# Реле тиску з манометричною трубкою Бурдона — BWX

> Реле тиску з манометром Бурдона в корпусі з нержавіючої сталі, для застосувань, критичних до безпеки, у важких умовах експлуатації, з опціями для вибухозахисту з іскробезпечною конструкцією та сертифікації SIL.

- Код каталогу: bwx
- Модель: BWX
- Категорія: Вимірювання тиску › Pressure switches
- Сторінка товару: https://avigan.com.ua/wika/uk/products/bwx
- Ціна: за запитом
- Постачальник: AVIGAN (ТОВ «ВІКА Прилад»), офіційний партнер WIKA в Україні

## Опис

Особливо для застосувань, де критично важлива безпека, ці високоякісні реле тиску були розроблені.

## Застосування

- Pressure monitoring and control of processes
- Safety-critical applications in general process instrumentation, especially in the chemical and petrochemical industries, oil and gas industries, power generation incl. nuclear power plants, water/wastewater industries, mining
- For gaseous and liquid, aggressive and highly viscous or contaminated media, also in aggressive environments

## Особливості

- Robust switch enclosure from 316L, IP66, NEMA 4X
- Setting ranges from 0 ... 2.5 bar up to 0 ... 1,000 bar, vacuum ranges
- Intrinsic safety Ex ia available
- Switch point repeatability < 0.5 %
- 1 or 2 independent switch points, high switching power up to AC 250 V, 20 A, no supply voltage needed

## Технічні характеристики

| Параметр | Значення |
|---|---|
| model | BWX |
| product family | BWX |
| short description | Bourdon tube pressure switch with stainless steel housing, for safety-critical applications in harsh environments, with options for intrinsic safety and SIL certification. |
| subcategory | Pressure Switch |
| certifications | RoHS; UKCA; EAC; PED; ATEX; IECEx; CCC; KC; ECAS; CE |
| explosion protection | Ex ia I Ma; Ex ia IIIC T85°C/T135°C Da IP66; Ex ia IIC T6/T4; Ex ia IIC T6/T4 Ga |
| safety integrity level | SIL 2-qualified, SIL 3-qualified |
| ambient temp | -60 … 85 °C |
| ip rating | IP66 |
| weight kg | 2 |
| languages in datasheet | en |
| pressure ranges | -1 … 1.5 bar; -1 … 5 bar; -1 … 15 bar; 0 … 2.5 bar; 0 … 6 bar; 0 … 16 bar; 0 … 40 bar; 0 … 100 bar; 0 … 160 bar; 0 … 250 bar; 0 … 400 bar; 0 … 600 bar; 0 … 1000 bar |
| accuracy class | ≤ 0.5 % of span |
| accuracy standard | IEC 61298-2:2008 |
| process connections | ¼NPT, female thread; ½NPT, female thread via adapter; ½NPT, male thread via adapter; G¼, female thread via adapter; G½A, male thread via adapter; G¼A, male thread via adapter; 1/4 NPT, female thread; 1/2 NPT, female thread via adapter; 1/2 NPT, male thread via adapter; G 1/4, female thread via adapter; G 1/2 A, male thread via adapter; G 1/4 A, male thread via adapter |
| case material | Stainless steel 316L |
| wetted parts material | Stainless steel AISI 316L; Stainless steel 17-4PH (1.4542); Monel 400; 17-4PH® (1.4542); Monel® 400; Inconel 718 (2.4668) |
| process temp | -40 … 85 °C |
| electrical connection | ½NPT female thread, M20 x 1.5 female thread, ¾NPT, G½, G¾, M20 x 1.5, cable gland non-armoured nickel-plated brass, cable gland non-armoured stainless steel (AISI 304), cable gland armoured nickel-plated brass, cable gland armoured stainless steel (AISI 304), MIL connector 7-pin DTL 5015 |
| switching function | 1 x SPDT, 2 x SPDT, 1 x DPDT |
| switching contacts | 2 |

## Таблиці з даташита

| Basic information | 2 |
|---|---|
| Version | Bourdon tube pressure switch |
| Special design feature | ■ Version for hazardous areas (Ex ia) ■ For oxygen, oil- and grease-free ■ Per NACE 1) MR0175 / ISO 15156, use in H₂S-containing environments in oil and gas production ■ Per NACE 1) MR0103 / ISO 17945, metals resistant to sulphide stress cracking ■ Version for hydrogen (H 2 ) applications ■ Drying of wetted parts ■ Offshore version ■ Tropical version (suitable for environments with increased air humidity) ■ Version for ammonia applications ■ Geothermal version ■ Low-temperature version to -60 °C ■ Assembled as a diaphragm seal system |
| Contact version | →See table &#x27;Contact version&#x27; |
| Function | ■ 1 x SPDT (single pole double throw) ■ 2 x SPDT (single pole double throw) ■ 1 x DPDT (double pole double throw) The DPDT function is realised with 2 simultaneously triggering SPDT microswitches, within 0.2 %of span. |
| Dead band | ■ 1 or 2 contacts with fixed dead band ■ 1 or 2 contacts with adjustable dead band ■ 1 contact with fixed dead band and 1 contact with adjustable dead band |
| Dielectric strength | Safety class I (IEC 61298-2: 2008) |
| Switch enclosure |  |
| Design | Case cover with bayonet lock, protection against unauthorised access by lead sealing possible. Laser-engraved product label from stainless steel. |
| Material | Stainless steel 316L |
| Mounting 2) | ■ Direct mounting ■ Wall bracket from stainless steel AISI 304 ■ Mounting bracket for 2" pipe mounting from stainless steel AISI 304 |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Contact version | Electrical rating (resistive load) | Suitable for Ex ia option |  |  |
|  |  | AC | DC |  |
| With fixed dead band |  |  |  |  |
| UN | 1 x SPDT, silver | 250 V, 15 A | 24 V, 2 A, 125 V, 0.5 A, 220 V, 0.25 A | No |
| US | 1 x SPDT, silver, hermetically sealed, argon gas filling 1) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A | Yes |
| UO | 1 x SPDT, gold-plated, hermetically sealed, argon gas filling 1) | 125 V, 1 A | 24 V, 0.5 A | Yes |
| UG | 1 x SPDT, gold-plated | 125 V, 1 A | 24 V, 0.5 A | Yes |
| DN | 2 x SPDT or 1 x DPDT, silver | 250 V, 15 A | 24 V, 2 A, 125 V, 0.5 A, 220 V, 0.25 A | No |
| DS | 2 x SPDT or 1 x DPDT, silver, hermetically sealed, argon gas filling 1) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A | Yes |
| DO | 2 x SPDT, or 1 x DPDT gold-plated, hermetically sealed, argon gas filling 1) | 125 V, 1 A | 24 V, 0.5 A | Yes |
| DG | 2 x SPDT or 1 x DPDT, gold-plated | 125 V, 1 A | 24 V, 0.5 A | Yes |
| With adjustable dead band |  |  |  |  |
| UR | 1 x SPDT, silver | 250 V, 20 A | 24 V, 2 A, 220 V, 0.5 A | Yes 2) |
| RR 3) | 2 x SPDT or 1 x DPDT, silver | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A | Yes 2) |

### Accuracy specifications

| Set point repeatability | ≤ 0.5 %of span of setting range |
|---|---|
| Dead band | →See table &#x27;Setting range&#x27; |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Setting range (=working range) | Proof pressure | Fixed dead band | Adjustable dead band |  |
| in bar | in bar | 1 contact UN, US, UO, UG in bar | 2 contacts DN, DS, DO, DG in bar | 1 contact UR in bar |
| -1 ... +1.5 | 4.5 | ≤ 0.15 | ≤ 0.30 | 0.35 ... 1.10 |
| -1 ... +5 | 12 | ≤ 0.20 | ≤ 0.30 | 0.55 ... 1.70 |
| -1 ... +15 | 30 | ≤ 0.30 | ≤ 0.40 | 1.40 ... 3.10 |
| 0 ... 2.5 | 4.5 | ≤ 0.15 | ≤ 0.30 | 0.35 ... 1.10 |
| 0 ... 6 | 12 | ≤ 0.20 | ≤ 0.30 | 0.55 ... 1.70 |
| 0 ... 16 | 30 | ≤ 0.30 | ≤ 0.40 | 1.40 ... 3.10 |
| 0 ... 40 | 75 | ≤ 0.60 | ≤ 0.70 | 2.10 ... 6.00 |
| 0 ... 100 | 160 | ≤ 2 | ≤ 2 | 6 ... 17 |
| 0 ... 160 | 210 | ≤ 3 | ≤ 3 | 13 ... 35 |
| 0 ... 250 | 330 | ≤ 5 | ≤ 5 | 21 ... 65 |
| 0 ... 400 | 480 | ≤ 8 | ≤ 8 | 26 ... 93 |
| 0 ... 600 | 720 | ≤ 12 | ≤ 12 | 40 ... 115 |
| 0 ... 1,000 1) | 1,200 | ≤ 20 | ≤ 30 | 75 ... 190 |

| Process connection | 2 |
|---|---|
| Standard | ■ ANSI/ASME B1.20.1 ■ DIN EN ISO 228 |
| Size |  |
| ANSI/ASME B1.20.1 | ■ ¼NPT, female thread ■ ½NPT, female thread via adapter ■ ½NPT, male thread via adapter |
| DIN EN ISO 228 | ■ G¼, female thread via adapter ■ G½A,male thread via adapter ■ G¼A,male thread via adapter |
| Material (wetted) |  |
| Sensor element | Depending on the selected version |
| Process connection | →See table &#x27;Wetted parts&#x27; |

### Wetted parts

| Version | Bourdon tube | Process connection |
|---|---|---|
| Standard | Stainless steel AISI 316L |  |
| Setting range: 0 ... 1,000 bar | Stainless steel 17-4PH  (1.4542) | Stainless steel AISI 316L |
| NACE Setting range: 0 ... 40 to 0 ... 400 bar | Monel  400 | Stainless steel AISI 316L |
| Monel  Setting range: 0 ... 40 to 0 ... 400 bar | Monel  400 |  |

### Electrical connection

| Connection type | ■ Female thread½NPT ■ Female thread M20 x 1.5 ■ Female thread ¾NPT, G½, G¾, M20 x 1.5 ■ Cable gland non-armoured, nickel-plated brass ■ Cable gland non-armoured, stainless steel (AISI 304) ■ Cable gland armoured, nickel-plated brass ■ Cable gland armoured, stainless steel (AISI 304) ■ MIL connector, 7-pin, DTL 5015 |
|---|---|
| Wire cross-section | Use 0.5 ... 1.5 mm² (20 ... 16 AWG) for internal terminal block (also suitable for cable lugs). For the grounding cable connection to the protective conductor use max. 4 mm² for the internal and external screw. |
| Pin assignment | Connection details are given on the product label of the instrument. Connection terminals and the ground terminal are appropriately marked. |

### Operating conditions

| Medium temperature range | -40 ...+85 °C |
|---|---|
| Ambient temperature range | T6/T85°C T a -60 ...+60 |
|  | T4/T135°C T a -60 ...+85 |
|  | Non-Ex versions ■ -40 ...+85 °C |
| Ingress protection of the complete instrument | IP66 per EN/IEC 60529 (NEMA 4X) |
| Weight | Approx. 2.0 kg |

| Logo | Description | Region |
|---|---|---|
|  | EU declaration of conformity | European Union |
|  | Pressure equipment directive PED, annex 1, category IV, safety accessories, module B + D |  |
|  | Low voltage directive |  |
|  | RoHS directive |  |

| Logo | Description | Region |
|---|---|---|
|  | EU declaration of conformity | European Union |
|  | ATEX directive 1) IM1 II1GD |  |
|  | IECEx 1) Ex ia I Ma Ex ia IIC T6/T4 2) Ga Ex ia IIIC T85°C/T135°C 2) Da IP66 | International |
|  | UKCA | United Kingdom |
|  | Pressure equipment (safety) regulations |  |
|  | Electrical equipment designed for use within certain voltage limits in support of the electrical equipment (safety) regulations |  |
|  | Restriction of hazardous substances (RoHS) regulations |  |
|  | Equipment and protective systems intended for use in potentially explosive atmospheres regulations 1) |  |
|  | EAC | Eurasian Economic Community |
|  | Low voltage directive (applies only for non-Ex versions) |  |
|  | Hazardous areas 1) |  |
|  | Ex Ukraine Hazardous areas 1) | Ukraine |
|  | CCC Hazardous areas 1) | China |
|  | KCs Hazardous areas 1) | South Korea |
| - | ECAS Hazardous areas 1) | United Arab Emirates |

| Logo | Description |
|---|---|
| SIL3 IEC 61508 / IEC 61511 | SIL 3-capable (option) Functional safety per IEC 61508 Contains performance level calculation per ISO 13849-1 |

### 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. indication accuracy) |
|---|---|
| Recommended calibration interval | 1 year (dependent on conditions of use) |

### Safety-related characteristic values (Ex)

| Voltage | Ui = DC 30V |
|---|---|
| Current | Ii = 100mA |
| Power | P i = 750mW |
| Effective internal capacitance | Ci = 0 μF |
| Effective internal inductance | Li=0mH |

| Model | 2 | Description |
|---|---|---|
|  | 910.15 | Syphons →See data sheet AC 09.06 |
|  | 910.13 | Overpressure protector →See data sheet AC 09.04 |
|  | IV10, IV11 | Needle valve and multiport valve →See data sheet AC 09.22 |
|  | IV20, IV21 | Block-and-bleed valve →See data sheet AC 09.19 |
|  | IVM | Monoflange, process and instrument version →See data sheet AC 09.17 |
|  | BV | Ball valve, process and instrument version →See data sheet AC 09.28 |

## Документація

- [ds_pv3220_en_co_4b997b](https://avigan.com.ua/wika/docs/wika/ds_pv3220_en_co.pdf) — PDF, 865 KB, en
