Emerson Fisher LR125 Series Installation Manual Download Page 6

Type LR125

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Regulator Technologies, Inc.

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Outside U.S. +1 972 548 3574

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Natural Gas Technologies

Emerson Process Management

Regulator Technologies, Inc.

USA - Headquarters

McKinney, Texas 75070 USA

Tel: +1 800 558 5853

Outside U.S. +1 972 548 3574

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For further information visit www.fisherregulators.com 

Summary of Contents for Fisher LR125 Series

Page 1: ...velops in the system it indicates that service is required Failure to take the regulator out of service immediately may create a hazardous condition Personal injury equipment damage or leakage due to escaping fluid or bursting of pressure containing parts may result if this regulator is overpressured or is installed where service conditions could exceed the limits given in the Specifications secti...

Page 2: ...0 7 bar 300 psig 20 7 bar 300 psig 20 7 bar 300 psig Type MR95HP 1 2 NPT Steel Stainless steel 41 4 bar 600 psig 41 4 bar 600 psig 41 4 bar 600 psig 37 9 bar 550 psig 1 The pressure temperature limits in this Installation Guide and any applicable standard or code limitation should not be exceeded 2 Temperature and or the body end connection may decrease these maximum pressures Table 3 Outlet Contr...

Page 3: ...essure limitations are stamped on the regulator nameplate Some type of overpressure protection is needed if the actual inlet pressure exceeds the maximum operating outlet pressure rating Overpressure protection should also be provided if the regulator inlet pressure is greater than the safe working pressure of the downstream equipment Regulator operation below the maximum pressure limitations does...

Page 4: ...Y SIZE 3 24 26 25 22 15 4 6 18 16 63 12 28 9 130 1 23 21 20 19 17 2 14 L2 5 70 10 11 129 7 8 L1 L1 L1 L2 L1 L1 Parts List Type LR125 Main Valve Key Description 1 Valve Body 2 Bonnet Assembly 3 Cap Screw 4 Hex Nut 5 Top Plug 6 O ring 7 Cage 8 Cage O ring 9 Diaphragm 10 O ring 11 Bottom Plug 12 Main Valve Spring 13 Flanged Hex Nut 14 Top Plug O ring 15 Stem 16 Back up Ring 17 Upper Spring Seat 18 O ...

Page 5: ... Screw 16 Cap Screw 17 Jam Nut 18 Nameplate Drive Screw 26 Inner Valve Spring 63 Bottom Plug Seal Recommended spare part GF04914 APPLY LUBRICANT SEALANT 1 L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE L2 ANTI SEIZE COMPOUND 1 Lubricant and sealant must be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for Stainless steel bolts L2 L2 L2 L1 L2 15 17 8 ...

Page 6: ...intenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Afric...

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