Page 432 - Pipeline Pigging Technology
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Pigging through Yfittings
PEAK PIGGING TRANSIT PEAK PIGGING
DIFF PRES SPOOL DIFF PRES FLOW IN
IN TRANSIT AVG VEL IN T- OPPOSITE
SPOOL(PSI) (FLOW RATE) (PSI) SIDE
6 4.50 FPS N/A 1,293
(184 SCFM) SCFM
5 6.30 FPS N/A NO FLOW
(769 SCFM)
10 10.0 FPS N/A NO FLOW
(1,539 SCFM)
10 20.0 FPS N/A NO FLOW
(1,643 SCFM)
Table 11. F.H.Maloney inflatable sphere (using air).
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