SANDPIPER MHDF25 User Manual
SANDPIPER Pumps

mhdf1dl1sm-rev0711
©Copyright 2010 Warren Rupp, Inc. All rights reserved.
Table of Contents
Engineering Data, Temperature Limitations & Performance Curve ....................... 1
Explanation of Pump Nomenclature ...................................................................... 2
Dimensions ............................................................................................................ 3
Principle of Operation ............................................................................................ 4
Installation and Start-Up ........................................................................................ 4
Air Supply .............................................................................................................. 4
Installation Guide ................................................................................................... 5
Air Inlet & Priming .................................................................................................. 6
Air Exhaust ............................................................................................................ 6
Between Uses ....................................................................................................... 6
Flap Valve Servicing .............................................................................................. 6
Diaphragm Servicing ............................................................................................. 6
Air Valve Lubrication .............................................................................................. 7
Recommended Accessories .................................................................................. 7
ESADS+Plus
®
: Externally Serviceable Air Distribution System ................................ 7
Pilot Valve .............................................................................................................. 8
Pilot Valve Actuator ................................................................................................ 8
Service Instructions: Troubleshooting ................................................................... 8
Warranty ................................................................................................................ 8
Important Safety Information ................................................................................. 9
Recycling ............................................................................................................... 9
Grounding The Pump .......................................................................................... 10
Material Codes .................................................................................................... 11
Composite Repair Parts List ...........................................................................12-13
Composite Repair Drawing.................................................................................. 14
CE Declaration of Conformity - Machinery .......................................................... 15
CE Declaration fo Conformity - ATEX .................................................................. 16
Explanation of ATEX Certification ........................................................................ 17
Warren Rupp, Inc. • A Unit of IDEX Corporation • 800 N. Main St., Mansfield, Ohio 44902 USA
Telephone (419) 524-8388 • Fax (419) 522-7867 • www.warrenrupp.com
Model MHDF1 Type 1
Model MHDF25 Type 1
II 2GD T5
See pages 2, 16 & 17
for ATEX ratings
SERVICE & OPERATING MANUAL
Original Instructions