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44-6800 Series

DOPSM2019X012

All Rights Reserved.

June 2019

        WARNING

       

CAUTION

3.4 Maintenance and Repair Service

3.4.1 Repair Service

If  a  regulator  or  valve  leaks  or  malfunctions,  take  it  out  of  service 

immediately. You must have instructions before doing any maintenance. 

Do  not  make  any  repairs  you  do  not  understand.  Have  qualified 

personnel make repairs. Return any equipment in need of service to 

your equipment supplier for evaluation and prompt service. Equipment 

is  restored  to  the  original  factory  performance  specifications,  if 

repairable. There are flat fee repair charges for each standard model. 

The original equipment warranty applies after a complete overhaul.

Any disassembly and/or reassembly of this unit must be performed 

in accordance with IEC 60079-19, 

Explosive Atmospheres - Part 19: 

Equipment Repair, Overhaul and Reclamation.

Do not modify equipment or add attachments not approved 

by the manufacturer.

Failure to do so can result in death, serious injury and/or 

property damage.

Proper Component Selection

a.  Consider the total system design when selecting a 

component for use in a system.

b.  The user is responsible for assuring all safety and warning 

requirements of the application are met through his/her own 

analysis and testing.

c. 

TESCOM  may  suggest  material  for  use  with  specific 

media upon request. Suggestions are based on technical 

compatibility resources through associations and 

manufacturers. TESCOM does NOT guarantee materials 

to  be  compatible  with  specific  media  -- 

THIS  IS  THE 

RESPONSIBILITY OF THE USER!

d.  Component function, adequate ratings, proper installation, 

operation and maintenance are the responsibilities of the 

system user.

3.4.2 Mechanical Pressure Regulator Function

The  following  procedures  are  provided  to  enable  the  customer 

to  perform  all  normal  maintenance  and  repair  operations.  These 

operations are more easily performed with the regulator removed from 

the line.

An Assembly Drawing and Bill of Material for the regulator will be 

needed to complete maintenance procedures. The Assembly Drawing 

and  Bill  of  Material  are  separate  from  this  manual  and  available 

by  contacting  TESCOM  (see  back  page  for  TESCOM  contact 

information).

Figure 3

Figure 4

Figure 5

Содержание Tescom 44-6800 Series

Страница 1: ...l Rights Reserved Do not attempt to select install use or maintain this product until you have read and fully understood this manual 44 6800 Series 44 6800E Series Electrically Heated Vaporizing Regulator Operations Service Manual ...

Страница 2: ...mation 4 3 1 1 Operating Parameters Special Conditions For Safe Use 4 3 2 Installation 4 3 2 1 Installation Precautions 4 3 3 Operation 5 3 3 1 Regulator Adjustment 5 3 3 2 Heater Temperature Controller Status 5 3 4 Maintenance and Repair Service 7 3 4 1 Repair Service 7 3 4 2 Mechanical Pressure Regulator Function 7 3 4 3 Electric Heater Function 9 4 Certifications and Warranty 10 4 1 Hazardous L...

Страница 3: ...ironment codes Clearly establish flow direction of the fluid before installation of regulators valves and accessories It is the responsibility of the user to install the equipment in the correct direction Remove pressure from the system before tightening fittings gauges or components Never turn regulator or valve body Instead hold regulator or valve body and turn fitting nut Take precautions befor...

Страница 4: ...plications requiring dependable pressure regulation These regulators are especially appropriate for installations where high system pressures up to 6000 psi must be reduced to levels suitable for actuating low pressure 0 psig 0 bar to 500 psig 35 bar instruments and related equipment In addition the 44 6800E Series Vaporizing regulator is designed to offset the effects of the Joule Thompson coolin...

Страница 5: ... 50 to 400 C 122 to 752 F See Figure 2 NOTICE Should the thermocouple fail the analog output would read greater than 25 mA and no electrical power will be supplied to the heating element Disconnect power and check wiring j Adjust the temperature with the TRIM1 potentiometer TRIM1 potentiometer located on the electrical board provides a 270 of adjustment The temperature set point range is from 50 C...

Страница 6: ... shipped separately from the regulator assembly Extra wire is provided Connectors J4 and J2 from the regulator assembly must be attached to the corresponding control board terminals For integral applications the electronics enclosure must engage the regulator assembly by at least 5 full threads made wrench tight J4 J5 J2 J1 ...

Страница 7: ...Component Selection a Consider the total system design when selecting a component for use in a system b The user is responsible for assuring all safety and warning requirements of the application are met through his her own analysis and testing c TESCOM may suggest material for use with specific media upon request Suggestions are based on technical compatibility resources through associations and ...

Страница 8: ...t B NOTE Upper portion of regulator includes spring button C load spring D back up plate E and diaphragm F Review correct drawing to ensure that all parts have been disassembled d Thevalvepartscannowberemovedfromtheregulator body by turning the seat retainer G counterclockwise until it is free of the regulator body Mechanical Reassembly The regulator is reassembled in the reverse order of disassem...

Страница 9: ...embly drawing and bill of materials for the regulator and heater will be needed to complete maintenance procedures The assembly drawing and bill of materials are separate from this manual and available by contacting TESCOM see last page for TESCOM contact information To avoid personal injury property damage or equipment damage caused by sudden release of pressure or explosion of accumulated gas do...

Страница 10: ...amb L 85 C DO NOT INSULATE ONLY USE PROVIDED MOUNTING METHODS 70174303 CL I DIV 1 GRP B C D CL II DIV I GRP E F G T3 CL I ZONE 1 AEx db IIB H2 T3 Gb ZONE 21 AEx tb IIIC T200 C Db SINGLE SEAL SEAL REQUIRED WITHIN 450MM 18 in OF THE ENCLOSURE UN SCELLEMENT DOIT ETRE INSTALLE A MOINS DE 450 MM DU BOITER 0344 G 11 2 G Ex db IIB H2 T3 Gb Ex tb IIIC T200 C Db SIRA 19ATEX1062X Ex db IIB H2 T3 Gb Ex tb II...

Страница 11: ...d by the Equipment II 2GD Ex db IIB H2 T3 Gb Ex tb IIIC T200 C Db Approved by the following notified body Sira Certification Service Unit 6 Hawarden Industrial Park Hawarden CH5 3US United Kingdom Harmonized Standards EN IEC 60079 0 2018 EN 60079 1 2014 EN 60079 31 2014 On behalf of the above named company I declare that to which this declaration relates is in conformity with the provisions of the...

Страница 12: ...the firmware of services or repair or replace F O B point of manufacture that portion of the goods or firmware found by Seller to be defective or refund the purchase price of the defective portion of the goods services All replacements or repairs necessitated by inadequate maintenance normal wear and usage unsuitable power sources or environmental conditions accident misuse improper installation m...

Страница 13: ...on com www tescom com MIDDLE EAST AFRICA PO Box 17033 Jebel Ali Free Zone South Zone 2 Dubai UAE T 971 4 811 8443 F 971 4 886 5465 mea tescom emerson com www tescom com DOPSM2019X012 TESCOM Corporation 2015 All Rights Reserved TESCOM is a business unit of Emerson Process Management Regulator Technologies Inc Trademarks are property of divisions of Emerson Process Management The contents of this pu...

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