Funnels

Industrial Funnel Selection — Quick Reference

Funnels direct liquids from container into hard-to-reach fill points without spilling. Selection turns on fluid (chemical compatibility), required flow rate (spout diameter), fill-point geometry (offset + extension neck), and material (plastic vs metal vs SS).

Critical: Petrol + volatile fuel = use METAL or static-dissipating funnel (plastic can build static charge → spark → ignition). For diesel + oil, plastic is fine. NEVER use plastic for hot fluids above material spec. Companion: diesel pumps, diesel nozzles, grease equipment, drum handling.

Funnels

Funnels are a simple but essential fluid handling tool — directing liquids from a container into a fill point that is too small, awkwardly positioned, or difficult to access without spilling. In industrial environments, funnels are used for transferring fuel, oils, lubricants, coolants, and chemicals safely and without waste. The right funnel for a given application depends on the fluid, the required flow rate, the fill point size, and any chemical compatibility requirements. AIMS Industrial supplies funnels in plastic, metal, and stainless steel for a wide range of industrial and workshop applications.

Plastic Funnels

Polyethylene and polypropylene funnels are the most common general-purpose choice for fuel, water, and mild chemical transfer. They are lightweight, inexpensive, chemical-resistant to most aliphatic hydrocarbons and dilute acids, and easy to clean. Translucent or clear plastic funnels allow flow to be monitored during filling. For petrol, diesel, lubricants, and coolant transfer in automotive, workshop, and light industrial use, a quality polypropylene funnel covers the majority of requirements. Note that some solvents — particularly ketones, aromatics, and chlorinated solvents — attack standard polyethylene; confirm chemical compatibility before use with aggressive fluids.

Metal and Stainless Steel Funnels

Galvanised steel and stainless steel funnels are specified where the fluid is incompatible with plastic, where the operating temperature exceeds plastic's limits, or where contamination of the fluid with plastic extractables is unacceptable. Stainless steel funnels are the standard for food and beverage applications, pharmaceutical manufacturing, and processes where fluid purity is critical. Galvanised funnels are used in fuel and lubricant handling in industrial maintenance; the galvanised coating is compatible with petroleum products but should not be used with acids or alkaline solutions that would attack the zinc.

Strainer Funnels and Specialty Types

Funnel and strainer combinations incorporate a mesh or perforated insert that filters debris as the fluid is poured — preventing contamination of the receiving container or equipment. Extended-neck funnels reach into deep or recessed fill points. Wide-mouth funnels suit high-flow transfers. Flexible hose-extension funnels are used in confined spaces where a rigid funnel cannot reach the fill point. For funnel selection matched to your fluid, temperature, and application requirements, contact our team.

Choosing the Right Funnel for the Job

Funnel selection depends on the fluid being transferred, the opening size of the receiving container, and the required flow rate. For viscous fluids such as gear oil or grease, wide-mouth funnels with a large-bore spout prevent slow pours and spillage. Chemical-resistant funnels made from polyethylene or HDPE are essential when handling solvents, acids, or cleaning agents. Strainer funnels add an extra layer of protection by filtering debris before it enters tanks or reservoirs. Having several sizes on hand reduces the risk of improvised transfers that lead to spills, contamination, and waste.

People Also Ask — Industrial Funnels

Q: What's the right funnel material for my application?

Polyethylene (PE) and polypropylene (PP) handle most water-based fluids, oils, and mild chemicals at low cost. Stainless steel suits hot fluids, harsh chemicals, food and pharmaceutical applications, and anywhere wash-down hygiene matters. Steel funnels handle fuel, oil, and workshop fluids but rust if not dried. For aggressive solvents or strong acids, check the chemical compatibility chart before selecting.

Q: Why does my funnel pour slowly or air-lock?

Air-locking happens when the funnel forms a seal against the container neck and trapped air can't escape upward as fluid flows down. The fix is a funnel with an air-release groove on the outside of the spout, or a vented funnel with a side breather. Slow pour without air-lock usually means the spout diameter is too small for the fluid viscosity — step up to a larger funnel.

Q: Should I use a funnel with a filter screen?

Yes, for any fluid where contamination matters — refilling engine oil, hydraulic fluid, brake fluid, gearbox oil, and fuel systems all benefit from filtering at the pour. Fine mesh (100 micron or finer) catches the dust and metal particles that cause premature wear in modern engines and hydraulic systems. Coarse mesh suits the first knock-down filter on agricultural fuel or workshop transfer use.

Q: What size funnel covers most workshop work?

A 150mm to 200mm diameter funnel with a 100mm to 150mm spout handles most engine oil, hydraulic fluid, brake fluid, and coolant top-ups. For drum-to-container transfer, a 250mm or larger funnel with a longer spout reaches into smaller-mouth containers. A small 75mm funnel covers fiddly jobs like topping up power-tool gearboxes or specialty fluids.

Q: Are anti-static funnels necessary for fuel handling?

Yes for flammable fuel transfer. Static charge builds up as fuel flows over plastic, and a spark from an ungrounded funnel can ignite the vapour above the container. Anti-static (conductive) funnels and grounded metal funnels safely dissipate the charge. For petrol, diesel, kerosene, and solvent transfer, the cost difference between standard and anti-static funnels is small for a critical safety upgrade.