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Fire fighting selection guides stay on this page. The other topics each have an overview, a selection guide, the standards, the design rules, a buyer's checklist and FAQs.
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Fire fighting
Valve type selectionValve type selection. Use the valve that the duty actually needs. A gate valve isolates a line; it is a poor throttle. A butt…
Fire water: hydrant, sprinkler & fire pumps
Links…or · Pipe head loss calculator Catalogue categories: Pumps, Valves (/catalogue)
Piping
Links…ulator Catalogue categories: Pipes, Pipe Fittings, Flanges, Valves (/catalogue) --
Fittings, Valves & Instruments
OverviewOverview. Valves, pipe fittings, flanges, gaskets, fasteners, gauges and hoses complete every piping system. Subtopics: Valves (calcula…
Fittings, Valves & Instruments
Selection guideSelection guide. - Select valve type by duty: gate (isolation), globe (throttling), ball/butterfly (quarter-turn), check (non-return). Match flange cla…
Fittings, Valves & Instruments
Design rules of thumb & formulasDesign rules of thumb & formulas. - Valve sizing: Cv = Q · √(SG / ΔP) (Q in USGPM, ΔP in psi) Gauge range = 1.5–2 x operating pressure Flange class from B16.5 P-…
Fittings, Valves & Instruments
Buyer's checklistBuyer's checklist. - [ ] Valve test certificate (API 598) Body/trim MOC Pressure class and end connection Calibration certificate for instruments Bran…
Fittings, Valves & Instruments
FAQsFAQs. Q: Gate or ball valve? A: Ball for quick shut-off and tight seal; gate for large-bore full-flow isolation. Q: What does Class 150 mean? A: A …
Fittings, Valves & Instruments
LinksCalculators: Valves calculator · Pipe Fittings & Flanges calculator · Gaskets & Fasteners calculator · Gauges & Instruments calculator · H…