DATA SHEET Specifications & Performance Certified Quality Model ST1 & ST25 Containment Duty Design Level 5 Quality System ISO 9001 Certified Environmental Management System ISO 14001 Certified A Unit of IDEX Corporation 800 N. Main St., Mansfield, Ohio 44902 USA Telephone (419) 524.8388 Fax (419) 522.7867 WWW.SANDPIPERPUMP.COM © Copyright 2014 Warren Rupp, Inc. All rights reserved

Explanation of Pump Nomenclature Your Model #: (fill in from pump nameplate) Pump Series Pump Design Pump Size Manifold and Options Porting Diaphragm/ Valve Design Level Model #: XX X XXXXXX, XXX XX X XX Pump Series Spill Containment Pump Size & Options 1 1" NPT 25 1" BSP Tapered Diaphragm Check Valve Materials NG VG GNG Neoprene Driver Diaphragms, PTFE Pumping Diaphragms FKM Driver Diaphragms / PTFE Pumping Diaphragms Neoprene Backup Diaphragms with PTFE Overlay Pumping Diaphragms / PTFE Pumping Diaphragms A Aluminum Wetted, Aluminum Air SS Stainless Steel Wetted, Aluminum Air HC Alloy-C Wetted,...

CAPACITY • 0 to 42 gallons per minute (0 to 159 liters per minute) AIR DISTRIBUTION VALVE • No-lube, no-stall design SOLIDS-HANDLING • Occational solids only, to nearly .25” (6.3mm) HEADS UP TO • 125 psi or 289 ft. of water (8.8 Kg/cm2 or 88 meters) MAXIMUM OPERATING PRESSURE • 125 psi (8.6 bar) DISPLACEMENT/STROKE • .09 Gallon / .34 liter SHIPPING WEIGHT • Aluminum 46 lbs. (20kg) • Stainless Steel 67 lbs. (30kg) MODEL ST1/ST25 Performance Curve SUCTION/DISCHARGE PORT SIZE • ST1: 1” NPT (internal) • ST25: 1” BSP Tapered (internal) Performance based on the following: elastomer fitted pump, flooded...

Dimensional Drawings ST1 & ST25 Containment Duty Dimensions are ±1/8". Figures in parentheses = millimeters. DISCHARGE PORT 1" NPT (ST1) 1" BSPT (ST25) NOTE: UNIT FURNISHED WITH SUB-BASE PLATE AND RUBBER FEET AS STANDARD FOR STATIONARY BOLT DOWN USE, RUBBER FEET CAN BE REMOVED

Written Warranty 5 - YEAR Limited Product Warranty Quality System ISO9001 Certified • Environmental Management Systems ISO14001 Certified Warren Rupp, Inc. (“Warren Rupp”) warrants to the original end-use purchaser that no product sold by Warren Rupp that bears a Warren Rupp brand shall fail under normal use and service due to a defect in material or workmanship within five years from the date of shipment from Warren Rupp’s factory. Warren Rupp brands include SANDPIPER®, MARATHON®, PortaPump®, SludgeMaster™ and Tranquilizer®. ~ See complete warranty at www. sandpiperpump.com/About/guaranteesandwarranties.html...

EC Declaration of Conformity In accordance with ATEX Directive 94/9/EC, Equipment intended for use in potentially explosive environments. Manufacturer: Warren Rupp, Inc.®, A Unit of IDEX Corportion 800 North Main Street, P.O. Box 1568, Mansfield, OH 44902 USA EN 60079-25: 2011 For pumps equipped with Pulse Output ATEX Option Quality B.V. (0344) AODD Pumps and Surge Suppressors For Type Examination Designations AODD (Air-Operated Double Diaphragm) Pumps EC Type Examination Certificate No. Pumps: KEMA 09ATEX0071 X DEKRA Certification B.V. (0344) Meander 1051 6825 MJ Arnhem The Netherlands David...