Design rules for Piping
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Piping
Diameter by velocity: d = √(4Q / πv) (water 1.5–3 m/s, steam 25–35 m/s, air 6–10 m/s)Head loss (Darcy): hf = f·(L/D)·v²/2gWall thickness (B31.3): t = PD / 2(SE + PY) + cExample: 50 m³/h at 2 m/s → d ≈ 94 mm → 4" NB
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Calculators: Process Piping calculator · Utility (Air / Steam / Water) calculator · Gas (LPG / NG / O2) calculator · Pipe Supports calculator · Thermal Insulation calculator
Catalogue categories: Pipes, Pipe Fittings, Flanges, Valves
Products for this system
- European (Spain) SS 304 ERW pipe
- NVR NVR CAST IRON SLUICE VALVE NON RISING STEM FLANGED PN-1.6 50mm
- KK FILTER Panel Filter
- European (Spain) SS 304 ERW pipe
- Jindal Star MS ERW pipe heavy (HY) Jindal Star – 200 NB (8")
- Jindal Star MS ERW pipe heavy (HY) Jindal Star – 150 NB (6")
- Jindal Star MS ERW pipe heavy (HY) Jindal Star – 100 NB (4")
- Jindal Star MS ERW pipe heavy (HY) Jindal Star – 80 NB (3")
Pipe head loss calculatorPlant layout and piping engineering
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Standards cited by number for reference; verify designs with a qualified engineer.