Druck PV 411 Pneumatic/Hydraulic Hand
Contents
1. Druck PV 411 Pneumatic Hydraulic Hand pump User Manual Druck Limited 2000 This document is the property of Druck Limited and may not be copied or otherwise repro duced communicated in any way to third parties nor stored in any Data Processing System without the express written authorisation of Druck Limited K258 Issue No 1 Druck PV 411 User Manual Introduction This technical manual provides operating instructions for the PV 411 Pneumatic hydraulic hand pump compatible with the requirements of line operation Safety The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this manual The user must not use this equipment for any other purpose than that stated Only use hydraulic fluids stated in the specification This manual contains safety and operating instructions which must be followed to make sure of safe operation and to keep the equipment in a safe condition The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage Use suitably qualified personnel and good engineering practice for all procedures in this manual Pressure Do not apply pressure greater than the safe working pressure stated in the specification Technical advice For technical advice contact the manufacturer or subsidiary This product meets the essential requirements of the relevant CE EEC directives Page i K258 Issue No2. 1 Druck PV 411 User Manual ABBREVIATIONS The following abbreviations are used in this publication Note Abbreviations are the same in the singular and plural eC degrees Celsius BSP British standard pipe thread cm centimetre F degrees Fahrenheit inHg inches of mercury Ibs pounds ISO International Standards Organisation kg kilogram m metre mbar millibar mm millimetre mmH O millimetres of water NPT National pipe thread PRV pressure relief valve psi pounds per square inch PTFE polytetraflouroethylene SAE Society of Automotive Engineers UUT Unit under test Symbols The following symbols mark this equipment co Read the manual before use Refer to the manual K258 Issue No 1 Page ii Druck PV 411 User Manual CONTENTS Title page liners Denon Re B 1 Pneumatic PUM D on tdt bota ne Bus bei en EE M Me EE 1 Hydraulic PUMP SR de Se 1 D DC CITC GION sane ER RR Rc 3 Operation sera nc 4 Pressure vacuum configuration Assiette 4 COME UMN UNS oro I 5 Sel tor valve era ne tee nette item 5 Scissor action handles limit adjuster ssesssssee 6 Pneumatic Operation sus caeco DEDE HM OR ttnn sont ou Rud P ra dum D CN E AIES 7 ize egi PS Te ee isa cat o T 7 Generating pneumatic pressure and vacuum sssseeeess 8 RESI DI S DRE ER EE 8 D EAE 8 Hydraulic Operation EO taie same te rte 10 Fluid reservoir NE E a o DI 10 a eM 9 M EQ 12 EWIN
3. 12 Druck PV 411 User Manual Priming the system There are two methods vacuum priming to extract the air or pre filling the system Notes 1 If air remains in the system full pressure cannot be achieved as the air in the fluid compresses Air must be removed from the system fluid 2 Both priming methods require the pump to be held in the vertical position to keep the reservoir bleed hole in fluid Do not allow air to enter the system through this bleed hole Vacuum priming Figure 2 Connect the equipment as detailed on page 5 Air can be removed using the vacuum facility on the pump Note This method should not be used with vacuum sensitive equipment Turn selector valve fully out anti clockwise vacuum position Pump until bubbles stop appearing in the reservoir this generates a vacuum in the system Turn the selector valve fully in this action releases the vacuum and rapidly fills the system with fluid from the reservoir The pump and connected system is ready for use Page 13 K258 Issue No 1 Druck PV 411 User Manual Pre filling Connect the equipment as detailed on page 5 Turn the selector valve fully clockwise in position Loosen the reservoir cover lock nut to open the reservoir cover and let atmospheric pressure into the top of the reservoir Open the bleed valve on the UUT Carefully operate the scissor action handles to fill the system Stop pumping when fluid comes out of the bleed valve
4. Close the bleed valve on the UUT If necessary top up the reservoir to the 2 3 level with clean fluid Secure the reservoir cover by tightening the reservoir cover lock nut The pump and connected system is ready for use Setting Pressure Relief Valve Figure 1 The pressure relief valve PRV can be set at pressures from 30 to 700 bar If the system pressure exceeds the set pressure the PRV opens and vents fluid through the inlet port to the reservoir When the pressure decreases the PRV closes To set the PRV loosen the PRV locking screw Collar and turn the PRV to release at the required pressure J Hold the PRV and turn the collar fully anti clockwise Tighten the PRV locking screw PRV locking screw K258 Issue No 1 Page 14 Druck PV 411 User Manual Generating Hydraulic Pressure Note Pressurizing a fluid generates heat A fluid heated or cooled in an enclosed volume causes a pressure change Allow enough time thermally stabilize Open the selector valve anti clockwise 1 turn Screw the volume adjuster fully out anti clockwise Close the selector valve Use the scissor action handles to generate the initial pressure Then turn the volume adjuster clockwise to generate the required pressure allow time for thermal stabilization To reduce the pressure turn the volume adjuster out anti clockwise to the required pressure After completion turn the volume adjuster fully out anti clockwise and turn t
5. attaining the required pressure operate the scissor action handles to generate a higher pressure Alternatively vent the pressure to atmosphere by slowly turning anti clockwise the selector valve to the centre position Vacuum 1 Turn the selector valve fully anti clockwise out position 2 Operate the scissor action handles to generate the approximate vacuum allow time for thermal stabilization 3 If necessary use the volume adjuster to adjust the required vacuum K258 Issue No 1 Page 8 Druck PV 411 User Manual 4 After attaining the required vacuum operate the scissor action handles to generate a higher vacuum Alternatively vent atmosphere into the vacuum by slowly turning anti clockwise the selector valve to the centre position After completion depressurize the pump and disconnect from the pipes and equipment Page 9 K258 Issue No 1 Druck PV 411 User Manual Hydraulic Operation CauTIONS a Do NOT MIX HYDRAULIC FLUIDS ONLY USE COMPATIBLE FLUIDS REFER TO THE SPECIFICATION n n ONLY FIT APPROPRIATE SEALS ON CONNECTIONS n OBSERVE ABSOLUTE CLEANLINESS WHEN USING THIS PUMP DAMAGE CAN BE CAUSED IF EQUIPMENT CONNECTED TO THIS PUMP IS CONTAMINATED AVOID PARTICULATE CONTAMINATION Note Wherever possible use o ring seals in the connection ports this Is the recommended method of sealing Fluid Reservoir Figure 2 The main body of the reservoir is transparent acrylic providing a clear view
6. either by phone or fax to obtain a Returned Goods Authorization RGA number providing the following information Product i e PV 411 Pressure medium i e pneumatic hydraulic Serial number Details of defect work to be undertaken Operating conditions Safety Precautions You must also tell us if the product has been in contact with anything hazardous or toxic and the relevant COSH references and precautions to be taken when handling Important notice Service by unauthorized sources will affect the warranty and may not guarantee further performance Page 19 K258 Issue No 1 Druck PRESSURE MEASUREMENT PV 411 PNEUMATIC HYDRAULIC HAND PUMP USER MANUAL K258 Prepared by Bob Lee Druck Publications Department Issue Date 11th September 2000 Development Dept Product Management Approved for technical accuracy Commercial approval Signature X gt Signature i Name Date dE ET CCOD Date Druck Limited 2000 This document is the property of Druck Limited and may not be copied or otherwise reproduced communicated in any way to third parties nor stored in any Data Processing System without the express written authority of Druck Limited Druck Limited Fir Tree Lane Groby Leicester LE6 OFH England Tel 0116 231 7100 Fax 0116 231 7103 K258 Issue No 1
7. G ERR a 12 Priming the ir ETC 13 NAC UNA PUIG idence drame demon 13 A ecb tegeaecmeteh Seance E 14 Setting pressure relief valve ssssssssss ee 14 Generating hydraulic DFeSSUFG uico ise ceti aee pianiste 15 AS OR TmUm 16 ESA Re en ir nl 16 Fault QE EE OE 1 EI en nat te once ei 17 Approved service etjellls uiusccesecpi tntudete tec orb tenens Cost etate nement 18 Annex A Returned Goods Procedure Liceat teet apa da d en edes Poe ird 19 ILLUSTRATIONS Figure title page 1 General VIEW egpaar ananin aE aaea EEan NEER 2 2 Fitting Tie TE S MOIR RERO AE e EA 11 Page iii K258 Issue No 1 Druck PV 411 User Manual Introduction The PV 411 hand pump generates either pneumatic pressure and vacuum or hydraulic pressure The scissor action handles provide pneumatic pressure and vacuum generation and in the hydraulic mode provides hydraulic pressure generation for system priming Pneumatic pump Figure 1 A selector valve vents the system to atmosphere between selections of pressure and vacuum Operating the scissor action handles provides the pumping stroke for pressure generation A volume adjuster allows small adjustments of the system pressure Hydraulic pump Figure 1 The selector valve vents the system to the reservoir between selections of pressure and vacuum used in the priming process The volume adjuster generates the required system pressure A fluid reservoir screwed into the inlet port on th
8. and repeat If for any reason a fault occurs within the pump it is recommended that the equipment be returned to an appointed agent Page 17 K258 Issue No 1 Druck PV 411 User Manual Approved Service Agents The following are approved agents for the servicing of Druck products France Druck SA 19 Rue Maurice Pellerin 92600 Asni res France Tel 1 43 34 24 75 Fax 1 43 34 86 08 Germany Druck Messtechnik GmbH Auf dem Hohenstein 7 61231 Bad Nauheim Germany Tel 6032 93300 Fax 6032 933080 Holland Druck Nederland b v Postbus 232 Zuideinde 37 2991 Lj Barendrecht The Nederlands Tel 01806 11555 Fax 01806 18131 Italy Druck Italia Srl Via Capecelatro 11 20148 Milano Italy Tel 02 48707166 Fax 02 48705568 Japan Druck Japan KK Medie Corp Building 8 2 4 14 Kichijyoji Honcho Musashino Tokyo 180 Japan Tel 81 422 20 7123 Fax 81 422 20 7155 UK Druck Limited Fir tree Lane Groby Leicester LE6 OFH England Tel 0116 231 7100 Fax 0116 231 7103 USA Druck Incorporated 4 Dunham Drive New Fairfield Connecticut 06812 U S A Tel 203 746 0400 Fax 203 746 2494 K258 Issue No 1 Page 18 Druck PV 411 User Manual Annex A Returned goods procedure Should the unit become unserviceable and require repair it can be returned to the Druck Service Department Please contact our Service Department
9. e top of the hand pump completes the hydraulic circuit A pressure relief valve can be set to limit maximum pressure between 30 to 700 bar Page 1 K258 Issue No 1 Druck PV 411 User Manual Pressure relief valve locking screw Pressure relief valve Inlet reservoir Outlet port port A il OX AN ANS MM A QAM rs Wu XX Y AA is x X A XX an ANS ON UE SKY oe w od NN eK XX XX XY A 9 Selector valve i AAA Outlet port Volume adjuster LRO RS Scissor action uec x E handles LR NS RN Xt _ Limit adjuster Figure 1 General view K258 Issue No 1 Page 2 Druck PV 411 User Manual Specification Pressure range RAC CAN ous come ELI EHI E meee CP LI aes O to 60 bar CAE opment theanesees 0 to 0 95 bar Hydraulic ssssssssssssssss eene O to 700 bar Maximum safe working pressure ssssssse 700 bar Hydraulic fluid T Demineralised water or mineral based oils Hydraulic fluids must be compatible with Stainless steel anodised aluminium nitrile rubber PTFE polypropylene delrin acrylic and nylon Pressure connections 1 4 BSP parallel female Weight TapprOXITTIB EG s en ee 1 1 kg Dimensions Length M 260 mm Width c 135 mm Bepi T M 95 mm This value assumes atmospheric pressure at 1 bar and will va
10. he selector valve to depressurize the pump Disconnect from the pipes and equipment Page 15 K258 Issue No 1 Druck PV 411 User Manual Multimedia Changing from fluid to gas Turn the volume adjuster fully clockwise in Use the vacuum selection operate the scissor action handles to draw fluid into the reservoir Depressurize the pump Unscrew and remove the reservoir Invert the pump and using the vacuum selection operate the scissor action handles to draw residual fluid out through the inlet port WARNING WHEN OUTLET PORTS ARE OPEN AND WITH THE SELECTOR VALVE SET TO PRESSURE OPERATING THE SCISSOR ACTION HANDLES RAPIDLY EXPELS FLUID Pneumatic venting after fluid use can generate a fluid mist spray out of the inlet port Flushing If necessary use soapy water to remove any oil residue K258 Issue No 1 Page 16 Druck PV 411 User Manual Fault Finding If system pressure reduces check the following 1 Check the selector valve is in the correct position and properly tightened 2 Allow sufficient time after pressure generation for the temperature to stabilize 3 Check the adaptors flexible pipe and connections between the pump and equipment under test for leaks Tighten any loose joints and replace any seals that are worn or damaged 4 In hydraulic mode if the volume adjuster can be wound fully in but maximum pressure cannot be achieved there is probably air trapped in the system Re prime
11. l it is fully inserted Swivel pump head The pump head swivels through 140 providing optimum viewing angle and bench top operation Placing the pump on the bench allows greater force to be applied to the scissor action handles Internal stops prevent further rotation of the pump head Note Do not use excessive force when rotating the pump head Selector Valve Pressure Turn the selector valve fully clockwise in position Vacuum Turn the selector valve fully anti clockwise out position Page 5 K258 Issue No 1 Druck PV 411 User Manual Vent Slowly turn the selector valve to the centre position CAUTION Avoin DAMAGING THE INSTRUMENT UNDER TEST BY USING THE VOLUME ADJUSTER TO RELEASE HYDRAULIC PRESSURE Scissor action Handles Limit Adjuster Turning the adjuster anti clockwise reduces the stroke turning the limit adjuster clockwise increases the stroke For maximum pneumatic pressure generation turn the limit adjuster fully clockwise K258 Issue No 1 Page 6 Druck PV 411 User Manual Pneumatic Operation Volume Adjuster The volume adjuster can be used in different modes Low pressure With the selector valve set to vent open turn the volume adjuster fully anti clockwise out Turn the selector valve to the fully clockwise in position to select pressure Turn the volume adjuster clockwise to generate pressure High pressure Turn the volume adjuster to the mid position In this position fi
12. ne adjustments of the generated pressure can be made Using the scissor action handles generate the approximate pressure then turn the volume adjuster clockwise in to increase the pressure or turn the volume adjuster anti clockwise out to decrease the pressure Vacuum Turn the selector valve fully anti clockwise out position Turn the volume adjuster to the mid position In this position fine adjustments of the generated vacuum can be made Using the scissor action handles generate the approximate vacuum then turn the volume adjuster clockwise in to decrease the vacuum or turn the volume adjuster anti clockwise out to increase the vacuum For low vacuum use the volume adjuster only Page 7 K258 Issue No 1 Druck PV 411 User Manual Generating pneumatic pressure and vacuum Connect the pump as detailed on page 5 Notes Compressing a gas generates heat Gas heated or cooled in an enclosed volume causes a pressure change It is important to allow enough time for the heated gas to cool and the pressure to stabilize The number of pumps required to generate a pressure depends on the volume of the system Therefore keep the system volume to a minimum Pressure 1 Turn the selector valve fully clockwise in position 2 Operate the scissor action handles to generate the approximate pressure allow time for thermal stabilization 3 If necessary use the volume adjuster to adjust the required pressure 4 After
13. of the contents The reservoir can be removed from the pump without the need to empty the fluid a self sealing connection prevents leakage The spring loaded top cover seals under atmospheric pressure conditions but vents excess internal pressure harmlessly in the event of inadvertent pressurization The reservoir connects to the inlet port on the top of the pump and supplies fluid to the pump system for pressure generation In vacuum mode used in priming the fluid flow is reversed fluid is drawn from the two outlet ports and through to the inlet port and the reservoir K258 Issue No 1 Page 10 Druck PV 411 User Manual XXX NN POC N Reservoir cover Reservoir tt lock nut p n d GONGI IIIS A Figure 2 Fitting the Reservoir Page 11 K258 Issue No 1 Druck PV 411 User Manual Fitting Make sure that the correct o ring seal is fitted to the inlet port to prevent leakage Screw the reservoir clockwise into the inlet port Note Demineralised water is used to test the pump at manufacture On shipment there will be traces of demineralised water in the system Filling Unscrew the reservoir cover lock nut and remove the reservoir cover Using clean recommended fluid fill the reservoir to approximately 2 3 full Refit the reservoir cover and re tighten the reservoir cover lock nut Connect the required pipes and equipment to the outlet ports K258 Issue No 1 Page
14. ry depending on atmospheric pressure Page 3 K258 Issue No 1 Druck PV 411 User Manual Operation WARNINGS 1 BEFORE APPLYING PRESSURE MAKE SURE ALL CONNECTIONS ARE CORRECT AND EQUIPMENT IS INTERNALLY CLEAN AND FREE FROM DAMAGE 2 M AKE SURE THAT ALL EQUIPMENT IS TO THE CORRECT PRESSURE RATING 3 Do NOT EXCEED THE MAXIMUM OPERATING PRESSURE STATED IN THE SPECIFICATION 4 OBSERVE THE RELEVANT HEALTH AND SAFETY PRECAUTIONS Note Wherever possible use o ring seals in the connection ports this is the recommended method of sealing Pressure vacuum Configuration Figure 1 In pressure mode air fluid is drawn in through the inlet port on the top of the pump and forced out through the two outlet ports In vacuum mode the air fluid flow is reversed as air fluid is drawn in through the top and rear outlet ports and expelled through the inlet port K258 Issue No 1 Page 4 Druck PV 411 User Manual Connecting the Pump Connections can be made to the pump either directly or using the range of adaptors supplied in the optional test kit Direct The ports can be fitted with any suitable length 1 4 BSP male connector sealing either with an o ring at the bottom of the port or a bonded seal at the top Fit a suitable blanking plug to an unused port Swivel Adaptors The single 1 4 BSP swivel adaptor connects with a range of fixed adaptors Using the knurled grip feature hand tighten clockwise the swivel adaptor unti
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