# Реле тиску з мембраною — MW

> Діафрагмовий реле тиску для застосувань, критичних до безпеки, у процесних галузях промисловості, придатний для газоподібних і рідких, агресивних та високов’язких або забруднених середовищ.

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

## Опис

Ці високоякісні реле тиску з мембраною розроблені спеціально для застосувань, критичних до безпеки. Велика перевага реле тиску з мембраною ...

## 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

- Case from 316L, IP66, NEMA 4X
- Setting ranges from 16 mbar to 600 bar, also all other equivalent vacuum or combined pressure and vacuum ranges
- Intrinsic safety Ex ia available
- 1 or 2 independent switch points, high switching power up to AC 250 V, 20 A
- Switch point repeatability < 1 %

## Технічні характеристики

| Параметр | Значення |
|---|---|
| model | MW |
| product family | MW |
| short description | Diaphragm pressure switch for safety-critical applications in process industries, suitable for gaseous and liquid, aggressive and highly viscous or contaminated media. |
| subcategory | Diaphragm pressure switch |
| certifications | RoHS; NACE MR0175/ISO 15156; NACE MR0103/ISO 17945; EN 1854; EN 12952; EN 12953; PED; Low voltage directive; UKCA; EAC; Ex Ukraine; CCC; KCs; -ECAS; CE |
| explosion protection | ATEX: II 1 GD; IECEx: Ex ia I Ma, Ex ia IIC T6/T42, Ex ia IIIC T85°C/T135°C2 Da; NACE MR0175 / ISO 15156; NACE MR0103 / ISO 17945; EN 1854; EN 12952; EN 12953; Ex ia; Ex ia I Ma; Ex ia IIC T6/T4 Ga; Ex ia IIIC T85℃/T135℃ Da IP66 |
| safety integrity level | SIL 2-qualified or SIL 3-qualified per IEC 61508 / IEC 61513 |
| ambient temp | -60 … 85 °C |
| ip rating | IP66 |
| weight kg | 1 |
| languages in datasheet | en |
| pressure ranges | 0 … 100 mbar; 0 … 600 bar; 0 … 16 mbar; -100 … 0 mbar; -1 … 1.5 bar; -1 … 5 bar; -1 … 9 bar; -1 … 15 bar; 0 … 0.2 bar; 0 … 0.4 bar; 4 … 40 bar; 10 … 100 bar; 10 … 250 bar; 20 … 400 bar; 30 … 600 bar; 0 … 0.016 bar; 0 … 40 bar; 4 … 600 bar; 0 … 0.1 bar |
| accuracy class | Set point repeatability ≤ 1 % of span |
| accuracy standard | IEC 61298-2:2008 |
| process connections | M20x1.5; ¼ NPT, female thread; ½ NPT, female thread via adapter; ½ NPT, male thread via adapter; G ¼, female thread via adapter; G ½ A, male thread via adapter; G ¼ A, male thread via adapter; ASME B16.5; EN 1092-1; ¾ NPT; G ½; G ¾; G 1/2 B; 1/2 NPT; ASME B16.5 Class 150/300/600; EN 1092-1 PN10/40; 1/4 NPT female; 1/2 NPT female (via adapter); 1/2 NPT male (via adapter); G1/4 female (via adapter); G1/2A male (via adapter); G1/4A male (via adapter); ASME B16.5 flange; EN 1092-1 flange |
| case material | Stainless steel 316L |
| wetted parts material | Stainless steel 316; Stainless steel 316L; PTFE; Monel; Hastelloy C276; FPM; NBR |
| sealing material | FPM; NBR; PTFE; welded diaphragm element |
| process temp | -40 … 85 °C |
| electrical connection | Internal terminal block, cable gland (nickel-plated brass or stainless steel), MIL connector 7-pin DTL 5015 |
| switching function | 1 or 2 independent switch points, SPDT or DPDT, fixed or adjustable dead band |
| switching contacts | 2 |

## Таблиці з даташита

| Basic information | 2 |
|---|---|
| Version | Diaphragm 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 compliant with EN 1854, pressure sensing devices for gas burners and gas burning appliances ■ Version compliant with EN 12952 and EN 12953, limiting devices in water- tube and shell boilers ■ 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 ■ Additional protection from stainless steel 316L or Hastelloy for setting ranges 2.5 ... 25 bar |
| 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 |  |  |
|  |  | AC | DC | Ex ia option |
| 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 |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Contact version | Electrical rating (resistive load) | Suitable for Ex ia option |  |  |
|  |  | AC | DC |  |
| 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) |
| With fixed dead band and adjustable dead band |  |  |  |  |
| DR 3) | 2 x SPDT, silver (1 x UN + 1 x UR) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A | Yes 2) |

| 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|
| Sensor element | Model | Wetted parts | Permissible medium 1) |  |  |
|  |  |  | Sensor element | Process connection | temperature |
| Setting range 0 …16mbar to 0 …40bar |  |  |  |  |  |
| XX 2) | Diaphragm element | MWB,MW | Stainless steel 316 3) | Stainless steel 316L | -30 ...+85 °C |
| TX | Diaphragm element | MWB,MW | Stainless steel 316 3) + PTFE 4) | Stainless steel 316L | -30 ...+85 °C |
| TT | Diaphragm element | MWB,MW | Stainless steel 316 3) + PTFE 4) | Stainless steel 316L + PTFE | -30 ...+85 °C |
| KK 2) | Diaphragm element | MWB,MW | Monel 5) | Monel | -30 ...+85 °C |
| KX 2) | Diaphragm element | MWB,MW | Monel 5) | Stainless steel 316L | -30 ...+85 °C |
| Setting range 4 …40bar to 30 …600 bar |  |  |  |  |  |
| GXX 6) | Piston with welded diaphragm element | MWG | Hastelloy C276 | Stainless steel 316L | -40 ...+85 °C |
| HXX 7) | Piston with O-ring sealing from FPM | MWH | Stainless steel 316 | Stainless steel 316L | 0 ... 85 °C |
| Piston with O-ring sealing from NBR | MWH | Stainless steel 316 | Stainless steel 316L | -10 ...+85 °C |  |

### Accuracy specifications

| Set point repeatability | ≤ 1 %of span of setting range |
|---|---|
| Dead band | →See table &#x27;Setting range&#x27; |

### Setting range for modelMWB Span of setting range from 16 mbar to max. 100 mbar

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|
| Standard | Variant 1 | Variant 2 | Dead band |  |  |  |  |  |
| Setting range (= working range) | Proof pressure | Working range | Proof pressure | Working range | Proof pressure | 1 contact, fixed | 2 contacts, fixed | 1 contact, adjustable |
| in mbar | in bar | in bar | in bar | in bar | in mbar | in mbar | in mbar |  |
| 0 ... 16 | 250 | 0 ... 8 | 10 | -1 ... 8 1) | 10 | ≤ 2.0 | ≤ 2.8 | - |
| 0…25 | 250 | 0 ... 8 | 10 | -1 ... 8 1) | 10 | ≤ 2.0 | ≤ 3 | 8 …18 |
| 0…40 | 300 | 0…8 | 10 | -1 ... 8 1) | 10 | ≤ 2.6 | ≤ 3.4 | 8…20 |

### Setting range for modelMWB Span of setting range from 16 mbar to max. 100 mbar

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|
| Standard | Variant 1 | Variant 2 | Dead band |  |  |  |  |  |
| Setting range (= working range) | Proof pressure | Working range | Proof pressure | Working range | Proof pressure | 1 contact, fixed | 2 contacts, fixed | 1 contact, adjustable |
| in mbar |  | in bar | in bar | in bar | in bar | in mbar | in mbar | in mbar |
| 0 ... 60 | 300 | 0…8 | 10 | -1 ... 8 1) | 10 | ≤ 3.0 | ≤ 4.2 | 12…25 |
| 0 ... 100 | 600 | 0…8 | 10 | -1 ... 8 1) | 10 | ≤ 3.6 | ≤ 5 | 17…40 |
| -16 ... 0 | -21 | -1…0 1) | 0.25 | - | - | ≤ 2.0 | ≤ 2.8 | - |
| -25 ... 0 | -35 | -1…0 1) | 0.25 | - | - | ≤ 2.0 | ≤ 3 | 8…18 |
| -40 ... 0 | -55 | -1…0 1) | 0.30 | - | - | ≤ 2.6 | ≤ 3.4 | 8…20 |
| -60 ... 0 | -90 | -1…0 1) | 0.30 | - | - | ≤ 3.0 | ≤ 4.2 | 12…25 |
| -100 ... 0 | -150 | -1…0 1) | 0.40 | - | - | ≤ 3.6 | ≤ 5 | 17…40 |
| -12.5 ... +12.5 | -25 / 250 | - | - | - | - | ≤ 2.0 | ≤ 3 | 8…18 |
| -30 ... +30 | -60 / 250 | - | - | - | - | ≤ 3.0 | ≤ 4.2 | 12…25 |
| -50 ... +50 | -100 / 250 | - | - | - | - | ≤ 3.6 | ≤ 5 | 17…40 |

### Setting range for modelMW Span of setting range from 0.2 bar to max. 40 bar

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|
| Standard | Variant 1 | Variant 2 | Dead band |  |  |  |  |  |
| Setting range (= working range) | Proof pressure | Working range | Proof pressure | Working range | Proof pressure | 1 contact, fixed | 2 contacts, fixed | 1 contact, adjustable |
| in bar | in bar | in bar | in bar | in bar | in mbar | in mbar | in mbar |  |
| 0 ... 0.2 | 0.4 | 0…32 | 40 | -1…32 1) | 40 | ≤ 10 | ≤ 13 | 30 …70 |
| 0 ... 0.4 | 1 | 0…32 | 40 | -1…32 1) | 40 | ≤ 15 | ≤ 20 | 40 ... 95 |
| -0.2 ... 0 | -0.3 | -1…0 1) | -1 | -1 ... 8 | 10 | ≤ 10 | ≤ 13 | 30…70 |
| -0.4 ... 0 | -0.6 | -1…0 1) | -1 | -1 ... 8 | 10 | ≤ 15 | ≤ 20 | 40…95 |
| -0.1 ... + 0.1 | -0.2 / 1 | - | - | - | - | ≤ 10 | ≤ 13 | 30…70 |
| -0.5 ... 0.5 | -1 / 4 | - | - | - | - | ≤ 15 | ≤ 50 | 75 ... 170 |
| -1 ... 0 | -1 | -1…8 | 10 | - | - | ≤ 15 | ≤ 50 | 75 …170 |
| -1 ... 1.5 | 2 | -1…8 | 10 | - | - | ≤ 48 | ≤ 67 | 200 …500 |
| -1 ... 5 | 12 | -1…32 | 40 | -1…80 | 100 2) | ≤ 100 | ≤ 160 | 400 …1,000 |
| -1 ... 9 | 20 | -1…32 | 40 | -1…80 | 100 2) | ≤ 100 | ≤ 180 | 600 …1,400 |
| -1 ... 15 | 25 | -1…32 | 40 | -1…80 | 100 2) | ≤ 150 | ≤ 250 | 1,000 …2,400 |
| 0 ... 1 | 4 | 0…32 | 40 | -1…32 | 40 | ≤ 15 | ≤ 50 | 75 …170 |
| 0 ... 1.2 | 4 | 0…32 | 40 | -1…32 | 40 | ≤ 15 | ≤ 50 | 75 …170 |
| 0 ... 2.5 | 5 | 0…32 | 40 | -1…80 | 100 2) | ≤ 48 | ≤ 67 | 200 …500 |
| 0 ... 6 | 12 | -1…32 | 40 | -1…80 | 100 2) | ≤ 100 | ≤ 160 | 400 …1,000 |
| 0 ... 10 | 20 | -1…32 | 40 | -1…80 | 100 2) | ≤ 100 | ≤ 180 | 600 …1,400 |
| 0 ... 16 | 25 | -1…32 | 40 | -1…80 | 100 2) | ≤ 150 | ≤ 250 | 1,000 …2,400 |
| 0 ... 25 | 40 | -1…32 | 40 | -1…80 | 100 2) | ≤ 300 | ≤ 450 | 1,700 …4,000 |
| 0 ... 40 | 50 | - | - | - | - | ≤ 400 | ≤ 800 | 2,200 …5,800 |

### Setting range for modelsMWGandMWH Setting range to 600 bar

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Standard | Dead band |  |  |  |
| Setting range (= working range) | Proof pressure | 1 contact, fixed | 2 contacts, fixed | 1 contact, adjustable 1) |
| in bar | in bar | in bar | in bar |  |
| 4 ... 40 | 100 | ≤ 3 | ≤ 4 | 5…11to8…15 |
| 10 ... 100 | 200 | ≤ 4 | ≤ 6 | 10 …22to15…28 |
| 10 ... 250 | 400 | ≤ 10 | ≤ 13 | 15 …38to27…55 |
| 20 ... 400 | 600 | ≤ 10 | ≤ 25 | 35 …80to43…90 |
| 30 ... 600 | 700 | ≤ 20 | ≤ 25 | 45 ... 105 to 83 ... 155 |

| Process connection | 2 |
|---|---|
| Standard | ■ ANSI/ASME B1.20.1 ■ DIN EN ISO 228 ■ ASME B16.5 1) ■ EN 1092-1 1) |
| 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 |
| ASME B16.5 1) | Flange variant &#x27;S&#x27; :With fixed stud bolts and included nuts and washers |
| EN 1092-1 1) | Flange variant &#x27;T&#x27; :With through-holes and extension pipe →See dimensions from page 9 |
| Material (wetted) |  |
| Sensor element | Depending on the selected sensor element →See table &#x27;Sensor element&#x27; |
| Process connection |  |
| Sealing | PTFE, FPM, NBR, without sealing: welded diaphragm element, depending on setting range and operating conditions. →See table &#x27;Setting range&#x27; |

### 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 | Depending on sensor element and sealing →See table &#x27;Sensor element&#x27; |
|---|---|
| Ambient temperature range | T6/T85°C T a -60 ...+60 °C |
|  | T4/T135°C T a -60 ...+85 °C |
|  | Non-Ex versions ■ -40 ...+85 °C ■ -60 ...+85 °C |
| Ingress protection of the complete instrument | IP66 per EN/IEC 60529 (NEMA 4X) |
| Weight | Approx. 1.0 kg for modelsMW,MWG,MWH Approx. 1.5 kg for modelMWB |

| 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 ATEX directive 1) IM1 | European Union |
|  | II1GD IECEx 1) | International |

| Logo | Description | Region |
|---|---|---|
|  | 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 |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| DN | Class | Dimensions in mm[in] |  |  |  |  |
|  |  | D | b | a | P | L |
| ½" | 150 | 110 [43,31] | 25 [9,84] | 60,3 [23,74] | 4 x M14 | 51 [20,08] |
|  | 300 | 110 [43,31] | 25 [9,84] | 66,7 [26,26] | 4 x M14 | 51 [20,08] |
| ¾" | 150 | 110 [43,31] | 25 [9,84] | 69,8 [27,48] | 4 x M14 | 51 [20,08] |
| 1" | 150 | 110 [43,31] | 25 [9,84] | 79,4 [31,26] | 4 x M14 | 51 [20,08] |
|  | 300 | 150 [59,06] | 25 [9,84] | 88,9 [35] | 4 x M16 | 54 [21,26] |
| 1 ½" | 150 | 150 [59,06] | 25 [9,84] | 98,4 [38,74] | 4 x M14 | 51 [20,08] |
|  | 300 | 150 [59,06] | 25 [9,84] | 114,3 [45] | 4 x M20 | 60 [23,62] |
| 2" | 150 | 150 [59,06] | 25 [9,84] | 120,6 [47,48] | 4 x M16 | 54 [21,26] |
|  | 300 | 165 [64,96] | 22 [8,66] | 127 [50] | 8 x M16 | 54 [21,26] |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| DN | PN | Dimensions in mm[in] |  |  |  |  |
|  |  | D | b | a | P | L |
| 15 | 10/40 | 110 [43,31] | 25 [9,84] | 65 [25,59] | 4 x M12 | 48 [18,9] |
| 20 | 10/40 | 110 [43,31] | 25 [9,84] | 75 [29,53] | 4 x M12 | 48 [18,9] |
| 25 | 10/40 | 110 [43,31] | 25 [9,84] | 85 [33,46] | 4 x M12 | 48 [18,9] |
| 40 | 10/40 | 150 [59,06] | 25 [9,84] | 110 [43,31] | 4 x M16 | 54 [21,26] |

## Документація

- [ds_pv3110_en_co_35e45c](https://avigan.com.ua/wika/docs/wika/ds_pv3110_en_co.pdf) — PDF, 814 KB, en