MIL-HDBK-1027/1B
(3) In addition to the above, provide a bank of
two gaseous propane strainers with isolation valves at the
propane entry for each training structure. The strainer bank
should be located upstream from the isolation valve serving the
flow meter. Each strainer should be sized and designed as
follows:
(a)
The propane demand flow rate, L/s.
(b) Stainless steel 1000 kPa basket type
in-line strainer with flanged connections and ASME code stamp.
(c)
Provide with a 30 micron filter screen.
(d) Support large basket strainers on
outside reinforced structural concrete pads. Provide fence with
locked gate and warning sign displaying "WARNING - PROPANE. NO
SMOKING WITHIN 15 M."
(e)
Designed for outside use.
(f) Provide means for cleaning including
relieving propane pressure prior to opening the strainer.
(g) A potential manufacturer who can provide
this strainer is Stream-Flow-Strainers, Inc., Buffalo, NY, (800)
263-8251, or Haywood Industrial Products Inc., Elizabeth, NJ
(201) 351-5400. Other manufacturers are also available.
v)
Safety precautions to be observed in handling LP
gases:
(1) Smoking and open flames are prohibited in
areas of storage tanks, unloading stations, and vaporizer.
(2) Motor vehicles are prohibited from entering
the storage area. Motor vehicles should be prohibited from
entering or leaving unloading area while transport trucks or
tank cars are being unloaded.
(3)
Test for leaks with soapsuds and a pressure
drop test.
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