Average Reviews:
(More customer reviews)Stanley 86504 Air Regulator and Gauge.
The regulator body is thick die-cast aluminum, painted dull black. The adjustment handle and sleeve it threads into are brass. Unit is solidly constructed, and has the heft of quality. The only plastic is the clear dial window.
There are four threaded ports in the regulator - two quarter inch NPT and two 3/8" NPT (National Pipe Thread). One quarter inch port is for the air gauge; the other would have the included plug inserted or optionally used for a full-flow output port. The 3/8" NPT holes are labeled "in" and "out". I happen to use quarter inch air fittings, so reducing adaptors were needed in those ports in my case (click on "see customer photos above). As expected, the consumer supplies any hoses/fittings for the in/out ports.
Just to be clear, with two output ports, this regulator can supply two tools, assuming they need the same pressure. That works fine for one person, but can be problematical for two people. That is, triggering two tools (e.g., nail drivers) within a split second of each other sometimes results in insufficient pressure for the second tool, particularly when using high-air-volume tools. On the other hand, even a half s second between triggering allows two tools to be used "simultaneously". This is not a defect of the regulator, especially since most regulators have but one output port.
The bottom of the regulator has a tightly secured screw-on cap, used to disassemble the device should it ever need cleaning. The top half of the unit (called the bonnet assembly) is secured to the bottom half with 6 screws; again, removable for cleaning. As with any regulator, unless dirt is ingested into the unit, internal cleaning will be rarely required. All 6 screws were loose on my regulator when received; took a few seconds to tighten them.
The device allows input air pressure up to 250 psi, and regulated pressure-out anywhere between 0 psi to 125 psi. This is sufficient for any air tool I'm aware of. For large air tools requiring substantial air volume, use the 3/8" NPT ports with 3/8" air fittings/hoses.
Operation is very smooth. Screw in the handle, and the output pressure, as shown on the air gauge needle, smoothly rises. It's easy to stop on a precise pressure - e.g., I typically use 80 psi for nailers. When a tool (e.g., a nail gun) is triggered, the air gauge needle flickers to a lower pressure and back again in the blink of an eye. With one tool, this regulator works as fast as you can pull the tool's trigger. The handle has a nut to lock-in a pressure; if for example, you were planning to use the same air tool for hours on end.
You can buy a less expensive (usually plastic) regulator, but if you want a high-quality well-engineered device, this is a good choice.
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