Source: https://guthlabs.ai/docs/instrument-workflows/pipe-pump/

instrument cross-check / verified-workflow-definition

# Pipe & Pump Bench

Flow, losses, pump power — with the orifice/venturi meter pair.

Status: **observed**Lifecycle: **verified-workflow-definition**

## Goal

Flow, losses, pump power — with the orifice/venturi meter pair.

## Instrument chain

- 01

**[Reynolds Number Calculator](<https://guthlabs.ai/docs/instruments/reynolds-number-calculator/>)**

regime

VERIFIED

- 02

**[Darcy-Weisbach Pressure Drop Calculator](<https://guthlabs.ai/docs/instruments/darcy-weisbach-pressure-drop-calculator/>)**

friction

VERIFIED

- 03

**[Pipe System Pressure Drop (Series Network) Calculator](<https://guthlabs.ai/docs/instruments/pipe-system-pressure-drop-series-network-calculator/>)**

systems

VERIFIED

- 04

**[Pump Hydraulic Power Calculator](<https://guthlabs.ai/docs/instruments/pump-hydraulic-power-calculator/>)**

pump

VERIFIED

- 05

**[Pump Affinity Laws Calculator](<https://guthlabs.ai/docs/instruments/pump-affinity-laws-calculator/>)**

speed scaling

VERIFIED

- 06

**[Bernoulli Equation Solver](<https://guthlabs.ai/docs/instruments/bernoulli-equation-solver/>)**

energy line

VERIFIED

- 07

**[Orifice Flow Meter Calculator](<https://guthlabs.ai/docs/instruments/orifice-flow-meter-calculator/>)**

meter 1

VERIFIED

- 08

**[Venturi Flow Meter Calculator](<https://guthlabs.ai/docs/instruments/venturi-flow-meter-calculator/>)**

meter 2

VERIFIED

## Handoffs and cross-checks

Q → V → Re → f → losses → head → pump power; meters verify Q independently.

## PointGuard stance

hf and ΔP are the same statement (ΔP = ρg·hf) — compute both and require consistency (the t4-228 failure mode).

## Sources and evidence

These pointers bind the page to evidence. They do not grant authority or collapse verification into deployment.

- `INSTRUMENT_COMBOS.json`

- `VERIFIED_LEDGER.json`