520-202-000 9/03 Model S20 Non-Metallic Design Level 2 Page 1
Santoprene
®
Injection molded thermoplastic elastomer with no fabric layer. Long mechanical flex life. Excellent abrasion 275°F -40°F
resistance. 135°C -40°C
Virgin PTFE Chemically inert, virtually impervious. Very few chemicals are known to react chemically with PTFE: molten alkali metals,
turbulent liquid or gaseous fluorine and a few fluoro-chemicals such as chlorine trifluoride or oxygen difluoride which readily liberate free 220°F -35°F
fluorine at elevated temperatures. 104°C -37°C
Polypropylene 180°F 32°F
82°C 0°C
Quality System
ISO9001 Certified
Environmental
Management System
ISO14001 Certified
S20 S20
S20 S20
S20
Non-Non-
Non-Non-
Non-
MetallicMetallic
MetallicMetallic
Metallic
Design Level 2Design Level 2
Design Level 2Design Level 2
Design Level 2
Ball VBall V
Ball VBall V
Ball V
alvealve
alvealve
alve
Air-PoweredAir-Powered
Air-PoweredAir-Powered
Air-Powered
Double-Diaphragm PumpDouble-Diaphragm Pump
Double-Diaphragm PumpDouble-Diaphragm Pump
Double-Diaphragm Pump
ENGINEERING, PERFORMANCE
& CONSTRUCTION DATA
CE
U.S. Patent #
5,851,109; 5,996,627;
400,210
Other U.S. Patents
Applied for
Materials Maximum Minimum
Operating Temperatures
For specific applications, always consult the Warren Rupp “Chemical Resistance Chart”
SANDPIPER
®
pumps are designed to be powered only by compressed air.
INTAKE/DISCHARGE PIPE SIZE
2" ANSI Flange or
PN10 50mm DIN Flange
CAPACITY
0 to 150 US gallons per minute
(0 to 568 liters per minute)
AIR VALVE
No-lube, no-stall
design
SOLIDS-HANDLING
Up to .66 in. (17mm)
HEADS UP TO
100 psi or 231 ft. of water
(7 bar or 70 meters)
DISPLACEMENT/STROKE
.36 US gallon / 1.36 liter
CAUTION!
Operating temperature limitations are as follows:
Air Inlet Side View
Air Exhaust Side View
UHMW PE
180°F
82°C
-35°F
-37°C