Emerson TESCOM Safety, Installation, Operations & Service Manual Download Page 1

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Installation Manual

TR000238ENUS-01_12-20

December 2020

TESCOM™
Safety, Installation, Operations & Service Manual

Installation Manual

Summary of Contents for TESCOM

Page 1: ...Emerson com Tescom Do not attempt to select install use or maintain this product until you have read and fully understood this manual Installation Manual TR000238ENUS 01_12 20 December 2020 TESCOM Safety Installation Operations Service Manual Installation Manual ...

Page 2: ...2 TESCOM Safety Installation Operations Service Manual Content December 2020 Installation Manual TR000238ENUS 01_12 20 ...

Page 3: ...Operation Control Knob Adjustment 12 3 2 4Maintenance 12 3 2 5Reassembly 13 3 3 Back Pressure Regulators Diaphragm Sensed 14 3 3 1General 14 3 3 2PressureActivationMethods 14 3 3 3 Operation Control Knob Adjustment 15 3 3 4Maintenance 15 3 3 5Reassembly 16 3 4 Back Pressure Regulators Piston Sensed 16 3 4 1General 16 3 4 2PressureActivationMethods 17 3 4 3 Operation Control Knob Adjustment 17 3 4 ...

Page 4: ...oduct after installation The appliance may only be used for its intended purpose as described in these instructions for use see Section Intended Purpose Do not permit untrained persons to install use or maintain this regulator valve or accessory Improper selection improper installation improper maintenance misuse or abuse of regulators valves or related accessories can cause death serious injury a...

Page 5: ...ly pressure when the regulator is not in use Periodic inspection and scheduled maintenance of your equipment is required for continued safe operation The frequency of servicing is the responsibility of the user based on the application Positive seal tied diaphragm regulators require the downstream pressure vented before turning the hand knob counterclockwise to reduce the outlet pressure Damage ma...

Page 6: ...Pressure regulators are intended to be used to regulate the pressure at which fluids are administered in an application Additional regulations that supplement or limit the intended use may apply depending on the regulator and media or industry specific standards Regulators are not intended for use as a pressure or safety relief valve Valves TESCOM Valves are intended to be used to control gas flow...

Page 7: ... equipment warranty applies after a complete overhaul CAUTION Proper component selection Consider the total system design when selecting a component for use in a system The user is responsible for assuring all safety and warning requirements of the application are met through his her own analysis and testing TESCOM may suggest material for use with specific media upon request TESCOM does NOT guara...

Page 8: ...sing the appropriate installation operations instructions Pressure Reducing Regulators Diaphragm Sensed General TESCOM s diaphragm sensed pressure reducing regulators are specifically engineered for applications requiring dependable pressure regulation These regulators are especially ppropriate for installations where high system pressures up to 6000 psi must be reduced to levels suitable for actu...

Page 9: ...e 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 However in some cases repair may be accomplished without removal of the regulator body as long as the supply has been shut off and the inlet and outlet pressures have been vented An Assembly Drawing an...

Page 10: ...nt parts and correct torque specifications 1 Inspect all parts and replace those worn or damaged with TESCOM replacement parts 2 All parts should be cleaned to the cleanliness level required for safe operation with the media and system they will be used in All parts in the flow stream must be free of particles which could prevent proper seating of the main valve 3 Apply a thin uniform coating of f...

Page 11: ...rized to check for internal and external leakage and operating characteristics Pressure Reducing Regulators Piston Sensed General TESCOM piston sensed pressure reducing regulators are specifically engineered for applications requiring dependable pressure regulation These regulators are especially appropriate for installations where high system pressures up to 20 000 psi must be reduced to levels s...

Page 12: ...er to perform all normal maintenance and repair operations These operations are more easily performed with the regulator removed from the line However in some cases repair may be accomplished without removal of the regulator body as long as the supply has been shut off and the inlet and outlet pressures have been vented An Assembly Drawing and Bill of Material for the regulator will be needed to c...

Page 13: ...s and correct torque specifications 1 Inspect all parts and replace those worn or damaged with TESCOM replacement parts 2 All parts should be cleaned to the cleanliness level required for safe operation with the media and system they will be used in All parts in the flow stream must be free of particles which could prevent proper seating of the main valve 3 Apply a thin uniform coating of fluoroca...

Page 14: ...ssembled it should be connected to a pressure source with media compatible with the use of the regulator and pressurized to check for internal and external leakage and operating characteristics Back Pressure Regulators Diaphragm Sensed General TESCOM s diaphragm sensed back pressure regulators are specifically engineered for applications requiring dependable pressure regulation These regulators ar...

Page 15: ...wever in some cases repair may be accomplished without removal of the regulator body as long as the supply has been shut off and the inlet and outlet pressures have been vented 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 las...

Page 16: ...h the chamfered side towards the valve 5 Standard Regulator with Control Knob The body and bonnet are best joined by holding the bonnet assembly open end up and lowering all required items into place one at a time The last item to be placed in the bonnet will be the diaphragm It can be centered on the seating surface of the bonnet before the body assembly is inverted and screwed into the bonnet fi...

Page 17: ...er the inlet pressure Final adjustments should be made in the direction of increasing pressure to obtain the most accurate back pressure set pressure TESCOM regulators will operate with any liquid or gaseous media compatible with the wetted materials Some series modifications come with an internal filter that only are designed to stop random contamination resulting from the installation of the reg...

Page 18: ...fications 1 Inspect all parts and replace those worn or damaged with TESCOM replacement parts 2 All parts should be cleaned to the cleanliness level required for safe operation with the media and system they will be used in All parts in the flow stream must be free of particles which could prevent proper seating of the main valve 3 Apply a thin uniform coating of fluorocarbon grease to any or all ...

Page 19: ...knob clockwise Operation Control Knob Adjustment The valve is closed by turning the hand knob clockwise and opened by turning the hand knob counterclockwise The hand knob rotation changes the position of the valve stem in relation to the seat TESCOM valves will operate with any liquid or gaseous media compatible with the wetted materials A filter is recommended for use in all but the cleanest medi...

Page 20: ...rawing for the correct location of the replacement parts and correct torque specifications 1 Inspect all parts and replace those worn or damaged with TESCOM replacement parts 2 All parts should be cleaned to the cleanliness level required for safe operation with the media and system the valve will be used in All parts in the flow stream must be free of particles which could prevent proper seating ...

Page 21: ... free of excessive moisture to prevent icing of the valve at high flow rates Maintenance 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 valve removed from the line However in some cases repair may be accomplished without removal of the valve body as long as the supply has been ...

Page 22: ...e those worn or damaged with TESCOM replacement parts 2 All parts should be cleaned to the cleanliness level required for safe operation with the media and system the valve will be used in All parts in the flow stream must be free of particles which could prevent proper seating on the valve stem 3 Apply a thin uniform coating of fluorocarbon grease to the following parts The bonnet threads and all...

Page 23: ...es 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 modification repair sto...

Page 24: ...he Emerson family of companies All other marks are the property of their respective owners 2020 Emerson Electric Co All rights reserved TR000238ENUS 01_12 20 Emerson com Facebook com EmersonAutomationSolutions LinkedIn com company Emerson Automation Solutions Twitter com EMR_Automation Visit us Emerson com tescom Your local contact Emerson com contact ...

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