# Bourdon tube pressure gauge — 26X.50

> Bourdon tube pressure gauge, Monel version, for aggressive media and environments

- Catalog code: 26x_50
- Model: 26X.50
- Category: Pressure measurement › Pressure gauges
- Product page: https://avigan.com.ua/wika/en/products/26x_50
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

The models 262 and 263 are high-quality Bourdon tube pressure gauges with wetted parts from extremely corrosion-resistant Monel. The use of high-quality ...

## Applications

- For gaseous and liquid aggressive media that are not highly viscous or crystallising, also in aggressive environments
- Oil and gas industry, chemical and petrochemical industries, power engineering and also water and wastewater technology
- Sour gas applications, also with NACE requirement

## Special features

- With case filling (model 263) for applications with high dynamic pressure loads and vibrations
- Models 262.30 and 263.30: safety version with solid baffle wall (Solidfront) designed in accordance with the requirements of EN 837-1 and ASME B40.100
- Suitability for particularly aggressive media, due to very high corrosion resistance
- EMICOgauge version, to avoid fugitive emissions
- QR code on dial links to instrument-specific information

## Specifications

| Parameter | Value |
|---|---|
| model | 262.50 |
| product family | 262 |
| short description | Bourdon tube pressure gauge, Monel version, for aggressive media and environments |
| subcategory | Mechanical pressure gauge |
| certifications | UKCA; CRN; DNV; NACE MR0175/ISO 15156; CE |
| explosion protection | II 2G Ex h IIC T6 ... T1 Gb X; II 2D Ex h IIIC T85°C ... T450°C Db X |
| ambient temp | -40 … 60 °C |
| ip rating | IP65 |
| weight kg | 0.6 |
| languages in datasheet | en; de |
| pressure ranges | 0 … 0.6 bar; 0 … 1 bar; 0 … 1.6 bar; 0 … 2.5 bar; 0 … 4 bar; 0 … 6 bar; 0 … 10 bar; 0 … 16 bar; 0 … 25 bar; 0 … 1000 bar; -1 … 0 bar; -1 … 3 bar; 0 … 40 bar; 0 … 60 bar; 0 … 100 bar; 0 … 160 bar; 0 … 250 bar; 0 … 400 bar; 0 … 600 bar; -1 … 9 bar; -1 … 15 bar; -1 … 24 bar; -1 … 0.6 bar; -1 … 1.5 bar; 0 … 0.06 MPa; 0 … 0.1 MPa; 0 … 0.16 MPa; 0 … 0.25 MPa; 0 … 0.4 MPa; 0 … 0.6 MPa; 0 … 1 MPa; 0 … 1.6 MPa; 0 … 2.5 MPa; 0 … 10 kPa; 0 … 16 kPa; 0 … 25 kPa; 0 … 40 kPa; 0 … 60 kPa; 0 … 100 kPa; 0 … 160 kPa; 0 … 250 kPa; 0 … 400 kPa; 0 … 600 kPa; 0 … 1000 kPa; 0 … 1600 kPa; 0 … 2500 kPa; 0 … 10 psi; 0 … 15 psi; 0 … 30 psi; 0 … 60 psi; 0 … 100 psi; 0 … 160 psi; 0 … 200 psi; 0 … 300 psi; 0 … 400 psi; 0 … 600 psi; 0 … 800 psi; 0 … 1000 psi; 0 … 1500 psi; 0 … 2000 psi; 0 … 3000 psi; 0 … 4000 psi; 0 … 5000 psi; 0 … 6000 psi; 0 … 7500 psi; 0 … 10000 psi; 0 … 15000 psi |
| accuracy class | 1.0 |
| accuracy standard | EN 837-1 |
| process connections | M12 x 1.5; M20 x 1.5; R ¼; R ½; G ⅛ B; G ¼ B; G ½ B; ¼ NPT; ½ NPT; G⅛B; G¼B; G½B; ¼NPT; ½NPT; G 1/8 B, male thread; G 1/4 B, male thread; G 1/2 B, male thread; M12 x 1.5, male thread; M20 x 1.5, male thread; R 1/4, male thread; R 1/2, male thread; 1/4 NPT, male thread; 1/2 NPT, male thread |
| case material | Stainless steel 1.4301 (304); Stainless steel 1.4571 (316Ti); 1.4301 (304); 1.4571 (316Ti) |
| wetted parts material | Monel 400 (2.4360) |
| sealing material | FKM; PEEK |
| dial size mm | 100 |
| process temp | -40 … 200 °C |
| case filling | optional |

## Datasheet tables

| Basic information | 2 |
|---|---|
| Standard | ■ EN 837-1 ■ ASME B40.100 |
| For information on the 'Selection, installation, handling and operation of pressure gauges', see technical information IN 00.05. |  |
| Further version | ■ For oxygen, oil- and grease-free ■ Per NACE 1) MR0175 / ISO 15156, use in H₂S-containing environments in oil and gas production ■ With pre-volume deflagration flame arrester 2) for mounting to zone 0 (EPL Ga); model 910.21; see data sheet AC 91.02 ■ EMICOgauge, to avoid fugitive emissions; instrument hook-up with instrumenta- tion valves →See page 10 |
| Nominal size (NS) | ■ Ø63 mm[2 ½"] ■ Ø100 mm[4"] ■ Ø160 mm[6"] |
| Connection location | ■ Lower mount (radial) ■ Lower back mount 3) |
| Window | Laminated safety glass (NS 63 [2 ½"]: polycarbonate) |
| Case |  |
| Model 262.50, 263.50 | Safety level 'S1' per EN 837-1: with blow-out device |
| Model 262.30, 263.30 | Safety level 'S3' per EN 837-1: with solid baffle wall and blow-out back |
| Internal pressure compensation | For scale ranges ≤ 0 ...16 bar [≤ 0 ...300 psi] the case can be vented and resealed |
| Material | ■ Stainless steel 1.4301 (304) ■ Stainless steel 1.4571 (316Ti) |
| Ring | Bayonet bezel, stainless steel |
| Mounting | ■ Without ■ Panel mounting flange, stainless steel ■ Panel mounting flange, polished stainless steel ■ Model 262.50, 263.50: surface mounting flange, stainless steel ■ Model 262.30, 263.30: surface mounting lugs on the back, stainless steel |
| Case filling (model 263.50, 263.30) | ■ Without ■ Glycerine ■ Glycerine-water mixture for NS 100 [4"] and 160 [6"] with scale range ≤ 0 ... 2.5 bar [≤ 0 ... 40 psi] or for NS 63 [2 ½"] with scale range ≤ 0 ... 4 bar [≤ 0 ... 60 psi] ■ Silicone oil |
| Movement | ■ Stainless steel ■ everlast ® version |

### Measuring element

| Type of measuring element | Bourdon tube, C-type or helical type |
|---|---|
| Material | Monel 400 (2.4360) |
| Leak tightness | ■ Helium tested, leakage rate: < 5∙10 -3 mbar l/s ■ Helium tested, leakage rate: < 1∙10 -6 mbar l/s |

### Accuracy specifications

| Accuracy class | 2 | 3 |
|---|---|---|
| NS 63 [2 ½"] | EN 837-1 | Class 1.6 |
|  | ASME B40.100 | ±2 %of measuring span (grade A) |
| NS 100 [4"], 160 [6"] | EN 837-1 | Class 1.0 |
|  | ASME B40.100 | ±1 %of measuring span (grade 1A) |
| Temperature error | On deviation from the reference conditions at the measuring system: ≤ ±0.4 %per 10 °C [≤ ±0.4 %per 18 °F] of full scale value |  |
| Reference conditions |  |  |
| Ambient temperature | +20 °C [68 °F] |  |

| bar | 2 |
|---|---|
| 0 ... 0.6 1) | 0 ... 40 |
| 0 ... 1 | 0 ... 60 |
| 0 ... 1.6 | 0 ... 100 |
| 0 ... 2.5 | 0 ... 160 |
| 0 ... 4 | 0 ... 250 |
| 0 ... 6 | 0 ... 400 |
| 0 ... 10 | 0 ... 600 |
| 0 ... 16 | 0 ... 1,000 |
| 0 ... 25 | - |

### kPa

| 0 ... 60 1) | 0 ... 4,000 |
|---|---|
| 0 ... 100 | 0 ... 6,000 |
| 0 ... 160 | 0 ... 10,000 |
| 0 ... 250 | 0 ... 16,000 |
| 0 ... 400 | 0 ... 25,000 |
| 0 ... 600 | 0 ... 40,000 |
| 0 ... 1,000 | 0 ... 60,000 |
| 0 ... 1,600 | 0 ... 100,000 |
| 0 ... 2,500 | - |

| psi | 2 |
|---|---|
| 0 ... 10 1) | 0 ... 1,000 |
| 0 ... 15 | 0 ... 1,500 |
| 0 ... 30 | 0 ... 2,000 |
| 0 ... 60 | 0 ... 3,000 |
| 0 ... 100 | 0 ... 4,000 |
| 0 ... 160 | 0 ... 5,000 |
| 0 ... 200 | 0 ... 6,000 |
| 0 ... 300 | 0 ... 7,500 |
| 0 ... 400 | 0 ... 10,000 |
| 0 ... 600 | 0 ... 15,000 |
| 0 ... 800 | - |

### kg/cm 2

| 0 ... 0.6 1) | 0 ... 40 |
|---|---|
| 0 ... 1 | 0 ... 60 |
| 0 ... 1.6 | 0 ... 100 |
| 0 ... 2.5 | 0 ... 160 |
| 0 ... 4 | 0 ... 250 |
| 0 ... 6 | 0 ... 400 |
| 0 ... 10 | 0 ... 600 |
| 0 ... 16 | 0 ... 1,000 |
| 0 ... 25 | - |

### MPa

| 0 ... 0.06 1) | 0 ... 4 |
|---|---|
| 0 ... 0.1 | 0 ... 6 |
| 0 ... 0.16 | 0 ... 10 |
| 0 ... 0.25 | 0 ... 16 |
| 0 ... 0.4 | 0 ... 25 |
| 0 ... 0.6 | 0 ... 40 |
| 0 ... 1 | 0 ... 60 |
| 0 ... 1.6 | 0 ... 100 |
| 0 ... 2.5 | - |

| bar | 2 |
|---|---|
| -0.6 ... 0 1) | -1 ...+5 |
| -1 ... 0 | -1 ...+9 |
| -1 ... +0.6 | -1 ...+15 |
| -1 ... +1.5 | -1 ...+24 |
| -1 ...+3 | - |

### kPa

| -60 ... 0 1) | -100 ...+500 |
|---|---|
| -100 ... 0 | -100 ...+900 |
| -100 ...+60 | -100 ... +1,500 |
| -100 ...+150 | -100 ... +2,400 |
| -100 ...+300 | - |

| Further details on: Scale ranges | 2 |
|---|---|
| Unit | ■ bar ■ psi ■ kg/cm² ■ kPa ■ MPa |
| Increased overload safety | ■ Without ■ 2 times ■ 3 times ■ 4 times ■ 5 times |
| Vacuum resistance | ■ Without ■ Vacuum-resistant to -1 bar |
| Dial |  |
| Scale colour | Black |
| Material | Aluminium |
| Customer-specific version | Other scales or customer-specific dials, e.g. with red mark, circular arcs or circular sectors, on request |
| Pointer |  |
| Instrument pointer | Aluminium, black |
| Mark pointer / Drag pointer | ■ Without ■ Red mark pointer on dial, fixed ■ Red mark pointer on window, adjustable ■ Mark pointer on bayonet bezel, adjustable ■ Red drag pointer on window, adjustable |
| Pointer stop pin | ■ Without ■ At zero point (only for NS 63 [2 ½"]) ■ At 6 o&#x27;clock (only for NS 100 [4"], 160 [6"]) |

### MPa

| -0.06 ... 0 1) | -0.1 ... +0.5 |
|---|---|
| -0.1 ... 0 | -0.1 ... +0.9 |
| -0.1 ... +0.06 | -0.1 ... +1.5 |
| -0.1 ... +0.15 | -0.1 ... +2.4 |
| -0.1 ... +0.3 | - |

### psi

| -30 inHg ... 0 | -30 inHg ...+100 |
|---|---|
| -30 inHg ...+15 | -30 inHg ...+160 |
| -30 inHg ...+30 | -30 inHg ...+200 |
| -30 inHg ...+60 | -30 inHg ...+300 |

| Process connection | 2 |
|---|---|
| Standard | ■ EN 837-1 ■ ISO 7 ■ ANSI/B1.20.1 |
| Size |  |
| EN 837-1 | ■ G⅛B,male thread ■ G¼B,male thread ■ G½B,male thread ■ M12 x 1.5, male thread ■ M20 x 1.5, male thread |
| ISO 7 | ■ R ¼, male thread ■ R ½, male thread |
| ANSI/B1.20.1 | ■ ¼NPT, male thread ■ ½NPT, male thread |
| Restrictor | ■ Without ■ ∅0.6 mm[0.024"], Monel |
| Material (wetted) |  |
| Process connection | Monel 400 (2.4360) |
| Bourdon tube | Monel 400 (2.4360) |

### Operating conditions

| Medium temperature | 2 | 3 |
|---|---|---|
| Instruments without filling | -40 ...+200 °C [-40 ...+392 °F] |  |
| Instruments with glycerine filling | -20 ...+100 °C [-4 ...+212 °F] |  |
| Instruments with silicone oil filling | -40 ...+100 °C [-40 ...+212 °F] |  |
| Ambient temperature |  |  |
| Instruments without filling or with silicone oil filling | -40 ...+60 °C [-40 ...+140 °F] |  |
| Instruments with glycerine filling | -20 ...+60 °C [-4 ...+140 °F] |  |
| Pressure limitation |  |  |
| NS 63 [2 ½"] | Steady | 3/4 x full scale value |
| Fluctuating | 2/3 x full scale value |  |
| Short time | Full scale value |  |
| NS 100 [4"], 160 [6"] | Steady | Full scale value |
| Fluctuating | 0.9 x full scale value |  |
| Short time | 1.3 x full scale value |  |
| Ingress protection per IEC/EN 60529 | ■ IP65 ■ IP66 |  |

| Logo | Description | Region |
|---|---|---|
|  | EU declaration of conformity Pressure Equipment Directive PS > 200 bar, module A, pressure accessory | European Union |
|  | UKCA Pressure equipment (safety) regulations | United Kingdom |
| - | CRN Safety (e.g. electr. safety, overpressure, ...) | Canada |

| Logo | Description | Region |
|---|---|---|
|  | EU declaration of conformity ATEX directive Hazardous areas - Ex h Gas II 2G Ex h IIC T6 ...T1 Gb X Dust II 2D Ex h IIIC T85°C ...T450°C Db X | European Union |
|  | UKCA Equipment and protective systems intended for use in potentially explosive atmospheres regulations | United Kingdom |
|  | EAC Hazardous areas | Eurasian Economic Community |
|  | Ex Ukraine Hazardous areas | Ukraine |
|  | PAC Kazakhstan Metrology, measurement technology | Kazakhstan |
| - | MChS Permission for commissioning | Kazakhstan |
| - | PAC Ukraine Metrology, measurement technology | Ukraine |
|  | PAC Uzbekistan Metrology, measurement technology | Uzbekistan |
| - | PAC China Metrology, measurement technology | China |
|  | DNV Ships, shipbuilding (e.g. offshore) | International |

| Logo | Description |
|---|---|
| - | Emission protection in accordance with TA-Luft (VDI 2440) 1) |
| - | Pressure Equipment Directive (PED) for maximum allowable pressure PS ≤ 200 bar |

### Certificates

| Certificates | ■ 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, indication accuracy) ■ 3.1 inspection certificate per EN 10204 (e.g. material proof for wetted metal parts, indication accuracy) ■ PCA calibration certificate, traceable and accredited in accordance with ISO/IEC 17025 ■ Calibration certificate by a national accreditation body, traceable and accredited in accordance with ISO/IEC 17025 on request |
|---|---|
| Recommended calibration interval | 1 year (dependent on conditions of use) |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| NS | G | Dimensions in mm[in] |  |  |  |  |  |  |  |  |
| h ±1 | a | b | D1 | D2 | i | j | k | SW |  |  |
| 63 [2 ½"] | G¼B | 54 [2.13] | 9.5 [0.37] | 33 [1.30] | 63 [2.48] | 62 [2.44] | 6 [0.24] | 10 [0.39] | 15 [0.59] | 14 [0.55] |
| G⅛B | 51 [2.01] | 9.5 [0.37] | 33 [1.30] | 63 [2.48] | 62 [2.44] | 6 [0.24] | 10 [0.39] | 15 [0.59] | 14 [0.55] |  |
| M12 x 1.5 | 54 [2.13] | 9.5 [0.37] | 33 [1.30] | 63 [2.48] | 62 [2.44] | 6 [0.24] | 10 [0.39] | 15 [0.59] | 14 [0.55] |  |
| 100 [4"] | G¼B | 80 [3.15] | 15.5 [0.61] | 49.5 [1.95] | 101 [3.98] | 99 [3.90] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |
| G½B | 87 [3.43] | 15.5 [0.61] | 49.5 [1.95] | 101 [3.98] | 99 [3.90] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |  |
| M12 x 1.5 | 80 [3.15] | 15.5 [0.61] | 49.5 [1.95] | 101 [3.98] | 99 [3.90] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |  |
| M20 x 1.5 | 87 [3.43] | 15.5 [0.61] | 49.5 [1.95] | 101 [3.98] | 99 [3.90] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |  |
| 160 [6"] | G¼B | 111 [4.37] | 15.5 [0.61] | 51.5 [2.03] 1) | 161 [6.34] | 159 [6.26] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |
| G½B | 118 [4.65] | 15.5 [0.61] | 51.5 [2.03] 1) | 161 [6.34] | 159 [6.26] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |  |
| M12 x 1.5 | 111 [4.37] | 15.5 [0.61] | 51.5 [2.03] 1) | 161 [6.34] | 159 [6.26] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |  |
| M20 x 1.5 | 118 [4.65] | 15.5 [0.61] | 51.5 [2.03] 1) | 161 [6.34] | 159 [6.26] | 6.5 [0.26] | 14.5 [0.57] | 22.5 [0.89] | 22 [0.87] |  |

## Documents

- [ds_pm0233_en_co_9acd83](https://avigan.com.ua/wika/docs/wika/ds_pm0233_en_co.pdf) — PDF, 1496 KB, en

## Configurator

This product has an interactive configurator on its product page.

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