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ATEX Manual

Rotary pumps

in a Hazardous Environment (Acc. to 2014/34/EU)

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Summary of Contents for Jec JRZL Series

Page 1: ...ATEX Manual Rotary pumps in a Hazardous Environment Acc to 2014 34 EU ...

Page 2: ...claration of conformity Introduction Preliminary information Validity Safety notes Symbols ATEX certificates and pump markings Personnel Unauthorized modifications Installation and start up Location and surroundings Electrical connections Grounding Filling procedure Operation and maintenance Operation Maintenance and service Dismantling Re assembly 2 3 4 5 6 6 7 7 7 8 8 8 9 9 9 10 11 ...

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Page 7: ...ctions Our warranty does not apply to any device which has been subject to improper use and negligence Validity This document refers to JEC rotary pumps The serial number is indicated on the label Safety Notes The operating range should never be exceeded See specification for limits Provisional repair and improper spare parts are inconsistent with the ATEX regulations To maintain the explosion pro...

Page 8: ...ory is 2 and the temperature class T4 This determines an upper limit of 135 C for the delivered liquid The motor requires its own declaration of conformity issued by the corresponding manufacturer The temperatures resulting from the pump operation should not be in excess of the admissible values at the motor shaft and the motor flange otherwise the safety cannot be guaranteed In case of doubt cons...

Page 9: ...the pump tolerances are quite narrow a tube spoiled by bending may introduce friction to the system entailing the generation of inadmissible heat RPM max 500 min 1 10 Electrical Connections All electrical connections must be made according to local wiring regulations and electrical code These tasks are reserved to a qualified electrician Maximum power values issued by the motor manufacturer must b...

Page 10: ...lied For a vertically mounted pump this is always the case One more time Dry running is dangerous and could result in serious injury or death or damage to the equipment Operation and Maintenance Operation It is obvious that a safe operation in a hazardous location is only possible with a careful respect of the specification or there will be the risk of an uncontrollable temperature rise It is also...

Page 11: ...for wearing parts like mechanical seals O rings and bearings A regular visual inspection of static seals is mandatory Personnel should be sufficiently qualified and thoroughly familiar with the operation of the pump before starting any maintenance procedure The same holds for inspection and cleaning in the case of a possible dismantling and reassembling of the pump During this kind of work an expl...

Page 12: ...nces between rotating and static parts are crucial otherwise dangerous friction phenomena are possible The same holds for screw torques Loose parts cannot be tolerated Another important parameter by the reason mentioned above is the correct distance between rotating parts and covers ...

Page 13: ... reproduced copied duplicated or transmitted in any form or by any means electronic or mechanical photocopying recording for any purpose without any consent or expressed permission of JEC Ltd Copyright 2017 All Rights Reserved Ver JRZLAM 1910 JEC LTD 15 26 Beodeul ro Paltan myun Hwaseong si Gyeonggi do 18578 Rep of Korea Tel 82 31 355 0316 Fax 82 31 355 0319 E mail jec jecpump com Website www jecp...

Page 14: ...ATEX Manual JEC JRZS Series Twin Screw pumps in a Hazardous Environment Acc to 2014 34 EU ...

Page 15: ...rmation Validity Safety notes Symbols ATEX certificates and pump markings Personnel Unauthorized modifications Installation and start up Location and surroundings Electrical connections Grounding Filling procedure Operation and maintenance Operation Maintenance and service Dismantling Re assembly 2 3 4 4 4 5 5 6 6 6 7 7 7 8 9 ...

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Page 18: ...ctions Our warranty does not apply to any device which has been subject to improper use and negligence Validity This document refers to JEC rotary pumps The serial number is indicated on the label Safety Notes The operating range should never be exceeded See specification for limits Provisional repair and improper spare parts are inconsistent with the ATEX regulations To maintain the explosion pro...

Page 19: ...ory is 2 and the temperature class T4 This determines an upper limit of 135 C for the delivered liquid The motor requires its own declaration of conformity issued by the corresponding manufacturer The temperatures resulting from the pump operation should not be in excess of the admissible values at the motor shaft and the motor flange otherwise the safety cannot be guaranteed In case of doubt cons...

Page 20: ...the pump tolerances are quite narrow a tube spoiled by bending may introduce friction to the system entailing the generation of inadmissible heat RPM max 3000 min 1 10 Electrical Connections All electrical connections must be made according to local wiring regulations and electrical code These tasks are reserved to a qualified electrician Maximum power values issued by the motor manufacturer must ...

Page 21: ...lied For a vertically mounted pump this is always the case One more time Dry running is dangerous and could result in serious injury or death or damage to the equipment Operation and Maintenance Operation It is obvious that a safe operation in a hazardous location is only possible with a careful respect of the specification or there will be the risk of an uncontrollable temperature rise It is also...

Page 22: ...or wearing parts like mechanical seals O rings and bearings A regular visual inspection of static seals is mandatory Personnel should be sufficiently qualified and thoroughly familiar with the operation of the pump before starting any maintenance procedure The same holds for inspection and cleaning in the case of a possible dismantling and reassembling of the pump During this kind of work an explo...

Page 23: ...nces between rotating and static parts are crucial otherwise dangerous friction phenomena are possible The same holds for screw torques Loose parts cannot be tolerated Another important parameter by the reason mentioned above is the correct distance between rotating parts and covers ...

Page 24: ... reproduced copied duplicated or transmitted in any form or by any means electronic or mechanical photocopying recording for any purpose without any consent or expressed permission of JEC Ltd Copyright 2017 All Rights Reserved Ver JRZSAM 1910 JEC LTD 15 26 Beodeul ro Paltan myun Hwaseong si Gyeonggi do 18578 Rep of Korea Tel 82 31 355 0316 Fax 82 31 355 0319 E mail jec jecpump com Website www jecp...

Page 25: ...ATEX Manual JEC Centrifugal pumps in a Hazardous Environment Acc to 2014 34 EU ...

Page 26: ...X European Explosion proof certification CE Declaration of conformity Introduction Preliminary information Validity Safety notes Symbols ATEX certificates and pump markings Personnel Unauthorized modifications Installation and start up Location and surroundings Electrical connections Grounding Filling procedure Operation and maintenance Operation Maintenance and service Dismantling Re assembly 2 4...

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Page 34: ...ons Our warranty does not apply to any device which has been subject to improper use and negligence Validity This document refers to JEC centrifugal pumps The serial number is indicated on the label Safety Notes The operating range should never be exceeded See specification for limits Provisional repair and improper spare parts are inconsistent with the ATEX regulations To maintain the explosion p...

Page 35: ...gory is 2 and the temperature class T4 This determines an upper limit of 135 C for the delivered liquid The motor requires its own declaration of conformity issued by the corresponding manufacturer The temperatures resulting from the pump operation should not be in excess of the admissible values at the motor shaft and the motor flange otherwise the safety cannot be guaranteed In case of doubt con...

Page 36: ...the pump tolerances are quite narrow a tube spoiled by bending may introduce friction to the system entailing the generation of inadmissible heat RPM max 3600 min 1 10 Electrical Connections All electrical connections must be made according to local wiring regulations and electrical code These tasks are reserved to a qualified electrician Maximum power values issued by the motor manufacturer must ...

Page 37: ...itoring methods must be applied One more time Dry running is dangerous and could result in serious injury or death or damage to the equipment Operation and Maintenance Operation It is obvious that a safe operation in a hazardous location is only possible with a careful respect of the specification or there will be the risk of an uncontrollable temperature rise It is also forbidden to lock the suct...

Page 38: ...s particularly important for wearing parts like mechanical seals O rings and bearings A regular visual inspection of static seals is mandatory Personnel should be sufficiently qualified and thoroughly familiar with the operation of the pump before starting any maintenance procedure The same holds for inspection and cleaning in the case of a possible dismantling and reassembling of the pump During ...

Page 39: ...nces between rotating and static parts are crucial otherwise dangerous friction phenomena are possible The same holds for screw torques Loose parts cannot be tolerated Another important parameter by the reason mentioned above is the correct distance between rotating parts and covers ...

Page 40: ... reproduced copied duplicated or transmitted in any form or by any means electronic or mechanical photocopying recording for any purpose without any consent or expressed permission of JEC Ltd Copyright 2017 All Rights Reserved Ver JEC CAM 1910 JEC LTD 15 26 Beodeul ro Paltan myun Hwaseong si Gyeonggi do 18578 Rep of Korea Tel 82 31 355 0316 Fax 82 31 355 0319 E mail jec jecpump com Website www jec...

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