e) Refer to Section 2 of this handbook for corrosion
protection requirements of underground pipe.
10.2.5.2 Piping Materials. Provide pipe, valves, and
fittings in accordance with applicable sections of API Std
2510. Use Schedule 80 welded carbon steel. Threaded
connections are only allowed for valves and equipment.
Provide design characteristics and features for gas and liquid
pipelines in accordance with Section 9 of this handbook. The
minimum design pressure for liquid LPG piping is 350 psig
(2400 kPa) as required by NFPA 58. Use Class 300 ANSI flanges
as a minimum.
thermometers, strainers, and surge suppressors.
b) Ensure that meters are turbine-type with pressure
and temperature compensation and have electronic/digital
c) Install meters, if required, in accordance with
requirements of API MPMS 5.
tanks, on suction and discharge of pumps and compressors, on
inlet and outlet of vaporizers and on downstream of throttle
e) Provide thermometers on all tanks, in all
transfer lines for both liquid and gas, and on inlet and
outlet of vaporizers.
f) Provide strainers in compressor suctions,
upstream of meters and control valves.
g) Provide surge suppressors on liquid lines, if
h) Provide knock-out drums or scrubbers of suitable
capacities in suction lines of compressors to remove entrained
liquid. Provide drums with high level, shut-down devices,
automatic liquid drainers, glass gauges, and drains.