SANDPIPER U1F User Manual
II 2GD T5
SERVICE & OPERATING MANUAL
Original Instructions
Model U1F Metallic Design Level 1
Table of Contents
See pages 2, 24 and 25
for ATEX ratings.
Engineering Data and Temperature Limitations .................................................... 1
Explanation of Pump Nomenclature ...................................................................... 2
Performance Curve ............................................................................................... 3
Dimensions ........................................................................................................... 4
Metric Dimensions ................................................................................................ 5
Principle of Pump Operation.................................................................................. 6
Installation and Start-Up ........................................................................................ 6
Air Supply .............................................................................................................. 6
Air Valve Lubrication .............................................................................................. 6
Air Line Moisture.................................................................................................... 6
Air Inlet and Priming .............................................................................................. 6
Between Uses ....................................................................................................... 6
Installation Guide ................................................................................................... 7
Troubleshooting ..................................................................................................... 8
Warranty ................................................................................................................ 8
Recycling ............................................................................................................... 9
Important Safety Information ................................................................................. 9
Material Codes .................................................................................................... 10
Composite Repair Parts Drawing ........................................................................ 12
Available Service and Conversion Kits ................................................................ 12
Composite Repair Parts List ................................................................................ 13
Air Distribution Valve Assembly Drawing and Parts List ...................................... 14
Air Distribution Valve Servicing ............................................................................15
Pilot Valve Servicing, Assembly Drawing & Parts List ......................................... 16
Diaphragm Service Drawing, with Overlay .......................................................... 17
Diaphragm Service Drawing, Non-Overlay.......................................................... 17
Diaphragm Servicing ........................................................................................... 18
Overlay Diaphragm Servicing ............................................................................. 18
Actuator Plunger Servicing .................................................................................. 19
Check Valve Servicing .........................................................................................20
Check Valve Drawing ..........................................................................................20
Mufer Drawing and Provision for Piping Air Exhaust ......................................... 21
Pumping Hazardous Liquids................................................................................ 21
Converting Pump for Piping Exhaust Air .............................................................21
Converted Exhaust Illustration............................................................................. 21
Grounding The Pump .......................................................................................... 22
CE Declaration of Conformity .............................................................................. 23
CE Declaration of Conformity ATEX .................................................................... 24
Explanation of ATEX Certications ...................................................................... 25
u1fmdl1sm-rev0214
Warren Rupp, Inc. • A Unit of IDEX Corporation • 800 N. Main St., Manseld, Ohio 44902 USA
Telephone (419) 524-8388 • Fax (419) 522-7867 • warrenrupp.com
©Copyright 2014 Warren Rupp, Inc. All rights reserved.
Quality System
II 2GD T5
ISO 9001 Certied
Environmental
Management System
ISO 14001 Certied
See pages 2, 24 and 25
for ATEX ratings.
U1F Metallic
Air-Operated
Double Diaphragm Pump
ENGINEERING, PERFORMANCE
& CONSTRUCTION DATA
INTAKE/DISCHARGE PIPE SIZE
1" NPT(internal)
1" BSPT Tapered (internal)
CAUTION! Operating temperature limitations are as follows:
CAPACITY
0 to 45 gallons per minute
(0 to 170 liters per minute)
AIR VALVE
No-lube, no-stall
design
SOLIDS-HANDLING
Up to .25 in. (6mm)
HEADS UP TO
100 psi or 230.7 ft. of water
(7 Kg/cm2 or 70 meters)
Maximum and Minimum Temperatures are the limits for which these
materials can be operated. Temperatures coupled with pressure affect the
longevity of diaphragm pump components. Maximum life should not be
expected at the extreme limits of the temperature ranges.
Operating Temperatures
DISPLACEMENT/STROKE
.11 Gallon / .42 liter
Materials Maximum Minimum
Nitrile General purpose, oil-resistant. Shows good solvent, oil, water and hydraulic uid resistance. Should not be used with highly polar
solvents like acetone and MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons.
NEOPRENE All purpose. Resistant to vegetable oils. Generally not affected by moderate chemicals, fats, greases and many oils and
solvents. Generally attacked by strong oxidizing acids, ketones, esters, nitro hydrocarbons and chlorinated aromatic hydrocarbons.
PTFE Chemically inert, virtually impervious. Very few chemicals are known to react chemically with PTFE: molten alkali metals, turbulent liquid or gaseous uorine and a few uoro-chemicals such as chlorine triuoride or oxygen diuoride which readily liberate free
uorine at elevated temperatures.
Polypropylene: A thermoplastic polymer. Moderate tensile and ex strength. Resists strong acids and alkalie. Attacked by chlorine,
fuming nitric acid and other strong oxidizing agents.
UHMW PE: A thermoplastic polymer that is highly resistant to a broad range of chemicals. Exhibits outstanding abrasion and impact
resistance, along with environmental stress-cracking resistance.
For specic applications, always consult Warren Rupp's “Chemical Resistance Chart”
SANDPIPER® pumps are designed to be powered only by compressed air.
190°F -10°F
88°C -23°C
200°F -10°F
93°C -23°C
220°F -35°F
104°C -37°C
180°F 32°F
82°C 0°C
180°F -35°F
82°C -37°C
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 1
Explanation of Pump Nomenclature
II 2GD T5
U1F UL79 Listed Metallic · Design Level 1· Ball Valve
Check Diaphragm/ Check Non-Wetted Shipping
MODEL Pump Pump Valve Design Wetted Check Valve Valve Material Porting Pump Pump Kit Weight
Brand Size Type Level Material Materials Seat Options Options Style Options Options lbs. (kg)
U1F B1XBTXNS600. U 1F B 1 X B T X N S 6 00. 53 (24)
U1F B1XGTXNS600. U 1F B 1 X G T X N S 6 00. 53 (24)
U1F B1XGAXNS600. U 1F B 1 X G A X N S 6 00. 53 (24)
U1FB1CBTCNS600. U 1F B 1 C B T C N S 6 00. 53 (24)
U1FB1CGTCNS600. U 1F B 1 C G T C N S 6 00. 53 (24)
U1F B1XBTXSS600. U 1F B 1 X B T X S S 6 00. 53 (24)
U1F B1XGTXSS600. U 1F B 1 X G T X S S 6 00. 53 (24)
Pump Brand
U= UL79 Listed SANDPIPER
Pump Size
1F=1"
Check Valve Type
B= Ball
Design Level
1= Design Level
®
Wetted Material
X= Unpainted Aluminum
C= Conductive Painted Aluminum
Diaphragm Check Valve Materials
B= Nitrile/Nitrile
G= PTFE-Neoprene/PTFE
Check Valve Seat
A= Aluminum
T= PTFE
Non-Wetted Material Options
X= Unpainted Aluminum
C= Conductive Painted Aluminum
Porting Options
N= NPT Threads
B= BSPT (Tapered) Threads
S= NPT Suction Port Facing Air
Inlet, NPT Discharge Port
Facing Air Exhaust
Model U1FB1XBTXNS600 is UL79 listed for pumping: Gasoline, Diesel Fuel, No. 4 Fuel Oils (or lighter), Motor
Oil, Kerosene, Aviation Fuel and Water
Model U1FB1XGTXNS600 and U1FB1XGAXNS600 are UL79 listed for pumping: Gasoline (Including
Alcohol Blends up to 15%), Diesel Fuel, Motor Oil, No. 4 Oil (or lighter), Kerosene, Aviation Fuel, Automatic
Transmission Fluid, Water, Waste Oil, and Ethylene Glycol.
II 2G c T5
II 3/2 G c T5
II 2D c T100°C
.
NOTE: See page 25 for ATEX Explanation
of Type Examination Certicate
pumping a product which is hazardous or toxic,
the air exhaust must be piped to an appropriate
area for safe disposition.
Pump Style
S= Standard
Pump Options
6= Metal Mufer
WARNING
In the event of diaphragm
rupture, pumped material
may enter the air end of the
pump, and be discharged
into the atmosphere. If
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 2
5(8.5)
15(25.5)
20(34)
25(42.5)
0 5 10 15 20
25 30 35 40 45
160140
180120100806040200
BAR
PSI
100
80
60
40
20
0
0
1
2
3
4
5
6
7
30
20
25
10
15
5
9.1
6
7.6
3
4.5
1.5
50
100 PSI (6.8 Bar)
60 PSI (4.08 Bar)
40 PSI (2.72 Bar)
80 PSI (5.44 Bar)
10(17)
30(51)
35(59.5)
40(68)
CAPACITY
Liters per minute
HEAD
U.S. Gallons per minute
NPSHR
METERS
FEET
20 PSI (1.36 Bar) Air Inlet Pressure
MODEL U1F Metallic Performance Curve
Performance based on the following: elastomer fitted pump, flooded suction, water at ambient conditions.
The use of other materials and varying hydraulic conditions may result in deviations in excess of 5%.
Performance Curve, U1F UL79 Listed Metallic Design Level 1
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 3
Dimensions: U1F UL79 LISTED Metallic
Dimensions in Inches
Dimensional Tolerance:±1/8"
DISCHARGE PORT
1” NPT
SUCTION PORT
1” NPT
SIDE VIEW
FRONT VIEW
1” NPT EXHAUST PORT
FOR OPTIONAL MUFFLER
STYLES OR PIPING EXHAUST
AIR IN SUBMERGED
APPLICATIONS.
WITH 530-033-000
MUFFLER
BOTH SUCTION AND
BOTTOM VIEW
DISCHARGE PORTS ARE
AVAILABLE WITH
1” BSPT TAPERED THREADS
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 4
Metric Dimensions: U1F UL79 Listed Metallic
Dimensions in Millimeters
Dimensional Tolerance:± 3mm
SUCTION PORT
DISCHARGE PORT
1” NPT
1” NPT
FRONT VIEW
1” NPT EXHAUST PORT
FOR OPTIONAL MUFFLER
STYLES OR PIPING EXHAUST
AIR IN SUBMERGED
APPLICATIONS.
WITH 530-033-000
MUFFLER
SIDE VIEW
BOTH SUCTION AND
BOTTOM VIEW
DISCHARGE PORTS ARE
AVAILABLE WITH
1” BSPT TAPERED THREADS
AIR INLET
1/2” NPT
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 5
PRINCIPLE OF PUMP OPERATION
This ball type check valve pump
is powered by compressed air and is
a 1:1 ratio design. The inner side of
one diaphragm chamber is alternately
pressurized while simultaneously
exhausting the other inner chamber.
This causes the diaphragms, which are
connected by a common rod secured by
plates to the centers of the diaphragms,
to move in a reciprocating action. (As
one diaphragm performs the discharge
stroke the other diaphragm is pulled
to perform the suction stroke in the
opposite chamber.) Air pressure is
applied over the entire inner surface of
the diaphragm while liquid is discharged
from the opposite side of the diaphragm.
The diaphragm operates in a balanced
condition during the discharge stroke
which allows the pump to be operated
at discharge heads over 200 feet (61
meters) of water.
For maximum diaphragm life, keep
the pump as close to the liquid being
pumped as possible. Positive suction
head in excess of 10 feet of liquid
(3.048 meters) may require a back
pressure regulating device to maximize
diaphragm life.
Alternate pressurizing and
exhausting of the diaphragm chamber
is performed by an externally mounted,
pilot operated, four way spool type
air distribution valve. When the spool
shifts to one end of the valve body, inlet
pressure is applied to one diaphragm
chamber and the other diaphragm
chamber exhausts. When the spool
shifts to the opposite end of the valve
body, the pressure to the chambers is
reversed. The air distribution valve spool
is moved by a internal pilot valve which
alternately pressurizes one end of the air
distribution valve spool while exhausting
the other end. The pilot valve is shifted
at each end of the diaphragm stroke
when a actuator plunger is contacted
by the diaphragm plate. This actuator
plunger then pushes the end of the pilot
valve spool into position to activate the
air distribution valve.
The chambers are connected with
manifolds with a suction and discharge
check valve for each chamber,
maintaining ow in one direction through
the pump.
INSTALLATION AND START-UP
Locate the pump as close to the
product being pumped as possible. Keep
the suction line length and number of
ttings to a minimum. Do not reduce the
suction line diameter.
For installations of rigid piping, short
sections of flexible conductive hose
should be installed between the pump
and the piping. The exible conductive
hose reduces vibration and strain to the
pumping system. A surge suppressor
is recommended to further reduce
pulsation in ow.
AIR SUPPLY
Air supply pressure cannot exceed
100 psi (7 bar). Connect the pump air
inlet to an air supply of sufcient capacity
and pressure required for desired
performance. When the air supply line
is solid piping, use a short length of
exible conductive hose not less than
1/2" (13mm) in diameter between
the pump and the piping to reduce
strain to the piping. The weight of the
air supply line, regulators and lters
must be supported by some means
other than the air inlet cap. Failure to
provide support for the piping may result
in damage to the pump. A pressure
regulating valve should be installed
to insure air supply pressure does not
exceed recommended limits.
AIR VALVE LUBRICATION
The air distribution valve and the
pilot valve are designed to operate
WITHOUT lubrication. This is the
preferred mode of operation. There may
be instances of personal preference
or poor quality air supplies when
lubrication of the compressed air
supply is required. The pump air system
will operate with properly lubricated
compressed air supply. Proper
lubrication requires the use of an air line
lubricator (available from Warren Rupp)
set to deliver one drop of SAE 10 nondetergent oil for every 20 SCFM (9.4
liters/sec.) of air the pump consumes
at the point of operation. Consult the
pump’s published Performance Curve
to determine this.
AIR LINE MOISTURE
Water in the compressed air supply
can create problems such as icing or
freezing of the exhaust air, causing
the pump to cycle erratically or stop
operating. Water in the air supply can
be reduced by using a point-of-use
air dryer to supplement the user’s air
drying equipment. This device removes
water from the compressed air supply
and alleviates the icing or freezing
problems.
AIR INLET AND PRIMING
To start the pump, open the air
valve approximately 1/2" to 3/4" turn.
After the pump primes, the air valve
can be opened to increase air ow as
desired. If opening the valve increases
cycling rate, but does not increase the
rate of ow, cavitation has occurred.
The valve should be closed slightly to
obtain the most efcient air ow to pump
ow ratio.
BETWEEN USES
When the pump is used for materials
that tend to settle out or solidify when
not in motion, the pump should be
flushed after each use to prevent
damage. (Product remaining in the
pump between uses could dry out or
settle out. This could cause problems
with the diaphragms and check valves
at restart.) In freezing temperatures
the pump must be completely drained
between uses in all cases.
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 6
INSTALLATION GUIDE
Top Discharge Ball Valve Pump
1
Surge Suppressor
Filter/Regulator
2
3
Air Dryer
CAUTION
Use a gasoline-resistant pipe
compound to make pipe joints tight.
Pump shall be installed in accordance to Flammable
and Combustible Liquids Code, NFPA 30 or the Automotive
and Marine Service Station Code, NFPA 30A, as appropriate
to the intended use of the pump.
CAUTION
The air exhaust should be
piped to an area for safe
disposition of the product
being pumped, in the event
of a diaphragm failure.
1
WARNING
To maintain conductivity,
do not paint the pump, or if
painted, use a conductive
paint or coating.
The pump must be rigidly mounted
with fasteners to a conductive base
or natural ground.
u1fmdl1sm-rev0614 Model U1F UL79 Listed Metallic Design Level 1 Page 7
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