour.
(d) Weight and size
of carbide of a single charge.
(2) The carbide used shall be not more than
that marked on the acetylene generator and the rated capacity shall not be
exceeded. Unless the generator is especially rated higher, a carbide feed
generator shall not be rated at more than 1 cubic foot per hour per single
charge.
(3) A relief valve for a
generating chamber shall be set to open at a pressure of not more than 15 psig
(103 kPa gage). A relief valve for a hydraulic back pressure valve shall be set
to open at a pressure of not more than 20 psig (137.4 kPa gage).
(4) A nonautomatic generator used for
generating acetylene shall be set to operate at a pressure of not more than 1
psig (.687 kPa gage) and all water overflows shall be visible.
(5) An acetylene generator shall be so
located that there will be unobstructed space around it to operate the machine
without interference to or from other machines or employees and to permit
adjustment and charging.
Notes
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