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SPRAYING GUIDE
SELECTING THE RIGHT PUMP
SELECTING THE RIGHT PUMP
Because the pump is literally the “heart of the system,”
careful consideration must be made in selecting the right
pump. Seldom is there only one pump that will do the job.
To make a wise choice, you'll need to know about pump
types, how the pump is to be driven and the flow and
pressure requirements for your specific spraying system
and application.
To insure you can closely match the pump to your needs,
Hypro manufactures five types of pumps: roller, centrifugal,
diaphragm, turbine and piston pumps.
Roller Pumps (positive displacement)
Roller pumps are the number one all-around choice by
farmers throughout the world. The rollers (from 4 to 8,
depending on the model) revolve inside the pump housing to
force the spray solution through the outlet to the nozzle.
Roller pumps have a low initial cost and are extremely
versatile. They operate efficiently at PTO speeds of 540 and
1000 RPM and have a wide pressure range of up to 300 psi
and flow rates of 2-74 gpm. Roller pumps are self-priming
and easily adapt to PTO or gas engine drives. Specific seal,
roller and casting materials can be selected for compatibility
with certain herbicides, pesticides, fungicides and fertilizers.
“Positive displacement” vs. “non-positive displacement”
Hypro’s long line of pumps can be divided into two general
categories: “positive displacement” and “non-positive
displacement.” Roller, diaphragm and piston pumps are
positive displacement. That is, the flow from the pump is
directly proportional to the pump speed. This positive flow is
why all positive displacement pump hook-ups must include a
relief valve and bypass line between the pump outlet and the
nozzle shut-off valve.
Centrifugal and turbine pumps are non-positive
displacement. In these pumps, a rotating impeller creates a
centrifugal force that feeds the liquid through the system
instead of capturing and discharging a fixed volume “per
stroke” as rollers, pistons or diaphragms would do.
Therefore, if the outlet is closed, the impeller simply continues
to rotate harmlessly. That is why special relief valves are not
required in centrifugal pump systems.
Centrifugal Pumps (non-positive displacement)
In centrifugal pumps, spray solution enters through the center
of a rotating impeller that’s driven at speeds up to 6000
RPM. Spray solution is forced to the outer edge of the
housing. This centrifugal force is what delivers the liquid to
the nozzle. Traditionally thought of as low to medium
1
SELECTING THE RIGHT PUMP
pressure pumps (0-180 psi), centrifugals can deliver high
flow rates (up to 210 gpm). Because centrifugals have
minimum surfaces to wear and no valves, they are very
durable, easy to maintain and well suited for pumping
abrasive and corrosive materials. Because Hypro’s
centrifugal pumps use a mechanical face seal, dry-running
should be avoided.
Diaphragm Pumps (positive displacement)
Because of their design, diaphragm pumps provide excellent
handling of abrasive and corrosive materials. The pumping
cylinders (from 2 to 6) are separated from the piston
chambers (Hypro’s are oil-filled) by a synthetic diaphragm.
This keeps the spray solution from contacting and corroding
the internal pump components.
Piston pumps are not unlike an engine. That is, they have a
shaft, pistons and “intake” and “exhaust” valves. On the
down-stroke, the inlet valve opens, filling the chamber with
solution. On the up-stroke, the outlet valve opens, and the
piston forces the solution to the nozzle. Piston pumps deliver
relatively low flow rate (up to 10 gpm) at high pressure (up
to 400 psi). The replaceable piston cups can be of leather,
fabric or Buna-N rubber, depending on the type of solution
to be sprayed. They can be driven by 540 rpm PTO, gas
engine or electric motor. Their low volume/high pressure
capability permits use in general spraying as well as taskoriented applications such as spraying fence rows and
ditches and hydrostatic testing.
Hypro Pumps Identification Coding
Hypro uses serialized labeling to enable users to
precisely identify the pump when ordering parts or
requesting warranty service. Following is an example.
First line: Model Number
Second line: Serial Number
MODEL
6500N
1015 10583
SERIAL NO.
Ne
w
Diaphragm pumps are compact, self-priming and produce
medium-to-high pressures (275 to 725 psi) with flow rates of
3.5 to 66 gpm. Driven by 540 rpm PTO or gas engine,
diaphragm pumps are used for a variety of agricultural,
horticultural and pest control spraying applications.
Piston Pumps (positive displacement)
PATENTED
Br
ig ht
N
o n, M
SA
Because centrifugal pumps operate at higher speeds, the
PTO speed must be increased through a speedup gear drive
or belt/pulley drive or driven by a gas engine or a highspeed hydraulic motor (Hypro has models specifically
designed for each of these applications).
U
First digit: year (1=1991)
Second through fourth digits:
consecutive day of the year
the pump was manufactured.
Fifth digit: shift the pump
was built on.
Sixth through ninth digits:
consecutive pump number
built on the shift
Note: see the individual pump pages in this catalog for
information on decoding the pump’s model number.
2
PUMP DRIVES
PUMP DRIVES
How a pump is to be driven is often a primary consideration
in selecting the proper type of pump. If the power source has
already been determined, the following chart can be of
further help in selecting the type of Hypro pump that is best
suited to your needs.
You can use these pump types:
If your power source is:
540 rpm PTO
1000 rpm PTO
direct coupled
through gear drive:
through belt/pully:
direct coupled
through gear drive:
through belt/pulley:
Hydraulic Motor
12 Volt DC Motor
Gas Motor
Electric Motor
direct coupled
through gear reduct:
through belt/pulley:
direct coupled
through belt/pulley:
Roller
"
Centrifugal
Turbine
Diaphragm
"
Piston
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
Pump shaft rotation
With many pumps, you need to specify which direction the
shaft rotates . . . either clockwise (CW) or counter clockwise
(CCW). Hypro Corporation’s rules on shaft rotation are
as follows:
PTO Shaft:
clockwise (CW) rotation
Rule #1 “Eyes on the end”
Always view the rotation when you’re facing the end of the
drive shaft. If it turns clockwise, it’s a clockwise shaft. Always
use this rule for determining rotation of the pump shaft and
for the power source shaft (PTO, for example). Once you’ve
determined the rotation of the power source shaft, remember
Hypro rule #2:
Electric Motor:
counter clockwise
(CCW) rotation
Rule #2 “Opposites attract”
A clockwise (CW) rotating PTO shaft will require a
counterclockwise (CCW) rotating pump shaft, and vice versa.
All shaft rotation references in this catalog are based on
these two rules.
Gas Engine:
counter clockwise
(CCW) rotation
3
DETERMINING PUMP FLOW
AND PRESSURE REQUIREMENTS
DETERMINING PUMP FLOW AND PRESSURE REQUIREMENTS
Factor in an ”Excess Flow” Requirement
Every pumping task has an optimum volume and pressure
requirement. Determining that optimum (and selecting the
pump that delivers it) is key to an efficient and economical
spraying system operation.
It’s wise to have some excess flow capacity so you’ll not end
up with an undersized pump because actual operation
conditions can cause changes in spray system performance
(such as normal pump wear, operating at less than rated
speeds, etc.). Hypro recommends you add an additional
20% to your calculated total pump flow requirement to
compensate for these variables.
Pressure requirements for agricultural pumps are dependent
on both material to be applied and application targets. Soil
applied herbicides generally require a relatively low pressure
pump rating of 30-60 psi with foliar applied herbicides at
the top end of that range and slightly higher. Insecticides and
fungicides require higher pressure ratings of 100 to 500 psi.
Pressure must be sufficient, in the case of heavy foliage field
crops and orchard crops, to penetrate the leaf cover. In the
case of orchard crops, pressure must also be sufficient to
carry material up and over as well as into the canopy.
A number of factors must be considered to properly
determine the total flow you'll need from your pump.
They include:
• Type of spray operation (broadcast, banding, lowlevel, etc.)
• The chemical’s application rate, ground speed, boom
width, hose length, tank agitation, etc.
The spray task is the first consideration in determining flow
rate and pressure needs. The following formulas and
calculations can help.
Calculating agitation requirements
The pump must produce enough flow for both the
application rate and tank agitation requirements. Too little
agitation will not keep the solution in proper suspension and
too much agitation can cause foaming. Here are rule-ofthumb formulas for calculating how much additional pump
flow you’ll need for agitation.
Liquids:
Tank volume (gallons) x .05 = total agitation in gpm
Wettable Powders and Flowables:
Tank volume (gallons) x .125 = total agitation in gpm
EXAMPLE: If you’ll be spraying a wettable powder from a
100 gallon tank, proper agitation will require 12.5 gpm
additional flow from the pump.
4
Calculating pump flow for broadcast boom sprayers
Chemical application is measured in gallons-per-acre (gpa),
whereas pump flow is stated in gallons-per-minute (gpm).
To calculate the pump flow gpm required by a broadcast
boom sprayer, multiply the gpa application rate (from the
chemical label, usually 10-20 gpa) by the sprayer ground
speed (5-10 mph). Multiply the sum by the boom width on
your sprayer (in feet). Then, divide that number by 495. As
a formula, it is written like this:
Flow required
for boom (gpm) = gpa x mph x boom width (ft.)
495
The result will be the pump flow required to deliver the
proper application rate at the boom’s nozzles. Then calculate
your total pump flow requirement (broadcast):
Flow required for boom:
Flow required for agitation:
Sub-total
Excess flow requirement:
TOTAL PUMP FLOW NEEDED:
+
=
x
=
________ gpm
________ gpm
________ gpm
1.20
________
________
DETERMINING PUMP FLOW
AND PRESSURE REQUIREMENTS
Calculating pump flow for banding sprayers
First, multiply the band width (in inches) by the number of
rows to determine the total width (w). Then, multiply the
application rate (gpa from the chemical label) by the ground
speed (mph). Multiply that result by the total width (w)
calculated earlier. Then divided the result by 5940. Here’s
how the formula appears:
Flow required
or nozzles (gpm) = gpa x mph x w
5940
For total pump flow requirement (banding), calculate:
Flow required for boom:
Flow required for agitation:
Sub-total
Excess flow requirement:
TOTAL PUMP FLOW NEEDED:
+
=
x
=
________ gpm
________ gpm
________ gpm
1.20
________
________
Calculating pump flow for low and high pressure
hand gun spraying
For low-level spraying with a hand gun, such as for lawn
and turf care, professional applicators typically “walk” the
lawn at about 1,000 sq. ft. per minute. That means the
“gpm” rate of the hand gun will generally be the same as
“gallons per 1,000 sq. ft.” To determine your total pump
flow requirement:
Flow rate of hand gun/nozzle:
Flow required for agitation:
Sub-total
Excess flow requirement:
TOTAL PUMP FLOW NEEDED:
+
=
x
=
________ gallons per
1,0002 (same
as gpm)
________ gpm
________ gpm
________
1.20
________
Use this same method for calculating the pump flow
requirement for high pressure spraying, such as trees. Even
though the application “rate” is usually a visual saturation of
the tree, the known gpm factor will be the handgun nozzle
output, which is the rate you use for the calculation.
5
DETERMINING PUMP FLOW
AND PRESSURE REQUIREMENTS
DETERMINING PUMP FLOW AND PRESSURE REQUIREMENTS
For most hand gun chemical spraying, 40 psi at the nozzle
is typical. To properly select a pump that can deliver the right
nozzle pressure, you must consider the normal “pressure
drop” that occurs within the length of hose. The amount of
pressure drop through the hose depends on hose length,
hose diameter and flow rate. For example, as the
accompanying chart shows, 300' of 1⁄2" hose spraying at 6
gpm, will have a pressure drop of approximately 120 psi.
That means you need a pump delivering at least 160 psi in
order to insure 40 psi at the nozzle.
NOTE: When determining the total pump pressure
requirement for high tree spraying, you must also consider
the spray height (or reach) you need to attain. Generally,
pumps of up to 700 psi are used for this purpose.
Desired pressure at gun nozzle:
________ psi
Hose pressure loss:
+ ________ psi
TOTAL PUMP PRESSURE REQUIRED = ________ psi
1"
Pressure Loss at Various
Rates of Flow of Water
Through Hose*
34
/"
58
/"
100
80
60
50
40
30
at temperature of 68º
Fahrenheit (20ºC.)(*1⁄4 inch
to 1 inch inside diameter)
12
/"
7 16
/ "
38
/"
10
8
6
5
4
3
14
/"
2
1
.8
.6
.5
.4
.3
.2
.1
2
4
6 8 10
20
40 60 80100
200
400 600 1000
Pressure Loss, psi per 100 feet of hose, without couplings
6
2000
Inside Diameter Hose Size
FLOW – Gallons per Minute
20
HAND-HELD SPRAY GUN PERFORMANCE AT
VARIOUS PRESSURES AND NOZZLE SIZES
HAND-HELD SPRAY GUN PERFORMANCE AT
VARIOUS PRESSURES AND NOZZLE SIZES
When selecting system components for hand gun spraying
factors such as flow rate, vertical “throw”, nozzle size, spray
pattern and pressure must be considered. The following
chart provides data for capacity (gpm) and maximum
vertical throw in feet (ft.) at a variety of pressures and nozzle
sizes, as well as for “cone” or “straight” spray patterns.
NOTE: Data for this chart is based on Hypro Models
3381-0010, 3381-0011 and 3381-0013 spray guns.
HYPRO
MODEL
#
ORIFICE
DIAMETER
IN mm
EQUIV.
NOZZLE
#
PRESSURE
IN PSI**
PERFORMANCE
200 PSI
350 PSI
500 PSI
600 PSI
650 PSI
700 PSI
850 PSI
SETTING
SETTING
SETTING
SETTING
SETTING
SETTING
SETTING
Cone Straight Cone Straight Cone Straight Cone Straight Cone Straight Cone Straight Cone Straight
3385-2300
2.3
14
capacity in gpm
max throw (ft)
2.1
11.4
2.7
29
2.7
12.9
3.7
33.9
3.4
14.8
4.5
37.9
3.8
16.6
4.9
41.5
3.8
17
5
41.7
3.9
17.7
5.1
42
4.2
19
5.8
45.7
3385-3000
3
23
capacity in gpm
max throw (ft)
2.9
11.7
4.6
29.2
3.7
12.9
6.3
33.9
4.8
13.8
7.5
36.2
5.2
15.6
8.4
40.8
5.3
16
8.5
40.7
5.4
16.2
8.6
42
6
17
9.6
44.1
3385-3500
3.5
29
capacity in gpm
max throw (ft)
5.8
13.6
6
36.2
7.9
19
8.2
41.2
9.6
22.6
9.9
45.3
10.7
25.5
11.1
50
11
25.5
11.3
51
11.2
27
11.6
51.5
12.4
28.8
12.8
54
3385-4000
4
40
capacity in gpm
max throw (ft)
7
15.1
7.3
37.7
9.6
20.6
9.9
42.8
11.6
24.3
12
47
12.9
27.2
13.5
53
13.2
27.2
13.8
54
13.6
28.5
14.1
55
15
29
15.6
59
3385-4500
4.5
54
capacity in gpm
max throw (ft)
8.2
18.1
8.9
39.2
11.1
22.2
12
44.3
13.4
26
14.5
50.1
15
30.6
16.3
54
15.4
30.6
16.6
56
15.7
31
17
57
17.4
31.5
18.9
62
3385-5000
5
67
capacity in gpm
max throw (ft)
9.8
19.6
10.2
40.7
13.3
23.8
13.8
47
16
27.5
16.7
53.3
18
32.3
18.7
59
18.4
32.3
19.1
61
18.9
32.8
19.5
62
20.8
32.8
21.6
67
3385-5500
5.5
79
capacity in gpm
max throw (ft)
10.7
19.6
11.5
42.2
14.4
23.8
15.6
50.7
17.4
29
18.8
57
19.6
34
21
63
20
34
21.5
64
20.4
34.5
22
65
22.6
34.5
24.4
70
3385-6000
6
91
capacity in gpm
max throw (ft)
11.5
21.1
12.6
43.7
15.6
25.3
17.1
54
18.8
30.7
20.6
60
21
35.6
23.2
66
21.5
35.6
23.7
67
22
36
24.2
68
24.4
36
26.9
74
3385-7000
7
117
capacity in gpm
max throw (ft)
11.5
21.1
13.5
46.8
15.6
25.3
18.4
57
18.8
30.7
22.2
63
21
37.4
25
70
21.5
37.4
25.4
71
22
38
26
72
24.4
38
29
77
* Figures shown are guidelines for vertical throw.
** Pressures based on relief valve settings at straight throw.
7
RECOMMENDED PUMP PLACEMENT
PTO
PTO
PTO clip
mounting
Hitch
Point
Hitch
Point
Pump
Proper torque
arm mounting
PTO direct-mount
Location of PTO driven pumps and pump drive units can
have a significant effect on pump life. Mounting the pump
directly to the PTO is always a good choice. Even though
installation is relatively easy, use caution to insure the shaft
does not get bent or damaged. Always use a quality,
properly secured coupler and provide adequate support for
the pump itself in order to withstand the extreme bouncing
and vibration the system must endure. PTO mounting shields
should always be used for maximum safety and protection.
Pump
Correct Equidistant
Tumble Rod Installation
X and Y are equal, which
maintains equal u-joint angles
and prevents fluctuations.
Incorrect Tumble
Rod Installation
X and Y are not equal, creating
unequal u-joint angles which
can result in RPM fluctuations
and increased wear on the
u-joints and pump.
Tumble rod mounting
The best tumble rod installation occurs when the distance
from the PTO U-joint to the hitch is equal to the distance
from the hitch to the pump U-joint. For 540 RPM PTO shafts,
the distance from the hitch pin to the pump shaft should be
14 inches. For 1000 RPM 13⁄8" PTO shafts, the distance is
16 inches. For 1000 RPM 13⁄4" PTO shafts, the distance is
20 inches.
If direct PTO mounting is not convenient or desired, then
mount the pump in a convenient position on the pull-behind
sprayer and connect it to the tractor PTO with a “tumble
rod” power shaft. Exercise caution when using this approach
to insure: (1) the tumble rod is level; (2) the hitch pin is the
center-point; and (3) turn angles greater than 45º can be
avoided. Failure to follow these 3 points can cause “power
shocks” within the pump and drive units and increase wear
on seals, gears and, in the case of diaphragm pumps, the
diaphragms themselves.
Power shocks occur when the PTO shaft knuckle and the
universal joint at the pump end of the tumble rod turn faster
on the inside of the turning angle than on the outside. To
prevent these vibrations, the angle of the tumble rod to the
tractor PTO shaft and the angle of the tumble rod at the
pump shaft should be as close to equal as possible. This will
cancel out the fluctuations.
8
NOZZLES
NOZZLES
Worn, damaged or plugged nozzles are costly. . . to the
environment and your bottom line. As nozzles wear out,
their orifices become enlarged, resulting in over application
and uneven application of chemicals. Nozzle manufacturers
report that just a 10% increase in flow from worn nozzles
represent a loss of $2,000 to $10,000 on a twice-sprayed
1,000 acre farm (at $10-$50/acre chemical cost). And
when the potential environmental and crop damage is
considered, the real cost is almost immeasurable. The good
news is, monitoring and maintaining nozzle performance is
one of the easiest ways to help keep a spraying system
operating accurately and efficiently.
Even Spray
Flat Spray
1. As a rule, replace nozzles at the beginning of the
spraying season or every 40 hours, whichever comes first.
2. Only use the nozzle type that is recommended for your
particular spraying application.
Solid Spray
3. Calibrate your spraying system regularly to compensate
for normal nozzle wear.
4. Add a spray monitor to catch uneven performance and
plugged nozzles.
Flood
Hollow Cone
9
SPRAYER CALIBRATION
3. Multiply the application rate (gpa) by the speed (mph)
and the width of the spray pattern (w)*. Divide this
amount by 5940 (a constant), to determine the gallons
per minute (gpm) produced by each nozzle.
4. To set correct pressure, operate the water filled sprayer in
place to check for leaks and stoppages. Stop the sprayer,
and replace one tip on the boom with an identical new tip
and strainer. Check the tip product information sheet for
recommended delivery rate and pressure that matches the
gpm level calculated in Step 3.
SPRAYER CALIBRATION
Improperly calibrated sprayers threaten the wallet and the
environment. A few minutes spent calibrating a sprayer can
ensure expensive inputs go where they are supposed to and
at their recommended rate. Proper calibration exposes
under-pressured systems and worn tips that can sabotage a
spray program and its budget. Follow these steps to
calibrate your sprayer safely and effectively.
1. The first step in any calibration effort is to check tractor
speed. Mark off lengths of 100 and 200 ft. for measuring
tractor speeds of 5 mph and 10 mph, respectively. Fill the
sprayer tank half full of water, select the engine throttle
setting and gear that you expect to use when spraying,
then record the seconds required to drive the length of
each course twice at their respective settings. Average the
results of each set, and use the following equation to
determine ground speed.
Speed =
Distance (ft.) x 60
Time (sec.) x 88
Repeat the test as needed until the correct speed is identified.
Mark that setting on the tachometer or speedometer for in
field reference.
2. Record the nozzle spacing, nozzle type, ground speed
and product label application rate. Check to ensure all
nozzles are of a uniform type.
10
Engage the sprayer and adjust for recommended pressure.
Collect the volume of spray produced from the new nozzle
tip over a one minute period. Measure the water, and fine
tune the pressure setting until the calculated delivery rate is
reached.
5. Repeat the collection procedure with several tips on each
boom section. If variations in flow in excess of 10% are
produced from more than one tip, replace all old tips and
screens.
*If calibrating a sprayer for broadcast application, use boom
length for spray pattern width. If calibrating for banding, use
only actual spray pattern in inches (12 bands of 10" each
on 30" rows equals spray pattern width of 120" on a 30'
boom).
Directed applications with multiple nozzles require that the
row or band in inches be divided by the number of nozzles
directed at the row to calculate w
(30"/3 nozzles X# of rows = w).
HYPRO DIAPHRAGM PUMP
GAS ENGINE APPLICATIONS
WITH BRIGGS & STRATTON ENGINES
Spray Height
25-30 ft.
30-35 ft.
35-40 ft.
45-50 ft.
Pump Model
Engine
Spray Gun
Nozzle
3 hp
⁄8" Shaft
Flange Mount
3381-0010
or
3381-0013
3385-2300
5
9910-D252GRGI
3 hp
3381-0010
3385-3000
6 gpm; 275 psi
3
9910-D12GRGI
3.2 gpm; 275 psi
⁄4" Shaft
or
Flange Mount
3381-0013
9910-D30GRGI
5 - 5 ⁄2 hp
3381-0010
9.5 gpm; 550 psi
3
⁄4" Shaft
or
1
3385-3000
Flange Mount
3381-0013
910-D50GRGI
8 hp
3381-0011
3385-4000
14 gpm; 550 psi
1" Shaft
3381-0011
3385-4000
3381-0011
3385-4500
3381-0011
3385-6000
Flange Mount
45-50 ft.
9910D503GRGI
8 hp
14 gpm; 550 psi
1" Shaft
Flange Mount
50-57 ft.
9910-D813GRGI
14 hp
18 gpm; 700 psi
1" Shaft
Flange Mount
60-68 ft.
9910-D1064GRGI
18 hp
24 gpm; 700 psi
1" Shaft
Flange Mount
All GRGI pump models come complete with gear reduction and control valve.
11
SYSTEM HOOK-UPS
ROLLER PUMPS
Bypass Line
TURBINE PUMP
Agitator
Bypass Line
Tank
Shut-off
Agitation Line
Strainer
Pump
Relief Valve
To Spray Gun
In
Line
Strainer
Boom Shut-off Valve
CENTRIFUGAL PUMPS
Vent
Line
Agitation
Line
Valve
Agitators
Shut-off Valve
Line
Strainer
Line
Strainer
Line
Strainer
Pressure
Gauge
Boom
Shut-off
Valve
12
Relief
Valve
To Boom Nozzles
Boom Shut-off
or Selector
Control
Valve
Shut-off
Valve
Agitation
Line Valve
Pressure
Gauge
Pressure
Gauge
Control
Valve
Agitators
SYSTEM HOOK-UPS
DIAPHRAGM PUMPS
DIAPHRAGM PUMPS
Low and Medium Pressure Pumps
High Pressure Pumps
Agitator
Strainer
Control
Valve
Pump
Outlet
Outlet
Pump
Control
Valve
Bypass Line
Strainer
Tank
Shut-off
Agitation Line
Agitation Line
Tank
Shut-off
Bypass Line
Agitator
Pressure
Gauge
Relief Valve
To Spray Gun
Pressure
Gauge
To Boom Nozzles
Control
Relief
Valve Or Valve
To Spray Gun
Boom Shut-off
or Selector
To Boom Nozzles
Boom Shut-off
or Selector
SMALL TWIN PISTON PUMPS
Pulsation
Dampener
Pressure
Regulator
Line
Strainer
Filled
Pressure
Gauge
Compound
Gauge
Pump
Nozzle
Spray Gun
IN
OUT
Unloader
Valve
Bypass Back to Inlet
13
For fast, convenient and up-to-date information, call Hypro at:
Service and Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . .800-468-3428
Technical/Application . . . . . . . . . . . . . . . . . . . . . . . . . . .800-445-8360
Order Department . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .800-42HYPRO (800-424-9776)
FAX for fast delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . .800-323-6496
Form 226 1-01 Printed in USA
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