HINTS AND RULES / PIPING
PRODUCTS AND SERVICESPREVIOUS EXPERIENCEARTICLESHINTS AND RULESLOCATIONS

Piping

  1. Flanges and fittings are rated for 150, 300, 600, 900, 1,500 or 2,500 psig.

  2. Line velocties and pressure drops, with line diameter, D, given in in.; Liquid pump discharge (5 + D/3) ft/s, 2.0 psi/100 ft; liquid pump suction (1/3 + D/6) ft/s, 0.4 psi/100 ft; steam or gas 20D ft/s 0.5 psi/100 ft.

  3. Control valves require at least a 10 psi drop for good control.

  4. Screwed fittings are used only on sizes 1.5 inch; smaller, flanged or welded fittings are used otherwise.


HINTS AND RULES
Drying and SolidsConveyors for Particular SolidsCooling TowersCompressors and Vacuum PumpsCrushing and Grinding
Extraction, Liquid-LiquidCrystallatisation from SolutionFiltrationHeat ExchangersMixing and Agitation
Particle Size EnlargementpipingPumpsReactorsRefrigeration
Size Seperation of ParticlesUtilities, Common SpecificationsVessels (Storage Tanks)

The information is arranged by commonly recognised categories. In some instances, definitions and general statements have been included for clarity.