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Pressure regulator, LR Series (LR-3/8-D-MIDI)

Part Number

Configured Part Number is shown.

LR-3/8-D-MIDI

Pressure regulator, LR Series

Pressure regulator, LR Series

Features

Pressure regulator, LR Series
- Also suitable for front panel mounting
- Two pressure gauge connections for different fitting options
- Good regulating characteristics with minimal pressure hysteresis
- High flow rate
- Two pressure regulation ranges: 0.5...7 bar and 0.5...12 bar
- Setting values are secured by locking the rotary knob
- Return flow option for venting from output 2 to input 1

Specifications

SizeMiniMidiMaxi
Pneumatic connection 1, 2G1/8, G1/4, G3/8G1/4, G3/8, G1/2, G3/4G1/2, G3/4, G1
Constructional designDirectly actuated diaphragm regulatorPilot actuated piston
regulator
Directly actuated diaphragm regulator LR/LRS-...-DI
Regulating functionOutput pressure constant,
with secondary venting,
with primary pressure compensation,
with return flow action
Output pressure constant,
with secondary venting,
with primary pressure compensation,
with return flow action
Type of mountingVia accessories
In-line installation
Front panel mounting
Assembly positionAny
Regulator lockRotary knob with detent
Rotary knob with integrated lock
Pressure regulation range [bar]0.5...7
0.5...12
Max. hysteresis [bar]0.20.4
Pressure indicationVia pressure gauge--
G1/8 preparedG1/4 preparedG1/4 prepared

Standard nominal flow rate qnN

SizeMiniMidiMaxi
Pneumatic connection 1, 2G1/8G1/4G3/8G1/4G3/8G1/2G3/4G1/2G3/4G1
Pressure regulation
range
0.5...7 bar1,0001,6001,8002,2003,3004,0004,50010,700
(7,300)
12,000
(8,350)
12,500
(8,400)
0.5...12 bar8001,5001,7002,1003,2003,5003,50010,500
(5,400)
11,000
(6,800)
11,500
(7,000)

Operating and environmental conditions

SizeMiniMidiMaxi
Operating pressure [bar]1...16
Operating mediumCompressed air in accordance with ISO 8573-1:2010 [7:4:4]
Inert gases
Note on operating/pilot mediumOperation with lubricated medium possible
(in which case lubricated operation will always be required)
Ambient temperature [°C]-10...+60
Temperature of medium [°C]-10...+60
Storage temperature [°C]-10...+60
Corrosion resistance class CRC2
Maritime classificationSee certificate (only LR, pneumatic connection G1/8...G1)
Part Number
LR-3/8-D-MIDI
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipStandard nominal flow rate
(l/min)
Operating Pressure Range
(MPa)
Material of screwed trunnion Material of threaded seal Pneumatic connection 1 Pneumatic connection 2 Outlet pressure 2
(bar)
Max. pressure hysteresis
(bar)
Degree of protection Min. Pressure regulation
(bar)
Max. Pressure regulation Min. Ambient temperature
(bar)
Max. Ambient temperature
(°C)
Min. Temperature of medium
(°C)
Mix. Temperature of medium
(°C)
Repetition accuracy in ± %FS Size Pressure gauge Corrosion resistance class (CRC) Manufacturer part # Weight
(g)

SGD 163.00

1 Piece(s) Quote 32000~1.6G3/8G3/8--0.2-0.512-1060-1060-Midiwith pressure gauge-2 - Moderate corrosion stress159580720

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Basic Information

Housing material Die-cast zinc Seals material NBR Material of sub-base Die-cast zinc
Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4], Inert gas

Please check the type/dimensions/specifications of the part LR-3/8-D-MIDI in the Pressure regulator, LR Series series.

Similar Part Numbers

Part Number
LR-1-D-O-MAXI
LR-1/2-D-7-MIDI
LR-1/2-D-7-O-MIDI
LR-3/8-D-MINI
LR-3/8-D-O-MIDI
LR-3/8-D-O-MINI
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipStandard nominal flow rate
(l/min)
Operating Pressure Range
(MPa)
Material of screwed trunnion Material of threaded seal Pneumatic connection 1 Pneumatic connection 2 Outlet pressure 2
(bar)
Max. pressure hysteresis
(bar)
Degree of protection Min. Pressure regulation
(bar)
Max. Pressure regulation Min. Ambient temperature
(bar)
Max. Ambient temperature
(°C)
Min. Temperature of medium
(°C)
Mix. Temperature of medium
(°C)
Repetition accuracy in ± %FS Size Pressure gauge Corrosion resistance class (CRC) Manufacturer part # Weight
(g)

SGD 343.60

1 Piece(s) Quote 115000~1.6--G1G1-0.4-0.512-1060-1060-MaxiG1/4 prepared--1100

SGD 176.70

1 Piece(s) Quote 40000~1.6--G1/2G1/2-0.2-0.57-1060-1060-Midiwith pressure gauge2 - Moderate corrosion stress-720

SGD 159.05

1 Piece(s) Quote 40000~1.6--G1/2G1/2-0.2-0.57-1060-1060-MidiG1/4 prepared2 - Moderate corrosion stress-660

SGD 103.95

1 Piece(s) Quote 17000.1~1.6--G3/8G3/8-0.2-0.512-1060-1060-Miniwith pressure gauge2 - Moderate corrosion stress-350

SGD 145.30

1 Piece(s) Quote 32000~1.6--G3/8G3/8-0.2-0.512-1060-1060-MidiG1/4 prepared2 - Moderate corrosion stress-660

SGD 86.30

1 Piece(s) Quote 17000.1~1.6--G3/8G3/8-0.2-0.512-1060-1060-MiniG1/8 prepared2 - Moderate corrosion stress-300

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