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Pressure regulator, LR Series (LR-3/8-D-O-MIDI)
Part Number
Configured Part Number is shown.
LR-3/8-D-O-MIDI
- Download
Product Details - CAD Data unavailable
Pressure regulator, LR Series
Features
- 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
| Size | Mini | Midi | Maxi |
|---|---|---|---|
| Pneumatic connection 1, 2 | G1/8, G1/4, G3/8 | G1/4, G3/8, G1/2, G3/4 | G1/2, G3/4, G1 |
| Constructional design | Directly actuated diaphragm regulator | Pilot actuated piston regulator | |
| Directly actuated diaphragm regulator LR/LRS-...-DI | |||
| Regulating function | Output 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 mounting | Via accessories | ||
| In-line installation | |||
| Front panel mounting | |||
| Assembly position | Any | ||
| Regulator lock | Rotary knob with detent | ||
| Rotary knob with integrated lock | |||
| Pressure regulation range [bar] | 0.5...7 | ||
| 0.5...12 | |||
| Max. hysteresis [bar] | 0.2 | 0.4 | |
| Pressure indication | Via pressure gauge | - | - |
| G1/8 prepared | G1/4 prepared | G1/4 prepared | |
Standard nominal flow rate qnN
| Size | Mini | Midi | Maxi | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pneumatic connection 1, 2 | G1/8 | G1/4 | G3/8 | G1/4 | G3/8 | G1/2 | G3/4 | G1/2 | G3/4 | G1 | |
| Pressure regulation range | 0.5...7 bar | 1,000 | 1,600 | 1,800 | 2,200 | 3,300 | 4,000 | 4,500 | 10,700 (7,300) | 12,000 (8,350) | 12,500 (8,400) |
| 0.5...12 bar | 800 | 1,500 | 1,700 | 2,100 | 3,200 | 3,500 | 3,500 | 10,500 (5,400) | 11,000 (6,800) | 11,500 (7,000) | |
Operating and environmental conditions
| Size | Mini | Midi | Maxi |
|---|---|---|---|
| Operating pressure [bar] | 1...16 | ||
| Operating medium | Compressed air in accordance with ISO 8573-1:2010 [7:4:4] | ||
| Inert gases | |||
| Note on operating/pilot medium | Operation 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 CRC | 2 | ||
| Maritime classification | See certificate (only LR, pneumatic connection G1/8...G1) | ||
| Part Number |
|---|
| LR-3/8-D-O-MIDI |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Standard 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 145.30 | 1 Piece(s) | Quote | 3200 | 0～1.6 | - | - | G3/8 | G3/8 | - | 0.2 | - | 0.5 | 12 | -10 | 60 | -10 | 60 | - | Midi | G1/4 prepared | 2 - Moderate corrosion stress | - | 660 |
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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-O-MIDI in the Pressure regulator, LR Series series.
Specification/Dimensions
-
Material of screwed trunnion
-
Material of threaded seal
- G1
- G1/2
- G1/4
- G1/8
- G3/4
- G3/8
-
Outlet pressure 2(bar)
-
Degree of protection
-
Repetition accuracy in ± %FS
- Maxi
- Midi
- Mini
-
Pneumatic connection 1
-
Pneumatic connection 2
-
Max. pressure hysteresis(bar)
-
Min. Pressure regulation(bar)
-
Max. Pressure regulation
-
Min. Ambient temperature(bar)
- -10
- 60
-
Max. Ambient temperature(°C)
- -10
- 60
-
Min. Temperature of medium(°C)
- -10
- 60
-
Mix. Temperature of medium(°C)
- 60
-
Size
-
Pressure gauge
- G1/4 prepared
- G1/8 prepared
- with pressure gauge
-
Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Similar Part Numbers
| Part Number |
|---|
| LR-1-D-7-O-MAXI |
| LR-1-D-MAXI |
| LR-1-D-O-MAXI |
| LR-1/2-D-7-MIDI |
| LR-1/2-D-7-O-MIDI |
| LR-3/8-D-O-MINI |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Standard 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 357.25 | 1 Piece(s) | Quote | 12500 | 0～1.6 | - | - | G1 | G1 | - | 0.4 | - | 0.5 | 7 | -10 | 60 | -10 | 60 | - | Maxi | G1/4 prepared | - | - | 1100 | ||
SGD 361.25 | 1 Piece(s) | Quote | 11500 | 0～1.6 | G1 | G1 | - | - | 0.4 | - | 0.5 | 12 | -10 | 60 | -10 | 60 | - | Maxi | with pressure gauge | - | - | 159627 | 1200 | ||
SGD 343.60 | 1 Piece(s) | Quote | 11500 | 0～1.6 | - | - | G1 | G1 | - | 0.4 | - | 0.5 | 12 | -10 | 60 | -10 | 60 | - | Maxi | G1/4 prepared | - | - | 1100 | ||
SGD 176.70 | 1 Piece(s) | Quote | 4000 | 0～1.6 | - | - | G1/2 | G1/2 | - | 0.2 | - | 0.5 | 7 | -10 | 60 | -10 | 60 | - | Midi | with pressure gauge | 2 - Moderate corrosion stress | - | 720 | ||
SGD 159.05 | 1 Piece(s) | Quote | 4000 | 0～1.6 | - | - | G1/2 | G1/2 | - | 0.2 | - | 0.5 | 7 | -10 | 60 | -10 | 60 | - | Midi | G1/4 prepared | 2 - Moderate corrosion stress | - | 660 | ||
SGD 86.30 | 1 Piece(s) | Quote | 1700 | 0.1～1.6 | - | - | G3/8 | G3/8 | - | 0.2 | - | 0.5 | 12 | -10 | 60 | -10 | 60 | - | Mini | G1/8 prepared | 2 - Moderate corrosion stress | - | 300 |
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