# Glass level gauge — LGG

> For direct indication of levels

- Catalog code: lgg
- Model: LGG
- Category: Level measurement › Glass level gauges
- Product page: https://avigan.com.ua/wika/en/products/lgg
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

The main element of the glass level gauge is the gauge body. Incorporated into this gauge body are the liquid channel (if necessary the heating channel) and ...

## Applications

- Continuous level indication without auxiliary power
- Direct indication of the level
- Individual design and corrosion-resistant materials make the products suitable for a broad range of applications
- Chemical industry, petrochemical industry, oil and natural gas extraction (on- and offshore), shipbuilding, machine building, power generating equipment, power plants
- Oil and gas, heat transfer and refrigeration systems, plants for cryogenics

## Special features

- Process- and procedure-specific production
- Operating limits: Operating temperature: -196 ... +374 °C [-320.8 ... +705.2 °F] Operating pressure: Vacuum to 250 bar [3,625.9 psi]
- Operating temperature: -196 ... +374 °C [-320.8 ... +705.2 °F]
- Operating pressure: Vacuum to 250 bar [3,625.9 psi]
- Wide variety of different process connections and materials
- Illumination optional
- Heating and/or insulation optional

## Specifications

| Parameter | Value |
|---|---|
| model | LGG |
| product family | LGG |
| short description | Glass level gauges for continuous level indication without auxiliary power, suitable for a broad range of applications including chemical, petrochemical, oil and gas, and power plants. |
| subcategory | reflex, transparent, refraction with mica |
| ambient temp | -40 … 300 °C |
| languages in datasheet | en |
| technology | vibration_fork |
| level ranges m | 0.12 … 2.93 m; 0.12 … 3.8 m |
| process connections | Male thread 1/2 NPT, 3/4 NPT; Weld stub 1/2", 3/4"; Flange DIN EN 1092-1: DN 15 ... 50, PN 16 ... 250; Flange ASME 16.5: 1/2 ... 2", Class 150 ... 1500; Flange DIN EN 1092-1:DN 15 ... 50, PN; Male thread ½NPT, ¾NPT; Weld stub ½", ¾"; Flange DIN EN 1092-1: DN15...50, PN16...100; Flange ASME 16.5: 1/2...2", Class 150...600 |
| wetted parts material | Steel A350LF2; Stainless steel 1.4404 (316L); Steel 1.0460/1.0570; Steel 1.5415 (15Mo3); Brass; Stainless steel 1.4571 (316Ti); Steel A350 LF2; Borosilicate glass; Mica |
| process temp | -196 … 374 °C |
| process pressure max bar | 250 |

## Datasheet tables

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| Length in mm[in] | Glass size |  |  |  |  |  |  |  |  |  |
|  | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| L | 140 [5.5] | 165 [6.5] | 190 [7.5] | 220 [8.7] | 250 [9.8] | 280 [11.0] | 320 [12.6] | 340 [13.4] | 370 [14.6] | 400 [15.7] |
| ESL | 120 [4.7] | 145 [5.7] | 170 [6.7] | 200 [7.9] | 230 [9.1] | 260 [10.2] | 300 [11.8] | 320 [12.6] | 350 [13.8] | 380 [15.0] |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| Number of segments | Visible length SL in mm[in] |  |  |  |  |  |  |  |  |  |
| 1 | 120 [4.7] | 145 [5.7] | 170 [6.7] | 200 [7.9] | 230 [9.1] | 260 [10.2] | 300 [11.8] | 320 [12.6] | 350 [13.8] | 380 [15.0] |
| 2 | 285 [11.2] | 335 [13.2] | 385 [15.2] | 445 [17.5] | 505 [19.9] | 565 [22.2] | 645 [25.4] | 685 [27.0] | 745 [29.3] | 805 [31.7] |
| 3 | 450 [17.7] | 525 [20.7] | 600 [23.6] | 690 [27.2] | 780 [30.7] | 870 [34.3] | 990 [39.0] | 1,050 [41.3] | 1,140 [44.9] | 1,230 [48.4] |
| 4 | 615 [24.2] | 715 [28.1] | 815 [32.1] | 935 [36.8] | 1,055 [41.5] | 1,175 [46.3] | 1,335 [52.6] | 1,415 [55.7] | 1,535 [60.4] | 1,655 [65.2] |
| 5 | 780 [30.7] | 905 [35.6] | 1,030 [40.6] | 1,180 [46.5] | 1,330 [52.4] | 1,480 [58.3] | 1,680 [66.1] | 1,780 [70.1] | 1,930 [76.0] | 2,080 [81.9] |
| 6 | 945 [37.2] | 1,095 [43.1] | 1,245 [49.0] | 1,425 [56.1] | 1,605 [63.2] | 1,785 [70.3] | 2,025 [79.7] | 2,145 [84.4] | 2,325 [91.5] | 2,505 [98.6] |
| 7 | 1,110 [43.7] | 1,285 [50.6] | 1,460 [57.5] | 1,670 [65.7] | 1,880 [74.0] | 2,090 [82.3] | 2,370 [93.3] | 2,510 [98.8] | 2,720 [107.1] | 2,930 [115.4] |

| Glass level gauges | Material | Indica - tion | Max. pres - sure in bar [psi] | Temperature range in °C [°F] | Glass size inmm | Number of segments |
|---|---|---|---|---|---|---|
| Reflex indicator |  |  |  |  |  |  |
| &#x27;Carbon-Line&#x27; version, model LGG-RP | Steel A350LF2 | Sight glass | 100 [1,450.4] | -40 ...+300 [-40 …+572] | 4 ... 9 | 1 ... 5 |
| Compact version with side pieces, model LGG-E | Steel 1.0460/1.0570 | Sight glass | 40 [580.2] | -10 ...+300 [+14 …+572] | 2 ... 11 | 1 ... 3 |
| Standard version, model LGG-RE | Steel 1.0570 (A350LF2) Stainless steel 1.4404 (316L) | Sight glass | 160 [2320.6] | -10 ...+300 [+14 …+572] -196 ...+300 [-320.8 …+572] | 2 ... 11 | 1 ... 5 |
| High-pressure version, model LGG-RI | Steel 1.5415 (15Mo3) Stainless steel 1.4404 | Sight glass | 250 [3625.9] | -10 ...+100 [+14 …+212] -196 ...+100 [-320.8 …+212] | 2 ... 9 | 1 ... 5 |
| Weld-in version, model LGG-WR | (316L) Steel 1.0570 (A350LF2) Stainless steel 1.4404 (316L) | Sight glass | 40 [580.2] | -10 ...+300 [+14 …+572] -196 ...+300 [-320.8 …+572] | 2 ... 9 | 1 |
| Transparent indicator |  |  |  |  |  |  |
| &#x27;Carbon-Line&#x27; version, model LGG-TP | Steel A350LF2 | Glass (mica) | 100 [1,450.4] | -40 ...+300 [-40 …+572] | 4 ... 9 | 1 ... 5 |
| Standard version, model LGG-TE | Steel 1.0570 (A350LF2) Stainless steel 1.4404 (316L) | Glass (mica) | 160 [2320.6] | -10 ...+300 [+14 …+572] -196 ...+300 [-320.8 …+572] | 2 ... 11 | 1 ... 5 |
| High-pressure version, model LGG-TI | Steel 1.5415 (15Mo3) Stainless steel 1.4404 (316L) | Glass (mica) | 250 [3625.9] | -10 ...+100 [+14 …+212] -196 ...+100 [-320.8 …+212] | 2 ... 9 | 1 ... 5 |
| Superheated steam version, model LGG-T3 | Steel 1.5415 (15Mo3) Stainless steel 1.4404 (316L) | Glass + mica | 160 [2320.6] | -10 ...+100 [+14 …+212] -196 ...+300 [-320.8 …+572] | 2 ... 9 | 1 ... 5 |
| Weld-in version, model LGG-WT | Steel 1.0570 (A350LF2) Stainless steel 1.4404 (316L) | Glass (mica) | 40 [580.2] | -10 ...+300 [+14 …+572] -196 ...+300 [-320.8 …+572] | 2 ... 9 | 1 |
| Glass tube, standard, Model LGG-GA | Brass Stainless steel 1.4571 (316Ti) | Glass tube 13mm [0.51 in] | 10 [145] | -10 ...+120 [+14 …+248] -10 ...+200 [+14 …+392] | 110 ...1,200mm [4.3 …47.2 in] | 1 |
| Glass tube, for large lengths with interposing glass-holder, model LGG- GB | Stainless steel 1.4404 (316L) | Glass tube 16mm [0.63 in] | 25 [362.6] | -10 ...+200 [+14 …+392] | 150 ...4,500mm [5.9 …177.2 in] | 1 ... 3 |
| Refraction indicator |  |  |  |  |  |  |
| Highest-pressure version, model LGG-M | Steel 1.5415 (15Mo3) | Mica | 160/250 [2320.6/ 3625.9] | -10 ...+374 [+14 …+705.2] | 2 ... 11 | 1 ... 9 |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|
| Valve head | Material | Max. pres - sure in bar | Operation | Ball-check valve | Mount | Thru- way |  |
| Valve body | Head piece |  |  |  |  |  |  |
| Glass tube fitting with handwheel, model LGV-01 | Stainless steel | Stainless steel | PN 250 | Handwheel | Yes | Top, bottom | Offset |
| Glass tube fitting with quick closing lever, model LGV-03 | Stainless steel | Stainless steel | PN 100 | Quick closing lever | Yes | Top, bottom | Offset |
| Compact glass tube fitting without valve, model LGV-04 | Stainless steel | Stainless steel | PN 10 | Without | No | Top, bottom | Angled |
| Glass tube fitting com - pact with handwheel, model LGV-05 | ■ Brass ■ Stainless steel | Without | PN 10 | Handwheel | No | Top, bottom | Angled |
| Double valve, model LGV-18 | Steel 15Mo3 | Stainless steel | PN 160 | Double handwheel/dou - ble lever | Yes | Lateral | Angled |
| Double valve, high pressure, model LGV- 19 | Steel 15Mo3 | Stainless steel | PN 250 | Double handwheel/dou - ble lever | Yes | Lateral | Angled |
| Forged valve with handwheel, model LGV-33 | Steel A350LF2, nitrocarburised | Stainless steel | PN 250 | Handwheel | Yes | Top, bottom | Offset |
| Straight valve with handwheel, model LGV-51, LGV-71 | ■ Steel ■ Stainless steel | Stainless steel | PN 250 | Handwheel | Yes | Lateral, back | Straight |
| Angled valve with handwheel, model LGV-52, LGV-72 | ■ Steel ■ Stainless steel | Stainless steel | PN 250 | Handwheel | Yes | Lateral | Angled |
| Offset valve with handwheel, model LGV-53, LGV-73 | ■ Steel ■ Stainless steel | Stainless steel | PN 250 | Handwheel | Yes | Top, bottom | Offset |
| Straight valve with quick closing lever, model LGV-56 | ■ Steel ■ Stainless steel | Stainless steel | PN 100 | Quick closing lever | Yes | Lateral, back | Straight |
| Angled valve with quick closing lever, model LGV-57 | ■ Steel ■ Stainless steel | Stainless steel | PN 100 | Quick closing lever | Yes | Lateral | Angled |
| Offset valve with quick closing lever, model LGV-58 | ■ Steel ■ Stainless steel | Stainless steel | PN 100 | Quick closing lever | Yes | Top, bottom | Offset |

### Specifications

| Material | Steel A350 LF2, nitrocarburised |
|---|---|
| Gauge body | 40 x 40 mm[1.6 x 1.6 in] |
| Cover | 80 x 30 mm[3.1 x 1.2 in] |
| Sight glass | Borosilicate, reflex per DIN 7081 |
| Max. operating pressure | 100 bar [1,450.4 psi] 1) |
| Temperature range | -40 ...+243 °C [-40 …+469.4 °F] (steam) -40 ...+300 °C [-40 …+572 °F] |
| Process connections | ■ Male thread 1/2 NPT, 3/4 NPT ■ Weld stub 1/2", 3/4" ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 100 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 600 |
| Centre-to-centre dis- tanceM | Freely selectable, min. visible length SL + 180 mm[7 in] |
| Vent | Plug 1/2 NPT (option:Valve) |
| Drain | Plug 1/2 NPT (option:Valve) |
| Glass size | 4 ... 9 |
| Number of segments | 1 ... 5 |
| Suitable valve heads |  |
| Handwheel | Model LGV-33 (PN 250) |

### Specifications

| Material | Steel 1.0460, 1.0570 |
|---|---|
| Gauge body | 40 x 30 mm[1.6 x 1.2 in] |
| Cover | Clamping through side components, hinged |
| Sight glass | Borosilicate, reflex per DIN 7081 |
| Max. operating pres - sure | 40 bar [580.2 psi] 1) |
| Temperature range | -10 ...+243 °C [+14 …469.4 °F] (steam) |
| Process connections | ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 40 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 300 |
| Centre-to-centre dis- tanceM | Freely selectable, min. visible length SL + 80 mm[3.1 in] |
| Vent | Plug G3/8 (option:Valve, ball valve) |
| Drain | Plug G3/8 (option:Valve, ball valve) |
| Glass size | 2 ... 11 |
| Number of segments | 1 ... 3 |
| Suitable valve heads | Integrated, with ball-check valve, mounting components from stainless steel |

| Specifications | Steel version | Stainless steel version |
|---|---|---|
| Material | Steel 1.0570, A350 LF2 | Stainless steel 1.4404 (316L) |
| Other materials on request |  |  |
| Gauge body | 40 x 40 mm[1.6 x 1.6 in], machined |  |
| Cover | ■ 80 x 30 mm[3.1 x 1.2 in], (PN 40) ■ 80 x 40 mm[3.1 x 1.6 in], (PN 100, PN 160) | ■ 80 x 30 mm[3.1 x 1.2 in], (PN 40) ■ 80 x 40 mm[3.1 x 1.6 in], (PN 100, PN 160) |
| Sight glass | Borosilicate, reflex per DIN 7081 |  |
| Max. operating pres - sure | 40 bar [580.2 psi], 100 bar [1,450.4 psi], 160 bar [2,320.6 psi] 1) |  |
| Temperature range | -10 ...+243 °C [+14 …469.4 °F] (steam) -10 ...+300 °C [+14 …572 °F] | -196 ...+243 °C [-320.8 …+469.4 °F] (steam) -196 ...+300 °C [-320.8 …+572 °F] |
| Process connections | ■ Male thread 1/2 NPT, 3/4 NPT ■ Weld stub 1/2", 3/4" ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 160 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 900 |  |
| Centre-to-centre distanceM | ■ Freely selectable, min. visible length SL + 180 mm[7 in] (with mounted valve heads model LGV-53, LGV-58, LGV-73) ■ Freely selectable, min. visible length SL + 80 mm[3.1 in] (with mounted valve heads model LGV-51, -52, -56, -57, -71, -72) ■ Special version, visible length = M(with mounted valve heads model LGV-51, -52, -56, -57, -71, -72) |  |
| Vent | Plug G3/8 (option:Weld stub, flange, valve or ball valve) |  |
| Drain | Plug G3/8 (option:Weld stub, flange, valve or ball valve) |  |
| Glass size | 2 ... 11 |  |
| Number of segments | 1 ... 5 (more on request) |  |
| Suitable valve heads |  |  |
| Handwheel | Model LGV-51, -52, -53, -71, -72, -73 (PN 250) | Model LGV-51, -52, -53, -71, -72, -73 (PN 250) |
| Quick closing lever | Model LGV-56, LGV-57, LGV-58 (PN 100) | Model LGV-56, LGV-57, LGV-58 (PN 100) |

| Specifications | Steel version | Stainless steel version |
|---|---|---|
| Material | Steel 1.5415 (15Mo3) | Stainless steel 1.4404 (316L) |
| Other materials on request |  |  |
| Gauge body | 200 x 40 mm[5.5 x 1.6 in] |  |
| Cover | Pressure frame |  |
| Sight glass | Borosilicate, reflex per DIN 7081 |  |
| Max. operating pres - sure | 250 bar [3625.9 psi] 1) |  |
| Temperature range | -10 ...+100 °C [+14 …212 °F] | -196 ...+100 °C [-320.8 …+212 °F] |
| Process connections | ■ Male thread 1/2 NPT, 3/4 NPT ■ Weld stub 1/2", 3/4" ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 250 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 1,500 |  |
| Centre-to-centre dis- tanceM | ■ Freely selectable, min. visible length SL + 180 mm[7 in] (with mounted valve head model LGV-53) ■ Freely selectable, visible length SL ≤ M(with mounted valve heads model LGV-51, LGV-52) |  |
| Vent | Plug G3/8 (option:Weld stub, flange, valve or ball valve) |  |
| Drain | Plug G3/8 (option:Weld stub, flange, valve or ball valve) |  |
| Glass size | 2 ... 9 |  |
| Number of segments | 1 ... 5 |  |
| Suitable valve heads |  |  |
| Handwheel | Model LGV-51, LGV-52, LGV-53 |  |

| Specifications | Steel version | Stainless steel version |
|---|---|---|
| Material | Steel 1.0570 | Stainless steel 1.4404 (316L) |
|  | Other materials on request |  |
| Gauge body | 80 x 40 mm[3.1 x 1.6 in] |  |
| Cover | 80 x 30 mm[3.1 x 1.2 in] | 80 x 30 mm[3.1 x 1.2 in] |
| Sight glass | Borosilicate, reflex per DIN 7081 |  |
| Max. operating pres - sure | 40 bar [580.2 psi] 1) (indicator must be included in the pressure test for the vessel) |  |
| Temperature range | -10 ...+243 °C [+14 …469.4 °F] (steam) -10 ...+300 °C [+14 …572 °F] | -196 ...+243 °C [-320.8 …+469.4 °F] (steam) -196 ...+300 °C [-320.8 …+572 °F] |
| Overall length GL | Visible length SL + 43 mm[1.7 in] |  |
| Glass size | 2 ... 9 (larger on request) |  |
| Number of segments | 1 |  |

### Specifications

| Material | Steel A350 LF2, nitrocarburised |
|---|---|
| Gauge body | 40 x 40 mm[1.6 x 1.6 in] |
| Cover | 80 x 34 mm[3.1 x 1.2 in] |
| Sight glass | Borosilicate, transparent per DIN 7081 (option: Mica design) |
| Max. operating pres - sure | 100 bar [1,450.4 psi] 1) |
| Temperature range | -40 ...+243 °C [-40 …+469.4 °F] (steam, without mica design) -40 ...+300 °C [-40 …+572 °F] (steam, with mica design) -40 ...+300 °C [-40 …+572 °F] |
| Process connections | ■ Male thread 1/2 NPT, 3/4 NPT ■ Weld stub 1/2", 3/4" ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 100 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 600 |
| Centre-to-centre dis- tanceM | Freely selectable, min. visible length SL + 180 mm[7 in] |
| Vent | Plug 1/2 NPT (option:Valve) |
| Drain | Plug 1/2 NPT (option:Valve) |
| Glass size | 4 ... 9 |
| Number of segments | 1 ... 5 |
| Suitable valve heads |  |
| Handwheel | Model LGV-33 (PN 250) |

| Specifications | Steel version | Stainless steel version |
|---|---|---|
| Material | Steel 1.5415 (15Mo3) | Stainless steel 1.4404 (316L) |
| Other materials on request |  |  |
| Gauge body | 200 x 40 mm[5.5 x 1.6 in] |  |
| Cover | Pressure frame |  |
| Sight glass | Borosilicate, transparent per DIN 7081 |  |
| Max. operating pres - sure | 250 bar [3625.9 psi] 1) |  |
| Temperature range | -10 ...+100 °C [+14 …212 °F] | -196 ...+100 °C [-320.8 …+212 °F] |
| Process connections | ■ Male thread 1/2 NPT, 3/4 NPT ■ Weld stub 1/2", 3/4" ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 250 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 1,500 |  |
| Centre-to-centre dis- tanceM | ■ Freely selectable, min. visible length SL + 180 mm[7 in] (with mounted valve head model LGV-53) ■ Freely selectable, visible length SL ≤ M(with mounted valve heads model LGV-51, LGV-52) |  |
| Vent | Plug G3/8 (option:Weld stub, flange, valve or ball valve) |  |
| Drain | Plug G3/8 (option:Weld stub, flange, valve or ball valve) |  |
| Glass size | 2 ... 9 |  |
| Number of segments | 1 ... 5 |  |
| Suitable valve heads |  |  |
| Handwheel | Model LGV-51, LGV-52, LGV-53 |  |

| Specifications | Steel version | Stainless steel version |
|---|---|---|
| Material | Steel 1.0570, A350 LF2 | Stainless steel 1.4404 (316L) |
|  | Other materials on request |  |
| Gauge body | 80 x 40 mm[3.1 x 1.6 in] |  |
| Cover | 80 x 30 mm[3.1 x 1.2 in] | 80 x 30 mm[3.1 x 1.2 in] |
| Sight glass | Borosilicate, transparent per DIN 7081 (option: Mica design) |  |
| Max. operating pressure | 40 bar [580.2 psi] 1) (indicator must be included in the pressure test for the vessel) |  |
| Temperature range | -10 ...+243 °C [-14 …+469.4 °F] 2) -10 ...+300 °C [-14 …+572 °F] 3) -10 ...+300 °C [-14 …+572 °F] | -196 ...+243 °C [-320.8 …+469.4 °F] 2) -196 ...+300 °C [-320.8 …+572 °F] 3) -196 ...+300 °C [-320.8 …+572 °F] |
| Overall length GL | Visible length SL + 43 mm[1.7 in] |  |
| Glass size | 2 ... 9 (larger on request) |  |
| Number of segments | 1 |  |

| Specifications | Version without valve | Version with valve |
|---|---|---|
| Material | Stainless steel 1.4571 | Stainless steel 1.4571 or brass 2.0401 |
| Other materials on request |  |  |
| Sight glass | Glass tube, borosilicate, diameter 13 mm[0.5 in] |  |
| Max. operating pressure | 10 bar [145 psi] 1) |  |
| Temperature range | -10 ...+80 °C [+14 …176 °F] (with plexi protective cover) -10 ...+150 °C [+14 …302 °F] | -10 ...+200 °C [+14 …392 °F] |
| Process connections | ■ Male thread G1/2 ■ Flange DIN EN 1092-1 DN 15 ...DN 50, PN 16 ... 40 ■ Flange ASME 16.5: 1/2 ... 2 " , Class 150 ... 300 |  |
| Centre-to-centre distance M | 110 ... 1,200 mm[4.3 …47.2 in] Visible length SL + 70 mm[2.8 in] | 150 ... 1,200 mm[5.9 …47.2 in] Visible length SL + 110 mm[4.3 in] |
| Vent | Plug G3/8 | Plug G3/8 |
| Drain | Plug G3/8 | 1.4571: Plug G3/8 , 2.0401: Plug G1/4 |
| Glass size | Centre-to-centre distance M- 20 mm[0.78 in] | Centre-to-centre distance M- 65 mm[2.6 in] |
| Number of segments | 1 |  |
| Suitable valve heads |  |  |
| Glass tube fitting | Model LGV-04 | Model LGV-05 |

### Specifications

| Material | Stainless steel 1.4571(316Ti) |
|---|---|
| Other materials on request |  |
| Sight glass | Glass tube, borosilicate, diameter 16 mm[0.6 in] |
| Max. operating pressure | 25 bar [362.6 psi] 1) |
| Temperature range | -10 ...+200 °C [+14 …392 °F] |
| Process connections | ■ Male thread G1/2, 1/2 NPT ■ Flange DIN EN 1092-1 DN 15 ...DN 50, PN 16 ... 40 ■ Flange ASME 16.5: 1/2 ... 2 " , Class 150 ... 300 |
| Centre-to-centre distance M | 150 ... 4,500 mm[5.9 …177.2 in], visible length SL + 130 mm[5.1 in] |
| Vent | Plug |
| Drain | Plug |
| Glass size | 150 ... 4,500 mm[5.9 …177.2 in] (use interposing gauge body from 1,500 mm[59.1 in]) |
| Number of segments | 1 ... 3 |
| Suitable valve heads |  |
| Handwheel | Model LGV-01 |
| Quick closing lever | Model LGV-03 |

### Specifications

| Material | Steel 1.5415 (15Mo3) |
|---|---|
| Other materials on request |  |
| Gauge body | 200 x 40 mm[5.5 x 1.6 in] |
| Cover | Pressure frame |
| Sight glass | Mica package (sight glass separation 120 mm[4.7 in]) |
| Max. operating pres - sure | 250 bar [3625.9 psi] 1) |
| Temperature range | -10 ...+374 °C [+14 …705.2 °F] |
| Process connections | ■ Flange DIN EN 1092-1:DN 15 ... 50, PN 16 ... 250 ■ Flange ASME 16.5: 1/2 ... 2", Class 150 ... 2,500 |
| Centre-to-centre dis- tanceM | Freely selectable, min. visible length SL + 80 mm[3.1 in] |
| Vent | Plug G1/2 (option:Weld stub, flange, valve or ball valve) |
| Drain | Plug G1/2 (option:Weld stub, flange, valve or ball valve) |
| Glass size | 2 ... 11 |
| Number of segments | 1 ... 9 |
| Suitable valve heads |  |
| Handwheel and quick closing lever | ■ Model LGV-18 (PN 160) ■ Model LGV-19 (PN 250) |

| Specifications | 2 |
|---|---|
| Materials |  |
| Valve body | Stainless steel |
| Head piece | Stainless steel |
| Construction | Machined |
| Pressure range | PN 25 |
| Operation | Handwheel |
| Mount | Top/bottom |
| Connection to gauge body | Glass tube 16 |
| Rotatable | Yes |
| Thruway | Offset |
| Seat position | Inline |
| Valve stem thread | Internal |
| Drain | Yes |
| Ball-check valve | Yes |

| Specifications | 2 |
|---|---|
| Materials |  |
| Valve body | Stainless steel |
| Head piece | Stainless steel |
| Construction | Machined |
| Pressure range | PN 25 |
| Operation | Quick closing lever |
| Mount | Top/bottom |
| Connection to gauge body | Glass tube 16 |
| Rotatable | Yes |
| Thruway | Offset |
| Seat position | Inline |
| Valve stem thread | Internal |
| Drain | Yes |
| Ball-check valve | Yes |

| Specifications | 2 |
|---|---|
| Valve body material | Stainless steel 1.4571 |
| Construction | Weld-in |
| Pressure range | PN 25 |
| Operation | Without |
| Mount | Top/bottom |
| Connection to gauge body | Glass tube 13.5 |
| Rotatable | Yes |
| Thruway | Angled |
| Seat position | Without |
| Valve stem thread | Without |
| Drain | Yes, G3/8 |
| Ball-check valve | No |

| Specifications | 2 |
|---|---|
| Materials |  |
| Valve body | ■ Brass 2.0401 ■ Stainless steel 1.4571 |
| Head piece | Stainless steel |
| Construction | Machined |
| Pressure range | PN 10 |
| Operation | Handwheel |
| Mount | Top/bottom |
| Connection to gauge body | Glass tube 13.5 |
| Rotatable | Yes |
| Thruway | Angled |
| Seat position | Inline |
| Valve stem thread | Internal |
| Drain | Yes, 1.4571: G3/8, 2.0401: G1/4 |
| Ball-check valve | No |

| Specifications | 2 |
|---|---|
| Materials |  |
| Valve body | Steel 15Mo3 |
| Head piece | Stainless steel |
| Construction | Forged |
| Pressure range | PN 160 |
| Operation | Double handwheel/double lever |
| Mount | Lateral |
| Connection to gauge body | Flanged |
| Rotatable | No |
| Thruway | Angled |
| Seat position | Inline |
| Valve stem thread | Internal |
| Drain | No |
| Ball-check valve | Yes |

## Documents

- [ds_lm3301_en_co_1fee10](https://avigan.com.ua/wika/docs/wika/ds_lm3301_en_co.pdf) — PDF, 4389 KB, en
