DP Flow Element Sizing

Orifice plates, flow nozzles and venturi tubes per ISO 5167-2/-3/-4 (Reader–Harris/Gallagher) · three solve modes · validated <0.5% (methodology · orifice guide).

Primary elementEdition: ISO 5167-2:2003

Pipe ID, D

Bore / throat, d

Mass flow, qm(solved)

Inlet P₁ (abs)

Outlet P₂ (abs)

Density ρ₁

Viscosity μ

Mass flow, qm

18.2817 kg/s

β 0.58651 · C 0.60773 · Re_D 227536

PASS

β=0.587 within ISO 5167-2 validity 0.1–0.75.

E1.064995

epsilon1

area_m20.00282743

dP_kPa50

dPerm_Pa32147.54

dPerm_pct64.3

ReD227536

betaMin0.1

betaMax0.75

orifice-concentric · iso-5167-2:2003 — qm→ISO 5167-2 §5.1 mass-flow equation · C→ISO 5167-2 §5.3.2.1 Reader–Harris/Gallagher · epsilon→ISO 5167-2 §5.3.2.2 expansibility · dPerm→ISO 5167-2 §5.4.2 permanent pressure loss