Sandpiper MHDF2 User Manual

Model MHDF2 Type 6Engineering Data and Performance Curve... 1Explanation of

mhdf2dl6sm-rev1210 Model MHDF2 Page 8 rings on the sleeve with an o-ring assembly lubricant or lightweight oil (such as 10 wt. air

mhdf2dl6sm-rev1210 Model MHDF2 Page 9  

mhdf2dl6sm-rev1210 Model MHDF2 Page 10 To reduce the ri

mhdf2dl6sm-rev1210 Model MHDF2 Page 11 This pump is pressurized internally with air pressure during operation. Always make certain that all bol

mhdf2dl6sm-rev1210 Model MHDF2 Page 12      

mhdf2dl6sm-rev1210 Model MHDF2 Page 13    1 031.012.000 SLEEVE & SPOOL SET 12 070.006.170 BEARING

mhdf2dl6sm-rev1210 Model MHDF2 Page 14 25 312.013.010 ELBOW, DISCHARGE 2 312.013.110 ELBOW, DISCHARGE 2 312.013.156 ELBOW, DISCHARGE

mhdf2dl6sm-rev1210 Model MHDF2 Page 15 87442241324726374333254850142450184953334337264730233839615112793511734-F4-C4-B4-E4-D294-A283151133442102 463

Signature of authorized personRevision Level: EPrinted name of authorized personDavid RoseberryDate of issueOctober 20, 2005TitleEngineering ManagerDa

In accordance with ATEX Directive 94/9/EC, Equipment intended for use in potentially explosive environments.EN 60079-25: 2004For pumps equipped with P

EC Declaration of ConformityATEX Summary of MarkingsType Marking Listed InNon-Conductive FluidsEC Type Certificate No. Pumps: KEMA 09ATEX0071 X T

mhdf2dl6sm-rev1210 Model MHDF2 Page 1 Heavy Duty Flap Valve MHDF2 Type 6Air-Operated Double Diaphragm PumpENGINEERING, PERFORMANCE& CONSTRUCTION

mhdf2dl6sm-rev1210 Model MHDF2 Page 2 A = Compressed Fibre DC = Die Cast PS = Plated Steel SS/I = Stainless Steel seat

mhdf2dl6sm-rev1210 Model MHDF2 Page 3 Materials and Dimensions: MHDF2For specic applications, always consult “Chemi

mhdf2dl6sm-rev1210 Model MHDF2 Page 4  This ap swing valve pump is powered by compressed air and is a 1:1

mhdf2dl6sm-rev1210 Model MHDF2 Page 5 INSTALLATION GUIDEBottom Discharge Flap Valve UnitThe air exhaust should be piped to an area for safe disposit

mhdf2dl6sm-rev1210 Model MHDF2 Page 6  The MARATHON pump’s pilot valve and main air valve assemblies are designed

mhdf2dl6sm-rev1210 Model MHDF2 Page 7  The MARATHON pump’s pilot valve and main air valve assemblies are designed