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Staun Tyre Deflators
"Every now and again you come across a product that is truly revolutionary and worth its weight in gold, saving time and inconvenience when out in the field. The Staun Tyre Deflator kit is one of those rarities, a great accessory that belongs in every four-wheeler's glovebox, easily used for accurate deflation purposes, perfect as a gift"
4wd driver trainer, author & presenter of foxtel's "beyond the bitumen" television series - David Wilson
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STAUN TYRE DEFLATORS ARE THE EASIEST, MOST ACCURATE WAY OF DECREASING YOUR VEHICLE'S TYRE PRESSURE. THEY ARE THE MOST SUPERIOR HIGH QUALITY, FULLY GUARANTEED DEFLATORS AVAILABLE ON THE MARKET.
There are several benefits of deflating your tires to a lower pressure that extend beyond generally improving your vehicle's overall performance.
THESE BENEFITS INCLUDE:
INCREASING YOUR VEHICLE'S TRACTION
A 25-30% decrease in tire pressure will yield up to 250% improvement in traction, by increasing the depth and width of the tire on the surface.
INCREASING THE FOOT PRINT
MINIMIZING ENVIRONMENTAL DISRUPTION
An inflated tire will leave a noticeably more significant imprint on the terrain it is crossing, which can be reduced by simply reducing the tire pressure. This works to protect and conserve our natural environment, meaning everyone can enjoy the off-road experience in the future.
IMPROVED ABLITY TO TRAVEL ON SOFTER SURFACES
The bigger the footprint, the softer the surface you can travel on as the weight of the vehicle is distributed over a larger surface area. When tires have very little or no traction they have a greater chance of getting bogged down or stuck in the surface or terrain that they are being driven through.
REDUCING RESISTANCE TO OBSTACLES
Tests have shown a 40% improvement in overcoming obstacles at lower tire pressures, due to the low pressure tires being able to contort over the obstacle. Therefore the drive becomes a less bumpy, much softer ride.
OBSTACLE ROLLING RESISTANCE
IMPROVING FUEL ECONOMY BY 10-15%
Fuel usage increases when tires are at higher pressures because more revs and greater acceleration is required to take the vehicle over the off-road surfaces.
BEING SAFER AT HIGHER SPEEDS
The increased surface area of the tires enables the vehicle to be stabilized at higher speeds on softer surfaces.
REDUCING WEAR AND TEAR ON DRIVE TRAIN COMPONENTS
When driving with higher tire pressure on soft surfaces your vehicle must be driven in lower gears to go over the terrain, resulting in more wear and tear on drive train components such as differentials, gear boxes and axle bearings.
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STAUN TYRE DEFLATORS ARE BY FAR THE QUICKEST AND EASIEST WAY TO REDUCE TYRE PRESSURE - SAY GOODBYE TO THE HASSLE OF FIDDLING AROUND WITH KEYS, MATCHSTICKS OR POOR QUALITY DEVICES.
Basically all you have to do is screw a deflator onto your tyre valve stem and then leave them to do all of the work - YOU DON'T EVEN NEED ANY TOOLS TO USE THEM!
Instructional Video/MP3 - To view an instructional video on how the Staun Tyre Deflators work and see first hand how easy they are to operate please download the mpeg file below.
view mpeg instructional video (2.6Mb)
The deflators are supplied at a preset pressure, however you
can adjust this pressure to your desired level. It is not necessary
to reset them again unless you wish to change the psi that you
want to reduce your tyre pressure to.
Exactly how much you reduce your tyre pressure depends
on a variety of factors, such as how much weight your tyres
are supporting. Additionally the softness of the surface that
you are travelling through will also affect how much you need
to let your tyres down. Through trial and error you can find
your personal preference and determine what tyre pressure suits
you.
Staun Tyre Deflators do not have a minimum start
off pressure so you do not need to bring your tyre pressure
back up in order to reduce it further. Simply turn the adjusting
cap anti-clockwise to further reduce your tyre pressure. If
they do not start automatically you can manually start them
by lifting the pin. Please check your product header card for
individual pressure settings.
The Staun Tyre Deflators need to be screwed on from
the finger grip located at the base of the valve. Do not use
the adjusting cap or lock ring to fix the deflator to the valve
stem. For a comprehensive demonstration on how to install the
deflators onto your tyres please view the video above.
Disclaimer -
Subject to any applicable statutory rights, the manufacturer
(including any authorized agent selling the product) expressly
limits any liability with respect to the product to the person
who purchased the product from the manufacturer or authorized
agent and such liability is expressly limited to the cost of
replacing the product.
This product is designed to be used to deflate tyres
through quick release of gas pressure and no eyes, ears or other
body parts should be placed near these escaping gases. Further,
the product should only be used in close proximity to a device
that will inflate tyres to manufacturer's specifications. The
manufacturer and its agents shall not be liable or responsible
in any event for the device completely deflating any tyre below
the tyre manufacturer's specifications.
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This deflator has been designed for those who require lower pressure ranges with extreme accuracy. Suitable for competitive Rock Crawlers & Dune Buggies who deflate to as low as 4 - 5 psi with bead locks.
This model comes preset at 7 psi and has an adjustment of 2 psi per half turn and 4 psi per full turn of the adjustment cap. It also only requires 2 psi above its preset pressure to start automatically, but can be manually started by lifting the pin as little as 1 psi above the preset pressure.
This deflator has been designed to suit most 4WD deflation needs. Suitable for beach or bush pressures it comes preset at 18psi and is accurate to within 0.25psi.
It has an adjustment of 3psi per half turn and 6psi per full turn of the adjustment cap. Requiring 7 psi above its preset pressure to start automatically, they can be started manually by lifting the pin at as little as 2 psi above its preset pressure.
This deflator is designed to deflate to and from higher pressures. It is also accurate to within 0.25psi. Designed for use in the light to heavy trucking industry, it is also suitable for agricultural and farming equipment.
This model comes preset at 35psi and has an adjustment of 4psi per half turn and 8psi per full turn of the adjustment cap. It requires 8psi above its preset pressure to start automatically or can be manually started by lifting the pin at as little as 2 psi above its preset pressure.
This unique set comes with 4 Standard deflators and 2 Heavy Duty deflators. Designed to suit those who tow camper trailers and vans off road and on the beach. While your 4WD tyres are deflated to your preferred pressure, the trailer would normally deflate to different pressures based on the weight of the trailer/van.
This set allows you to deflate your 4WD and trailer at the same time without having to adjust your 4WD deflators to deflate your trailer/van. Your 4 Standard deflators are preset at 18psi and the 2 Heavy Duty deflators are preset at 22psi.
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A common question about tyre deflators is "Can I leave them on while I am driving?"And the answer is "Yes you can, BUT only if you want to take certain risks." The biggest danger of driving with deflators still attached to the valve stem is that the tyre could deflate fully. This can cause the tyre to come away from the rim, which can result in an accident occurring with potential fatalities.
Another reason to remove deflators before driving off road is the potential for the valve stem to snap. Once a deflator is screwed onto the valve stem it becomes an extension of that stem.
Therefore, if you were to knock the deflator with any obstacle, you could snap the valve stem at the rim causing instant deflation.The other major risk is that debris, such as sand or muddy water, can pollute the chamber and prevent the deflator from sealing.
These are the logical reasons why Staun Products
does not recommend that you drive with any deflator left
on your vehicle.
- How much do you trust your deflators?
- Have they worked every time?
- Are they consistently accurate?
- Staun Products produce the most reliable tyre deflators
on the market. They are not only one of the fastest
deflators, they are the most accurate.
- If your deflator is fast and accurate enough, ask
yourself what is 4 minutes out of your adventure to
ensure a safer journey?
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THERE ARE SO MANY FEATURES OF STAUN TYRE DEFLATORS THAT
MAKE THEM SUCH A UNIQUE PRODUCT:
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They are fully adjustable
Each valve has an adjustment range
specific to the level of deflation you require
They are easy to use, not requiring any tools
They are highly accurate, deflating to within 0.05psi of the preset pressure they have been adjusted to
They are the smallest tyre deflators available measuring only 30mm x 15mm (1.18" x 0.6")
They are one of the lightest deflators weighing only 32 grams (1.13 ounces)
They are made of 100% brass
They are the fastest deflators on the market (tests found a normal 10rx15 tyre takes approx. 1 minute and 30 seconds to deflate from 32psi to 18psi)
Every valve is completely pre-tested to ensure high performance
They are covered with a 5 year guarantee
They can be used for all types of four wheel driving ranging from coastal sand driving, desert sand driving, rock climbing to mud driving. |
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AUTOMATIC TIRE DEFLATORS
Automatic tire deflators are popping up all around the world. They vary in size and shape, and some look virtually identical to our Staunies. My objective was to see how they worked. And since I was not in on the design, I could not say what the other manufacturers' design objectives were, or if they were working properly, all I could do was report how they worked for me in the situations below. The videos present that information.
However, I can tell you what the Staun automatic tire deflator design objectives were. We wanted a valve that decisively turned on, decisively shut off, and did not leak after shut off. We wanted a deflator that was easy to adjust without tools, and was repeatable and reliable.
I first put all of the deflators on our standard trade show tire deflator demonstration fixture. I'd inflate the simulated tire to 30-something psi, screw a deflator on the standard valve stem just as I would a tire, observe and listen to how it started and shut off.
All deflators were adjusted to 15 �2 psi. Some of the valves were hard to adjust because they did not have distinctive turn on or turn off qualities. Since I had a microphone near the valve stem, I also tried looking at the audio waveform to determine if I could see a distinct change in waveform amplitude. On some, this helped and on others it was of no help.
View air test video
Knowing that my ears, and maybe even the microphone could miss the sound of residual air flow after shut off, I ran each valve underwater. Water reveals the slightest trace of residual air flow. The fixture is simply a two-port manifold, underwater, with gauges and valves to measure and control the process. I had a video camera and microphone to observe the whole thing with lasers to help disclose even the slightest trace of bubbles. I chose to run each valve along side a Staunie to ensure the skeptical that there were no tricks.
View water test video
Using water idea is not new. When I first evaluated the Staunies for my newsletter in 2001, before I went to work for Staun, I did the same thing. And for the skeptical, I have personally had the occasion to lower my tire pressure in a stream after finding the stream bed traction gave out, so using the deflators underwater is not that far fetched.by Harry Lewellyn
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