Mechanisms

Recent Blogs

Porous Water Filter diagram
Porous Water Filter Mechanism: How It Works, Parts, Diagram & Sizing Formula Explained
Porous water filters trap particulates by forcing flow through a graded pore matrix. Sizing, flux rates, and real applications in municipal and industrial use.
Pendulum Water Lift diagram
Pendulum Water Lift Mechanism: How It Works, Parts, Diagram, and Flow Rate Formula Explained
Pendulum Water Lift explained — how the swinging-arm pump moves water, sizing maths, real installations, and design tradeoffs for off-grid and heritage sites.
Pelton Water Wheel diagram
Pelton Water Wheel Mechanism Explained: How It Works, Parts, Formula, Diagram and Calculator
Learn how a Pelton water wheel converts high-head water jets into shaft power, with sizing formulas, real hydropower examples, and design tradeoffs.
Pearsall's Hydraulic Ram and Air Compressor diagram
Pearsall's Hydraulic Ram and Air Compressor: How It Works, Diagram, Parts and Uses Explained
Pearsall's Hydraulic Ram and Air Compressor explained — how the dual-action ram compresses air using falling water, with worked example and design formulas.
Pattison Rotary Pump diagram
Pattison Rotary Pump Mechanism Explained: How It Works, Diagram, Parts, Uses & Flow Calculator
Pattison Rotary Pump explained — how the eccentric rotor and sliding vanes generate flow, sizing math, and real applications in oil transfer and marine bilge...
Overshot Water Wheel diagram
Overshot Water Wheel Mechanism: How It Works, Parts, Diagram, Formula and Efficiency Explained
How an overshot water wheel converts head and flow into shaft power, with sizing math, real heritage mill examples, and a worked example for a...
Munson Double Turbine diagram
Munson Double Turbine Mechanism Explained: How Twin-Runner Reaction Hydropower Works, Parts & Uses
How the Munson Double Turbine works — twin inward-flow runners on one shaft for low-head hydropower. Formulas, sizing example, and real mill applications.
Multiple Ring Valve diagram
Multiple Ring Valve Mechanism: How Concentric Ring Plates Work, Parts, Sizing & Uses Explained
Multiple Ring Valve explained — how concentric ring plates handle high-flow pump discharge, sizing math, and real applications in compressors and process pumps.
Multiple Ball Valve diagram
Multiple Ball Valve Mechanism Explained: How It Works, Parts, Diagram, Uses & Cv Sizing
Learn how a multiple ball valve manifold routes hydraulic flow across several ports, with sizing math, real industrial examples, and selection trade-offs.
Mueller Water-pressure Regulator diagram
Mueller Water-pressure Regulator: How It Works, Parts, Diagram, and PRV Sizing Formula
Mueller water-pressure regulator: how it works, sizing formula, worked example for industrial water systems, and troubleshooting for pressure drift and chatter.
Montgolfier's Water Ram diagram
Montgolfier's Water Ram: How It Works, Parts, Diagram, and Sizing Formula Explained
Montgolfier's water ram (hydraulic ram pump) lifts water without external power. Learn how it works, the formula, sizing, and real installations.
Model Turbine diagram
Model Turbine Mechanism: How Scale Hydraulic Testing Works, Parts, Diagram and Similitude Formula
Model turbines explained — how scaled hydraulic test runners predict full-size performance for hydropower, marine and pump engineering projects.
Miscellaneous Hydraulic Motion diagram
Miscellaneous Hydraulic Motion Mechanism: How Rotary, Vane and Oscillating Actuators Work
Miscellaneous hydraulic motion covers oddball fluid-power circuits — rotary, oscillating, indexing — used in plant automation, marine gear, and heavy mobile equipment.
Milk Cooler diagram
Milk Cooler Mechanism Explained: How It Works, Parts, Diagram, and Sizing Formula
How a Milk Cooler works on dairy farms — bulk tank refrigeration, plate coolers, agitator design, and sizing the compressor for raw milk from 35°C...
Mason Water-pressure Regulator diagram
Mason Water-pressure Regulator: How It Works, Diagram, Parts, Formula and Sizing Explained
Mason water-pressure regulators stabilise downstream water pressure in buildings, irrigation and industrial lines. Learn how they work, sizing math and selection.
Lift Pump (form 2) diagram
Lift Pump (form 2) Mechanism Explained: How It Works, Diagram, Parts, Uses & Calculator
Lift pump form 2 explained — how the dual-valve piston design draws water up to 10 m, where it's used in well systems, plus a...
Lift and Force Pump diagram
Lift and Force Pump Mechanism Explained: How It Works, Parts, Diagram, and Uses
Lift and force pumps move water by combining suction and discharge strokes. See how they work, where they're used in fire and farm service, and...
Leffel Double-runner Turbine diagram
Leffel Double-runner Turbine: How It Works, Parts, Diagram, and Micro-Hydro Uses Explained
Leffel double-runner turbine explained — how the twin-runner layout handles variable flow in heritage micro-hydro and small mill installations.
Lancaster Turbine diagram
Lancaster Turbine Mechanism: How This Outward-Flow Water Turbine Works, Parts & Diagram
Lancaster Turbine explained — how this 19th-century outward-flow water turbine works, where it ran in New England mills, and how to size one for low-head...
Knott Rotary Pump diagram
Knott Rotary Pump Mechanism: How Trailer Overrun Vane Pumps Work, Parts & Diagram
Knott Rotary Pump explained — how the eccentric rotor and sliding vanes generate trailer brake hydraulic pressure, with sizing math and real braking examples.
Jonval Turbine diagram
Jonval Turbine Mechanism Explained: How It Works, Parts, Diagram, and Uses in Low-Head Hydropower
Jonval turbine explained: how this mid-19th-century mixed-flow water turbine works, where it powered industrial mills, and how to size one for low-head sites.
Iron Overshot Wheel diagram
Iron Overshot Wheel Mechanism: How It Works, Parts, Diagram, Formula and Uses Explained
Iron overshot waterwheel guide for engineers and restorers — how it works, head-to-power formulas, real mill examples, and sizing rules for hydro projects.
Impact Water Wheel diagram
Impact Water Wheel Mechanism Explained: How It Works, Parts, Formula and Uses
Learn how an impact water wheel converts high-velocity jet flow into rotary power, with formulas, worked examples, and real micro-hydro applications.
Hydrostatic Jack diagram
Hydrostatic Jack Mechanism: How It Works, Diagram, Parts, Formula and Uses Explained
Hydrostatic jack explained — how it works, the lift-force formula, real industrial examples, sizing tradeoffs and troubleshooting from FIRGELLI engineers.
Hydraulic Valve diagram
Hydraulic Valve Mechanism Explained: How It Works, Parts, Diagram and Calculator
Hydraulic valves control flow, pressure and direction in fluid power systems. Learn how spools, poppets and relief valves work in real industrial machines.