MRoy A/P & B Series
When you buy a fertilizer injection system
from Agri-Inject®, you’re getting a whole lot
more than just a pump on a piece of plywood.
As the world leader in fluid application
technology and equipment, we’ve gone to
extremes to make sure that every pump we
produce is complete in every detail. Our fertilizer
injection systems are designed and engineered
to provide reliable performance and maximum
results in any operation.
We provide the complete package to you.
Everything you need to get up and running
quickly and easily – backed by the experience
and expertise to help you enjoy the cost-saving,
yield-enhancing benefits fertigation offers.

Key Features
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Exclusive Mister Mist’r® injection valve with four-way release delivers accurate amounts of concentrate right into the middle of the water supply pipe. Mister Mist’r is also a check valve that helps prevent unwanted leakage or back flow contamination for increased safety. Versatile bleeder/needle valve adds even more convenience, control and safety to the injection process. |
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Agri-Inject systems are engineered for easy
maintenance. Accessible fittings, right-angle check
valves, handy oil plug and easy-to-change filter
assembly are all specifically designed for easy
access and maintenance. The end result is
a labor saving system that will last. |
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The self-contained design of Agri-Inject pumps make it easy for one person to handle and convenient to move from one system to the next. |
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Easy-to-read, 316 stainless steel flow rate dial lets you make adjustments quickly and simply, while the pump is running. |
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The control switch is sized specifically to each motor and provides overload protection. The switch enclosure is NEMA 4 rated. The control switch is fully integrated into the Nomad base. |
mRoy A |
Maximum Discharge Pressure |
350 PSI (24.13 bar) |
Single Phase, Three Phase and 12-volt DC |
1/4 hp (.19kW) |
Operating Range |
3.0 to 30 GPH (11.4 to 114 liters) |
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mRoy B Duplex |
Operating Range |
8.5 to 85 GPH (32.2 to 322 liters) |
Maximum Discharge Pressure |
350 PSI (24.13 bar) |
Single Phase Three Phase and 12-volt DC |
1 hp (.74 kW) |
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mRoy P |
Operating Range |
1.8 to 18 GPH (6.8 to 68 liters) |
Maximum Discharge Pressure |
350 PSI (24.13 bar) |
SIngle Phase, Three Phase and 12-volt DC |
1/4 hp (.19kW) |
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mRoy B |
Operating Range |
8.5 to 85 GPH |
Maximum Discharge Pressure |
350 PSI (24.13 bar) |
Single Phase Three Phase and 12-volt DC |
1 hp (.74kW) |
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mRoy A Duplex |
Operating Range |
3.0 to 30 GPH |
Maximum Discharge Pressure |
350 PSI (24.13 bar) |
Single Phase, Three Phase and 12-volt DC |
1/4 hp (.19kW) |
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mRoy P Duplex |
Maximum Discharge Pressure |
350 PSI (24.13 bar) |
Single Phase, Three Phase and 12-volt DC |
1/4 hp (.19kW) |
Operating Range |
1.8 to 18 GPH (6.8 to 68 liters) |
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What our clients say
“We buy multiple Agri-Inject pumps per year
that we resell to our customers for injecting
sulfuric acid to balance pH levels. We’ve tried
other pumps, but they just don’t hold up as
well as the Agri-Inject models. Since the
pumps are injecting from 93 to 98 percent
sulfuric acid, we don’t want our customers
having to touch them if there’s a problem. So
if they see a leak, they shut it off and call us,
and we’ll go out and do the repairs or
maintenance ourselves. Even then,
it’s usually a hose or the fittings
rather that the pump itself. It’s
not unusual to have Agri-Inject
pumps on the job for 10 years or
more. Then, what’s good about
them is we can bring them back
to our shop, rebuild them and
they’re good for another 10
years.”
— George Verdegaal,
Verdegaal Brothers, Inc.
Hanford, California
“We have a variety of liquid products we’re putting on barley and potatoes with
Agri-Inject pumps. Our pivots are making a circle approximately every two days and
there’s something being injected every time they go around from about late June
until early August. That includes three different fertilizer solutions, as well as
fungicides and pesticides that we put on using the same pumps. Most of
our land consists of pretty sandy soil, so we have to put on the nitrogen a
little at a time as the crop requires it. We’ve been using fertigation and
chemigation since 1978, but this past year was only our second season
with Agri-Inject pumps. We still have about eight pumps from another
company, but we just ordered two more 85-gallon Agri-Inject units,
partly because they’re so much easier to adjust and calibrate.”
— Jeff Raybould,
Rexburg, Idaho
Global technology
Since 1983, we’ve distributed metering pumps to every corner of the globe utilizing irrigation to raise sustainable crops. The engineered reliable design makes it ideally suited for years of service.
Environmentally safe
Utilizing a high quality fluid injection pump enables you to precisely provide what your crop needs while reducing the environmental impact. With Agri-Inject equipment, there are other benefits of reduced drift and reduced labor and energy costs. Agri-Inject also offers containment options to provide even further assurance of environmental safety.
Economical to operate
Lower operating costs at high volumes make the
mRoy A/P and B System Pumps especially effective for
applying fertilizer, chemicals, and other concentrates
through high acreage pivot irrigation systems.
Future of precision agriculture
Today we’re on the doorstep of dynamic growth of precision farming within the global agricultural industry. Agri-Inject products are perfectly in sync with precision agriculture. They are the cost effective way to apply precise amounts of fertilizer and crop protection products at precisely the right times during the growing season. That’s a sound “precision strategy” for improving yields and ensuring crop health for many years to come.
Where to buy
Agri-Inject products are distributed globally through an authorized dealer network. Each dealer has a solid reputation for responsive service and technical support. When you’re irrigating, you can’t afford to wait for answers. You’ll find the support you need from Agri-Inject is just around the corner.