Where he bushings are used for one pipe size reduction a - Answer 3000lb steel bushing
shall be provided to maintain adequate strength
Class 300 malleable or ductile iron fittings shall be through 2 in internal pipe size and -
Answer Forged steel fittings in all larger size
Class 150 fittings and cast iron fittings shall - Answer Not be used
In systems using low pressure supply pipe shall be a minimum of - Answer Schedule 40
Furnace butt-weld AstmA53 pipe shall - Answer Be permitted to be used on low
pressure pipe NOT on high pressure
AstmA120 and cast iron pipe shall - Answer Not be used
Stainless steel shall be 304 316 for - Answer Threaded connection
low pressure carbon dioxide stored in pressure containers controlled temp of - Answer
-18c 300 psi
Enclosure inspection - Answer 12 months
Mechanical grooved couplings and fittings shall - Answer Be permitted to be used only
on carbon dioxide systems
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