MP Filtri DEH Series Operator'S Manual Download Page 1

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Operators Guide DEH Series

Differential Clogging Indicator

Hazardous Area

Operators Guide

Summary of Contents for DEH Series

Page 1: ...Operators Guide DEH Series Differential Clogging Indicator Hazardous Area Operators Guide ...

Page 2: ...Operators Guide ...

Page 3: ...work environments the indicators provide critical early warnings for operators alerting them that filter elements need to be cleaned or changed Suitable for a wide variety of applications from oil sea and gas to industrial production plants the indicators have been designed to prevent machinery failures reduce unplanned downtime and improve safety New DEH series of ATEX clogging indicators Feature...

Page 4: ...2 Operators Guide ...

Page 5: ...less steel pressure filters and cast iron pressure filters Benefits Prevents machinery failures Cuts unplanned downtime Critical early warning system Saves time and costs Improves safety Disclaimer As part of our policy of continual improvement MP Filtri reserves the right to alter the specification without prior notification Area of Application Hazardous Area Indicators can only be used in the ap...

Page 6: ...4 Operators Guide ...

Page 7: ...age 16 Product Manufacturer MP Filtri UK Bourton Industrial Estate Bourton on the Water Cheltenham Gloucestershire GL54 2HQ 01451 822522 sales mpfiltri co uk The products described are in conformity with the following directives 2014 34 EU Certification Testing that has been carried out is in accordance with BS EN 10272 EN IEC 60079 0 2012 A 11 2013 EN IEC 60079 11 2012 EN IEC 60079 31 2014 IEC 60...

Page 8: ...nation Ordering code 16 3 4 Wiring Instructions 17 3 5 Temperature Range 17 4 Product Installation and Maintenance 18 4 1 Special Conditions of Safe Use 18 4 2 Installation Instructions 18 4 3 Wiring Instructions 19 4 4 Suitable Operating Fluids 20 4 5 Commissioning 20 4 6 Specific Conditions for Safe Use 20 4 7 System Requirements 21 5 Technical Specification 21 5 1 Spare Parts 21 6 Certification...

Page 9: ...g 24 7 1 General Information 24 7 2 Torque Values 24 7 3 Service Measures 24 7 4 Service Intervals 24 7 5 Seal Replacement 24 7 6 Removing the Clogging Indicators 58 7 7 Installing the Clogging Indicators 58 Page 7 Operators Guide ...

Page 10: ...anual Any individual operating the unit shall wear the following Personal Protective Equipment Protective eyewear Safety shoes Gloves Overalls or other suitable protective clothing Before carrying out any machine installation procedures and or before use one should scrupulously follow the in structions listed in this manual Moreover it is necessary to comply with the current regulations related to...

Page 11: ...g of the machine The electrician is aware of the possible danger situations that may arise and takes the appropriate precautions in order to eliminate the risks of accidents in the workplace This is any individual whose task is to handle the machine or parts of it Personnel involved in slinging and hoisting operations are aware of the issues regarding the safe transfer of machinery or parts of it ...

Page 12: ...d flames spark generation and smoking are strictly forbidden Hydraulic oils and water polluting fluids must not be allowed to enter the soil watercourses or sewerage systems Operators must ensure safe and environmentally friendly disposal of hydraulic oils The relevant regulations in the country concerned with regard to ground water pollution used oil and waste must be followed When work is carrie...

Page 13: ...GENERAL WARNINGS 11 Operators Guide ...

Page 14: ... with MP Filtri product return policy Any product returned for warranty repair must be accompanied by a full fault report specifying the symptoms and the conditions under which the fault occurs Should MP Filtri incur additional cost as a result of a failure to complete the appropriate paperwork an administrative charge may be levied Exclusions This warranty shall not apply to any defect failure or...

Page 15: ...f inadequate packaging will nullify MP Filtri obligations under this warranty Should the customer s product be damaged in transit following a repair at MP Filtri site a full photographic record of the damage must be obtained packaging and the product to support any claim for recompense Failure to present this evidence may limit MP Filtri obligations under this warranty THIS WARRANTY IS GIVEN BY MP...

Page 16: ...tically sealed volt free contacts Contact material Rhodium tungsten optional Dimensions 114 x 28mm Ingress Protection IP 66 67 68 3 Technical Specification 3 1 General specification Type of indicator Electrical Switch Weight 5m Cable model 750g approx M12 Short model 270g approx Seal material Various Temperature range See Section 3 5 20 C to 100 C T4 Pressure setting 5 bar and 7 bar ELECTRICAL RAT...

Page 17: ...ensions 114 x 28mm Ingress Protection IP 66 67 68 DEH SERIES M12 INDICATOR Ex ia RESIN SWITCH PROPERTIES Housing material 316 Stainless steel with internal engineered resin switch Body shape Cylindrical Connection type 4 pole male M12 connector plastic Temperature range 20 C to 80 C Contact type SPCO SPDT Hermetically sealed volt free contacts Contact material Rhodium Dimensions 90 x 28mm Ingress ...

Page 18: ...ar M12 Ex ia FPM Viton Configuration example DE A 50 H F P01 70 Pressure Rating H 420 bar 6 091 PSI DEH SERIES 5 METER CABLE INDICATOR Ex ia M20 DEH SERIES 5 METER CABLE INDICATOR Ex d 1 2 NPT DEH SERIES 5 METER CABLE M12 INDICATOR Ex ia RESIN SWITCH M20 x 1 5 A F 25 mm Max tightening torque 50 N m 28 114 87 5 1 2 NPT A F 25 mm Max tightening torque 50 N m 28 114 87 5 A F 25 mm Max tightening torq...

Page 19: ...C for UL If MFQ seals are used on the indicator the lower temperature threshold can be dropped to 40ºC Surface temperature and or general heat rise will mainly be generated by the fluid temperature or ambient temperature as the indicator itself produces minimal heat Due to this the fluid temperature must not be allowed to exceed these temperature ranges T6 70 C for Exd 80 C for Exia T4 120 C for E...

Page 20: ...ents therefore it is crucial that the connections pipes hoses are earthed separately and connected to the filter housing using electrostatic dissipative components only 4 Before removing the indicator to prevent a potentially hazardous situation the depressurised system and filter must not be subject to potentially volatile atmospheres in the form of gases vapors or mist present 5 Ensure that the ...

Page 21: ...ETER CABLE INDICATOR EX ia M20 DEH SERIES 5 METER CABLE INDICATOR EX d 1 2 NPT DEH SERIES 5 METER CABLE M12 INDICATOR EX ia RESIN SWITCH PRODUCT INSTALLATION 3 1 4 2 Brown Blue Black Red Green White Black Black White Red 19 Operators Guide ...

Page 22: ... once a system engineer has ensured that when the system is operating the permissible surface temperature according to Directive 94 9 EC will not be exceeded It is also necessary to cross reference the hazardous area coding and check it is suitable for the area it is about to be used in Switch on hydraulic system and vent filter at an appropriate point in the system Check the indicator for leakage...

Page 23: ...ollowing applies Ci 120pF M an Li 0 7μH M Safe area apparatus is unspecified except that it must not be supplied from nor contain under normal or abnormal conditions a source of potential with respect to earth in excess of 250 volts rms or 250 volts dc 5 Related Products 5 1 Spare Parts Upper seal Lower seal Part Serial Number 01030046 01068511 01026270 01030062 FPM Upper seal FPM Lower seal MFQ U...

Page 24: ...2 Temp Range T6 Tamb 60 C to 80 C and T4 Tamb 60 C to 125 C Rating II 1 GD Ex ia IIC T6 T4 Ga Ex d IIC T6 Gb Ex d IIC T4 Gb Extb IIIC T85ºC Db Extb IIIC T135ºC Da Certificate Number IECEx BAS17 0064X Manufacturing Standards IEC 60079 0 2011 IEC 60079 1 2014 IEC 60079 31 2013 Temp Range T6 Tamb 60ºC to 70ºC T4 Tamb 60ºC to 120ºC Rating Ex d IIC T6 Gb Ex d IIC T4 Gb Extb IIIC T85ºC Db Extb IIIC T135...

Page 25: ...sure External earth bonding of the stainless steel filter maybe achieved via the filter mounting thread For UL CSA Only 7A Supplementary fuse to be installed on supply lines Supply wires must have a minimum temperature rating of 75 C Single Seal 6 5 Fatigue Declaration Identification Statement Method of fatigue pressure testing conforms to ISO 10771 1 Hydraulic fluid power Fatigue pressure testing...

Page 26: ... in the recurrent testing of the electrical system in accordance with EN 60079 17 7 5 Seal Replacement If slight or severe leakage is detected from the indicator port then the elastic seals may need replacing The system must be isolated and prepared for maintenance in accordance with Section 4 of this manual Once the hydraulic system is deemed safe and the appropriate permissions have been granted...

Page 27: ...ator 7 7 Installing the Clogging Indicator Lubricate the seal rings and thread on the indicator body and the port in the filter head with clean operating fluid Apply thread sealant to the top two threads of the fluid connection Avoid applying glue to the seals Screw in the indicator using a spanner and tighten to the correct torque Switch on the hydraulic system and power supply to the clogging in...

Page 28: ...reserves the right to make changes to the models and versions of the products described at any time both for technical and commercial reasons The colours and photographs of the products are purely indicative Any reproduction partial or total of this document is strictly prohibited Rights reserved 26 Operators Guide ...

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Page 30: ...Germany GmbH St Ingbert Germany 49 0 6894 95652 0 sales mpfiltri de MP Filtri India Pvt Ltd Bangalore India 91 80 4147 7444 91 80 4146 1444 sales mpfiltri co in MP Filtri Shanghai Co Ltd Shanghai Minhang District China 86 21 58919916 116 sales mpfiltrishanghai com MP Filtri U K Ltd Bourton on the Water Gloucestershire United Kingdom 44 0 1451 822 522 sales mpfiltri co uk MP Filtri U S A Inc Quaker...

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