Mich. Admin. Code R. 408.11244 - Station outlets
Rule 1244.
(1)
A station outlet shall be equipped with a shutoff valve for each torch supplied
from it, designated VF and VO in
FIGURE 1, located upstream of other station outlet equipment.
(2) A station outlet shall be provided
backflow prevention devices, designated as SF and
SO in FIGURE 1, at each station outlet, including those
on a portable header, to prevent backflow, except where pipeline protection
equipment, designated as PF in FIGURE 1, C is located at
the station outlet.
(3) A station
outlet shall terminate with an approved union connection for a regulator or a
hose, except that the outlet may terminate with pipe threads where a permanent
connection is made, such as to a machine.
(4) Each station outlet shall be equipped
with a detachable seal outlet cap, secured in place, which shall seal the
outlet except when a hose, regulator, or piping is attached.
(5) The total volume of acetylene used per
hour shall not exceed 1/7 of the total volume of the acetylene supply in the
system.
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LEGEND:
|
PF |
Protective equipment in fuel gas piping |
|
VF |
Fuel gas station outlet valve |
|
VO |
Oxygen station outlet valve |
|
SF |
Backflow prevention devices(s) at fuel gas station outlet |
|
SO |
Backflow prevention device(s) at oxygen station outlet |
Notes
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No prior version found.