A 55-gallon drum of detailing concentrate is an operational asset — until dispensing from it becomes a problem. Tipping a drum to pour is unsafe and usually results in waste. Improvised scooping methods are messy and introduce contamination. A dedicated drum pump is the best high-volume solution, but for operations that dispense at a moderate rate — filling spray bottles a few times per day rather than continuous high-flow applications — a gravity-feed drum faucet is a practical, low-cost alternative that gives clean, controlled dispensing without the investment of a pump system.
The 2″ Drum Faucet from Polishing Systems Inc is a polypropylene spigot that threads into the standard 2-inch bung opening on a 55-gallon drum. Tilt the drum to a dispensing angle, thread in the faucet, and you have a gravity-feed spigot for filling spray bottles, applicator bottles, and smaller containers cleanly and without waste. Chemical-resistant polypropylene construction is compatible with the water-based chemicals used across the professional detailing product line.
What This Product Is
A 2-inch NPT threaded polypropylene drum faucet (spigot) designed for 2-inch bung drums. Polypropylene construction resists chemical attack from water-based cleaners, dressings, degreasers, and detailing concentrates. The lever or valve mechanism provides on/off flow control for clean, controlled dispensing without removing the bung and exposing the drum to contamination or evaporation. Compatible with standard 55-gallon steel drums and plastic drums with a 2-inch bung opening.
Key Features and Why They Matter
- 2-inch NPT thread — the standard bung size on 55-gallon drums. Thread in without adapters or special tools — hand-tighten is sufficient for most gravity-feed applications.
- Polypropylene chemical-resistant construction — compatible with water-based automotive detailing chemicals including all-purpose cleaners, dressings, car wash soaps, enzyme cleaners, and similar products. Does not corrode or degrade with regular chemical exposure.
- Gravity-feed valve mechanism — provides controlled on/off flow for filling smaller containers. No pump required for low-to-moderate flow dispensing.
- Reduces waste and contamination — dispensing through a valve rather than by tipping or scooping means cleaner operation and less product wasted per fill.
- Simple installation — thread into the bung opening by hand. No tools, no special fittings beyond the drum’s standard 2-inch bung port.
What This Is NOT For
This faucet is not designed for flammable solvents at high flow rates — check compatibility with the specific chemical you are dispensing before installing. Not appropriate for high-viscosity products (thick gels, pastes) that do not flow freely by gravity. Not a replacement for a drum pump in high-volume continuous-dispensing applications — for high-volume flow, a lever-action or pneumatic drum pump is more appropriate. Not for acids or highly corrosive chemicals without first verifying polypropylene compatibility with the specific product.
Who Uses This Faucet
Detail shops running 55-gallon drums of Deluxe Dressing, Dress All, or other water-based detailing chemicals who need a clean dispensing solution without a pump investment. Fleet maintenance facilities dispensing car wash soap or degreaser concentrate from drums. Car washes filling applicator reservoirs from drum supply. Any operation with a 55-gallon drum of water-based product that dispenses by fill rather than continuous-flow application.
How to Install and Use
- Remove the existing bung plug from the drum’s 2-inch bung opening using a bung wrench.
- Thread the faucet into the 2-inch opening by hand. For gravity-feed dispensing, the drum may need to be tilted or positioned on a drum tipping cradle so the bung is at the lowest position.
- Open the valve by turning the lever or handle to the open position. Fill the target container.
- Close the valve fully before removing the container. Ensure the valve is closed before repositioning the drum.
- Replace with the original bung cap when the drum is going back to upright storage and the faucet is removed.
Why Buy vs. Using the Original Drum Bung
Dispensing from a 55-gallon drum without a faucet or pump means removing the bung cap, tipping the drum (a safety risk with heavy full drums), and pouring — which wastes product, risks spills, and exposes the drum interior to contamination every time you open it. A drum faucet provides a permanent dispensing point that keeps the drum sealed except when actively dispensing, reduces spill risk, and eliminates the physical awkwardness of working with a full drum. At a minimal cost relative to the value of the chemistry in the drum, it is the right accessory for any drum-scale purchasing operation.
Frequently Asked Questions
Does this faucet fit plastic drums as well as steel drums?
Yes — the 2-inch NPT thread is standard on both steel and plastic (HDPE) 55-gallon drums. The polypropylene faucet body is compatible with both drum materials and is gentle enough not to damage plastic bung threads when installed hand-tight.
Can I leave the faucet installed when the drum is stored upright?
The faucet is designed for drums oriented in a dispensing position (bung accessible at the side or bottom). When a drum is stored upright, the bung is at the top — a faucet in that position does not provide gravity feed. For storage, return the original bung cap. Install the faucet when the drum is positioned for dispensing.
Is polypropylene safe for use with alcohol-based products?
Polypropylene has good resistance to most alcohols at low to moderate concentrations. For denatured alcohol or high-concentration IPA in drum storage, verify polypropylene compatibility with the specific formulation before committing to this faucet. A polypropylene-compatibility chart is available from most chemical reference sources for specific chemical families.
What size opening does this faucet require?
This faucet uses the 2-inch NPT thread standard — the larger of the two bung openings on a standard 55-gallon drum (the other is typically a 3/4-inch NPS opening). Ensure your drum has the 2-inch bung to use this faucet. The 3/4-inch opening is not compatible with this product.





