1. Date of download: 11/6/2017
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From: The Technique of Segmental Pigging Process for Long Distance Pipeline of Oil and Gas in China
J. Pressure Vessel Technol. 2016;139(1): doi: /
Figure Legend:
Water pressure testing schematic diagram: 1—setting pond; 2—reservoir; 3—filter casing; 4—filter; 5—centrifugal pump; 6—check valve; 7—flowmeter; 8—pressure testing car; 9—flowmeter; 10—valve; 11—valve; 12—pressure balance; 13—automatic pressure recorder; 14—pressure gage; and 15—emptying valve