Samson EB LTR 43

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10-2

EB|LTR|43_EN

May 2023 edition

Subject to technical changes

Decommissioning

Main Page

Table of Contents3
Safety Instructions and Safety Measures5
Notes Regarding Possible Severe Personnel Injury6
Notes Regarding Possible Personnel Injury7
Notes Regarding Possible Property Damage8
Warning Notes on the Device8
Markings on the Device9
Control and Shut-Off Valve Type Plate9
Actuator Type Plate9
Material Markings9
Design and Principle of Operation11
Variants12
Additional Optional Components on the Valve12
Control-Related Additional Equipment13
Technical Data13
Shipment and On-Site Transport15
Accepting Delivery15
Unpacking the Valve15
Transporting and Lifting the Valve15
Transporting the Valve15
Lifting the Valve15
Storing the Valve16
Installation19
Installation Conditions19
Preparing for Assembly20
Assembling the Butterfl y Valve20
Assembling the Butterfl y Valve and Actuator20
Installing the Actuator in the Pipe21
Checking the Assembled Actuator22
Pressure and Leak Test23
Checking the Rotary Movement24
Checking the Fail-Safe Position24
Start-Up25
Operation27
Working in Automatic Mode27
Working in Manual Mode27
Working with the Manual Gear27
Malfunction29
Detecting and Rectifying Errors29
Carrying out Emergency Measures29
Servicing31
Periodic Tests32
Preparing Maintenance Work32
Maintenance Work32
Maintenance Work on the Attachments32
Maintenance Work on the Actuator32
Maintenance Work on the Butterfl y Valve in an Installed Condition32
Maintenance Work on the Butterfl y Valve in a Removed Condition35
Assembling and Commissioning the Actuator after Maintenance Work35
Design of the Sealing System35
Butterfl y Valve LTR 43-2 and LTR35
Butterfl y Valve LTR35
Butterfl y Valve LTR 43-4 and LTR36
Butterfl y Valve LTR36
Decommissioning37
Removal39
Removing the Butterfl y Valve with an Assembled Actuator from the Pipe39
Disassembling the Actuator40
Repairs41
Sending Devices to SAMSON LEUSCH41
Disposal43
Certifi Cates45
Annex51
Tightening Torques, Lubricant and Tools51
Tightening Torques51
Lubricant53
Tools53
Service53
Spare Parts53
Series LTR43-2, LTR43-9.254
Series LTR43-355
Series LTR43-4, LTR43-9.456
Series LTR43-957

Samson EB LTR 43 - Page 38

Table of Contents

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