Emerson LR128 Brochure

Type LR128 Liquid Backpressure Regulator

Accurate and reliable liquid backpressure control

Accuracy and Reliability

The Type LR128 provides accurate backpressure

control and fast response for medium to high-fl ow
applications. Its metal plug and engineered fl ow path
defl ect debris, protecting the seat from damage and

erosion. The Type LR128 handles a range of liquids;

from water, to lube oil, to fuel. Customers can expect
smooth operation, tight shutoff, and long service life.

• Accurate across fl ow range

• Engineered fl ow path designed for fl uid media

• Compact for space and weight savings

Features:

Max Inlet Pressure:

450 psig / 31.0 bar

Outlet Pressure Range:

35 to 375 psig / 2.4 to 25.9 bar

Temperature Capabilities:

-20 to 250°F / -29 to 121°C

Size and Material:

1, 2, 3, and 4 inches; WCC and

Stainless steel

End Connections:

NPT, SWE, CL150 RF, CL300 RF,
CL600 RF, DIN

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Industrial Regulating Solutions.

Fisher® pressure reducing and backpressure regulators area available in a wide range of sizes and constructions to satisfy
your application requirements.

Backpressure

Model........................................Type LR128

Body Size..............................NPS 1, 2, 3, and 4

Control Pressure Range....................................

........................35 to 375 psig / 2.4 to 25.9 bar

Maximum Inlet Pressure.....450 psig / 31.0 bar

Operation Method.....................Pilot-Operated

Body Material...................Steel, Stainless Steel

Bulletin No. ..................................71.4:LR128

Model......................................Type MR108

Body Size..............................NPS 1, 2, 3, and 4

Control Pressure Range....................................

.....................5 to 300 psig / 0.34 to 20.7 bar

Maximum Inlet Pressure..................................

........................................400 psig / 27.6 bar

Operation Method.................Direct-Operated

Body Material...Cast Iron, Steel, Stainless Steel

Bulletin No. .................................71.4:MR108

Model............................................98 Series

Body Size........NPS 1/4, 1/2, 3/4, 1, 1-1/2, and 2

Relief Pressure Range..........................................

.......................... 2 to 375 psig / 0.14 to 25.9 bar

Maximum Inlet Pressure.......... 400 psig / 28 bar

Operation Method....................Direct-Operated

Body Material.............................Cast Iron, Steel,

..................Stainless Steel, Hastelloy

Bulletin No. ...........................................71.4:98

®

C, Monel

Pressure Reducing

(2)

(1)

®

Model........................................Type LR125

Body Size..............................NPS 1, 2, 3, and 4

Outlet Pressure Range.....................................

........................15 to 150 psig / 1.0 to 10.3 bar

Maximum Inlet Pressure.....300 psig / 20.7 bar

Operation Method....................Pilot-Operated

Body Material...................Steel, Stainless Steel

Bulletin No. ..................................71.2:LR125

Model......................................Type MR105

Body Size..............................NPS 1, 2, 3, and 4

Outlet Pressure Range.....................................

..................... 5 to 300 psig / 0.34 to 20.7 bar

Maximum Inlet Pressure.....400 psig / 27.6 bar

Operation Method.................Direct-Operated

Body Material... Cast Iron, Steel, Stainless Steel

Bulletin No. .................................71.1:MR105

Model...........................................95 Series

Body Size......NPS 1/4, 1/2, 3/4, 1, 1-1/2, and 2

Outlet Pressure Range.....................................

........................2 to 400 psig / 0.14 to 27.6 bar

Maximum Inlet Pressure..... 600 psig / 41.4 bar

Operation Method.................Direct-Operated

Body Material..........................Cast Iron, Steel,

...............Stainless Steel, Hastelloy C

Bulletin No. ....................................... 71.1:95

®

, Monel

(2)

®

Model................................Type 63EG-98HM

Body Size.......................NPS 2, 3, 4, 6, and 8 x 6

Relief Pressure Range........................................

.........................15 to 375 psig / 1.0 to 25.9 bar

Maximum Inlet Pressure......450 psig / 31.0 bar

Operation Method.....................Pilot-Operated

Body Material................... Steel, Stainless Steel,

....................Hastelloy® C, Monel®, and Alloy 20

Bulletin No. ...........................71.4:63EG-98HM

1. For high-pressure actuator constructions with Fluorocarbon (FKM) diaphragm, maximum outlet and emergency casing pressures are limited to
230 psig / 15.8 bar or the body rating limit, whichever is lower.

2. For high-pressure actuator constructions with Fluorocarbon (FKM) diaphragm, maximum set pressure is limited to 150 psig / 10.3 bar.

Emerson Process Management Regulator Technologies, Inc.

USA - Headquarters
McKinney, Texas 75069-1872, USA

Tel: [phone]
Outside U.S. [phone]

D352016X012 © 2012, 2013 Emerson Process Management Regulator Technologies, Inc. All rights reserved. Printed in the U.S.A. 05/13.
Fisher, Emerson Process Management, and the Emerson Process Management design are marks of one of the Emerson Process Management
group of companies. All other marks are the property of their respective owners.

Asia-Pacific
Shanghai 201206, China
Tel: [phone]

Europe
Bologna 40013, Italy
Tel: [phone]

Model...............................Type1098-EGR

Body Size....... NPS 1, 2, 3, 4, 6, 8 x 6, and 12 x 6

Outlet Pressure Range.............14-inches w.c. to

...........................300 psig / 35 mbar to 20.7 bar

Maximum Inlet Pressure...... 400 psig / 27.6 bar

Operation Method..................... Pilot-Operated

Body Material........................... Cast Iron, Steel,

................................................... Stainless Steel

Bulletin No. ............................. 71.1:1098-EGR

Middle East and Africa
Dubai, United Arab Emirates

Tel: [phone]