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Pilot Valve Assembly

PILOT VALVE ASSEMBLY PARTS LIST

Item

Part Number

Description

Qty

095.074.001

Pilot Valve Assembly

095.071.557

Pilot Valve Body

755.025.162

Pilot Valve sleeve

560.033.360

O-Ring

775.014.115

Pilot Valve Spool

560.023.360

O-Ring

675.037.080

Retaining Ring

Pilot Valve Servicing

With Pilot Valve removed from pump.

Step 1:

Remove snap ring (4F).

Step 2:

Remove sleeve (4B), inspect O-Rings (4C),

replace if required.

Step 3:

Remove spool (4D) from sleeve (4B),

inspect O-Rings (4E), replace if required.

Step 4:

Lightly lubricate O-Rings (4C) and (4E).

Reassemble in reverse order.

LEGEND:

= Items contained within Air End Kits

st1dl5sm-rev0717

www

sandpiperpump

com

Model ST1/ST25 •

MODEL SPECIFIC

4: AIR

END

Содержание ST1

Страница 1: ...nit of IDEX Corporation 800 N Main St Mansfield Ohio 44902 USA Telephone 419 524 8388 Fax 419 522 7867 WWW SANDPIPERPUMP COM 2017 Warren Rupp Inc Certified Quality ISO 9001 Certified ISO 14001 Certified SERVICE OPERATING MANUAL Original Instructions 1 PUMP SPECS 2 INSTAL OP 3 EXP VIEW 4 AIR END 5 WARRANTY ...

Страница 2: ...ed for materials that tend to settle out or solidify the pump should be flushed after each use to prevent damage In freezing temperatures the pump should be completely drained between uses Before pump operation inspect all fasteners for loosening caused by gasket creep Retighten loose fasteners to prevent leakage Follow recommended torques stated in this manual CAUTION WARNING Nonmetallic pumps an...

Страница 3: ...lation Guide Filling the Driver Chambers with Fluid Troubleshooting Guide SECTION 3 EXPLODED VIEW 7 Composite Repair Parts Drawing Composite Repair Parts List Material Codes SECTION 4 AIR END 11 Air Distribution Valve Assembly Pilot Valve Assembly SECTION 7 WARRANTY CERTIFICATES 13 Warranty CE Declaration of Conformity Directive 2006 42 EC Machinery ATEX Declaration of Conformity Directive 94 9 EC...

Страница 4: ...ing Diaphragms and PTFE Check Balls Design Level 5 Construction A Aluminum Wetted Aluminum Air SS Stainless Steel Wetted Aluminum Air HC Alloy C Wetted Aluminum Air Pump Series S SANDPIPER Pump Design T Spill Containment Pump Size Options 1 1 NPT 25 1 BSP Tapered Options VL Visual Leak Detection Sight Tubes Manifold Porting Position S Side __ __ _____ __ ___ __ __ Pump Pump Pump Size Manifold Diap...

Страница 5: ...d MEK ozone chlorinated hydrocarbons and nitro hydrocarbons 190 F 88 C 10 F 23 C Nylon 6 6 High strength and toughness over a wide temperature range Moderate to good resistance to fuels oils and chemicals 180 F 82 C 32 F 0 C Polypropylene A thermoplastic polymer Moderate tensile and flex strength Resists stong acids and alkali Attacked by chlorine fuming nitric acid and other strong oxidizing agen...

Страница 6: ... 26 362 4 61 117 12 52 318 7 12 181 4 10 104 5 54 141 14 60 371 8 82 224 9 00 229 10 19 259 72 18 6 89 175 DISCHARGE PORT 1 NPT ST1 1 BSPT ST25 SUCTION PORT 1 NPT ST1 1 BSPT ST25 9 00 229 8 56 217 4X 28 7 MOUNTING HOLE NOTE UNIT FURNISHED WITH SUB BASE PLATE AND RUBBER FEET AS STANDARD FOR STATIONARY BOLT DOWN USE RUBBER FEET CAN BE REMOVED Dimensional Drawings 1 PUMP SPECS ...

Страница 7: ... check valve and into the outer fluid chamber zz Suction side stroking also initiates the reciprocating shifting stroking or cycling action of the pump The suction diaphragm s movement is mechanically pulled through its stroke The diaphragm s inner plate makes contact with an actuator plunger aligned to shift the pilot signaling valve Once actuated the pilot valve sends a pressure signal to the op...

Страница 8: ... 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 Air Inlet And Priming To start the pump slightly open the air shut off valve After the pump primes the air valve can be opened to increase air flow as desired If opening the valve increases cycling rate but does not increase the rate of flow cavitation has occurred The ...

Страница 9: ...h Visual Leak Detection sight tubes fill with 752ml 25 4 fl oz It is imperative that the driver liquid chambers be filled with the correct amount of driver liquid as too little or too much will cause premature diaphragm failure and erratic pumping Step 5 After filling with the proper amount of liquid if the liquid does not come to the top of the fill hole pressure should be applied to the PTFE dia...

Страница 10: ...oint of use air drier Clogged manifolds Clean manifolds to allow proper air flow Deadhead system pressure meets or exceeds air supply pressure Increase the inlet air pressure to the pump Pump is designed for 1 1 pressure ratio at zero flow Does not apply to high pressure 2 1 units Cavitation on suction side Check suction move pump closer to product Lack of air line size PSI CFM Check the air line ...

Страница 11: ... and Retaining Rings 476 310 365 WET END KIT Neoprene Driver Diaphragms PTFE Pumping Diaphragms PTFE Check Balls PTFE Gaskets Copper Washers and Neoprene Diaphragm Gaskets 476 310 637 WET END KIT FKM Driver Diaphragms PTFE Pumping Diaphragms PTFE Check Balls PTFE Gaskets Copper Washers and FKM Diaphragm Gaskets 476 310 640 WET END KIT Neoprene Driver Diaphragms PTFE Overlay Diaphragms PTFE Pumping...

Страница 12: ...ING 2 334 013 112 FLANGE PORTING 2 334 013 157 FLANGE PORTING 2 334 013 110 E FLANGE PORTING BSP TAPERED 2 334 013 112 E FLANGE PORTING BSP TAPERED 2 334 013 157 E FLANGE PORTING BSP TAPERED 2 27 350 002 360 FOOT RUBBER 4 28 360 030 600 GASKET MANIFOLD 2 29 360 039 363 GASKET DIAPHRAGM 2 360 039 365 GASKET DIAPHRAGM 2 30 360 056 379 GASKET 1 31 360 057 360 GASKET 1 32 360 058 360 GASKET 1 33 360 1...

Страница 13: ... Rubber Color coded GREEN 366 Food Grade Nitrile 368 Food Grade EPDM 371 Philthane Tuftane 374 Carboxylated Nitrile 375 Fluorinated Nitrile 378 High Density Polypropylene 379 Conductive Nitrile 408 Cork and Neoprene 425 Compressed Fibre 426 Blue Gard 440 Vegetable Fibre 500 Delrin 500 502 Conductive Acetal ESD 800 503 Conductive Acetal Glass Filled 506 Delrin 150 520 Injection Molded PVDF Natural ...

Страница 14: ...Bumper 2 1 E 165 078 147 End Cap 2 1 F 560 029 360 O ring 2 1 G 675 043 115 Retaining Ring 2 1 H 210 008 330 Safety Clip 1 Air Distribution Valve Servicing See repair parts drawing above Step 1 Remove end cap retainer 1G Step 2 Remove end cap 1E bumper 1D and o rings 1C and 1F Step 3 Remove spool part of 1A caution do not scratch Step 4 Press sleeve 1A from body 1B Step 5 Inspect O Ring 1C and rep...

Страница 15: ...60 O Ring 4 4F 675 037 080 Retaining Ring 1 Pilot Valve Servicing With Pilot Valve removed from pump Step 1 Remove snap ring 4F Step 2 Remove sleeve 4B inspect O Rings 4C replace if required Step 3 Remove spool 4D from sleeve 4B inspect O Rings 4E replace if required Step 4 Lightly lubricate O Rings 4C and 4E Reassemble in reverse order 4F 4A 4D 4B 4C 4E LEGEND Items contained within Air End Kits ...

Страница 16: ...8 A1 2009 Pumps and Pump Units for Liquids Common Safety Requirements to verify conformance 5 YEAR Limited Product Warranty 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...

Страница 17: ...edge apply to the listed equipment AODD Pumps and Surge Suppressors Technical File No 203104000 1410 MER 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 Applicable Standard EN13463 1 2001 EN13463 5 2003 EN60079 25 2004 Harmonised Standard EN13463 1 2009 EN13463 5 2011 EN6007...

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