# مفتاح ضغط مدمج، غلاف مقاوم للهب Ex d — PCA

> مفتاح ضغط مدمج مع غلاف مقاوم للهب Ex d للتطبيقات الحرجة من ناحية السلامة في الصناعات العملياتية، يتميز بتصميم متين وقدرة تبديل عالية، مع إمكانية اعتماد SIL 2/3 اختياريًا.

- رمز الكتالوج: pca
- الطراز: PCA
- الفئة: قياس الضغط › Pressure switches
- صفحة المنتج: https://avigan.com.ua/wika/ar/products/pca
- السعر: عند الطلب
- المورد: AVIGAN (TOV VIKA Prylad)، الشريك الرسمي لشركة WIKA في أوكرانيا

## نظرة عامة

تم تطوير مفاتيح الضغط الميكانيكية هذه خصيصًا للتطبيقات التي تتطلب السلامة بشكل حرج مع مساحة محدودة.

## التطبيقات

- 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, highly viscous or contaminated media, also in aggressive ambience
- For measuring points with limited space, e.g. control panels

## المزايا

- No power supply needed for switching of electrical loads
- Robust switch enclosure from aluminium alloy or stainless steel with identical dimensions, IP66, NEMA 4X
- Setting ranges from 0.2 ... 1.2 to 200 ... 1,000 bar, vacuum ranges
- Repeatability of the set point ≤ 1 % of span
- 1 set point, SPDT or DPDT, high switching power up to AC 250 V, 15 A

## المواصفات الفنية

| المعيار | القيمة |
|---|---|
| model | PCA |
| product family | Process Compact Series |
| short description | Compact pressure switch with flameproof enclosure Ex d for safety-critical applications in process industries, featuring robust design, high switching power, and optional SIL 2/3 qualification. |
| subcategory | Pressure switch |
| certifications | RoHS; PED; Low voltage directive; ATEX; EAC; INMETRO; CCC; KCs; PESO; Low Voltage Directive; CE; NACE MR0175/ISO 15156; NACE MR0103/ISO 17945; EN 1854 |
| explosion protection | Ex db I Mb; I M2; II 1/2 GD; II 2 GD; Ex db IIC T6/T4 Ga/Gb; Ex tb IIIC T85/T135 Db; Ex db IIC T6/T4 2) Ga/Gb; Ex tb IIIC T85/T135 2) Db; Ex db IIC T6/T4 2) Gb; Ex tb IIIC T85/T135 2) Db (version with sensor element 'P'); ATEX II 1/2G D; ATEX II 2G D; IECEx Ex db I Mb; IECEx Ex db IIIC T6/T4 Gb; IECEx Ex tb IIIC T85/T135 Db; EACEx |
| safety integrity level | SIL 3-capable (option) |
| ambient temp | -60 … 85 °C |
| ip rating | IP66 |
| weight kg | 0.8 |
| languages in datasheet | en |
| pressure ranges | -1 … -0.2 bar; 0.1 … 2.5 bar; 0.2 … 1.2 bar; 0.5 … 2.5 bar; 0.8 … 6 bar; 1.6 … 10 bar; 3 … 25 bar; 3.5 … 70 bar; 4 … 25 bar; 8 … 40 bar; 10 … 40 bar; 16 … 100 bar; 20 … 100 bar; 20 … 220 bar; 40 … 250 bar; 60 … 250 bar; 80 … 400 bar; 100 … 600 bar; 100 … 700 bar; 200 … 1000 bar; -1 … -1 bar; 0.1 … 1000 bar |
| accuracy class | ≤ 1 % of end of setting range |
| accuracy standard | IEC 61298-2:2008 |
| process connections | 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; 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; G1/4, female thread via adapter; G1/2A, male thread via adapter; G1/4A, male thread via adapter |
| case material | Aluminium alloy, copper-free, painted with acrylic; Stainless steel 316L |
| wetted parts material | NBR; PTFE; Inconel; Stainless steel 316L; Hastelloy C276; FPM; EPDM |
| sealing material | FPM; NBR; EPDM; O-ring:FPM; O-ring:NBR; O-ring:EPDM; PTFE |
| process temp | -40 … 200 °C |
| electrical connection | Female thread ½ NPT, M20 x 1.5, ¾ NPT, cable gland non-armoured/armoured (nickel-plated brass or stainless steel) |
| switching function | SPDT or DPDT |
| switching contacts | 1 |

## جداول ورقة البيانات

| Basic information | 2 |
|---|---|
| Version | Compact pressure switch, flameproof enclosure Ex d |
| Special design feature | ■ 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 ■ Drying of wetted parts ■ Offshore version ■ Tropical version (suitable for environments with increased air humidity) ■ Version for ammonia applications ■ Geothermal version |
| Contact version | ■ 1 x SPDT (single pole double throw) ■ 1 x DPDT (double pole double throw) Microswitch with fixed dead band The DPDT function is realised with 2 simultaneously triggering SPDT microswitches. →See table 'Contact version' |
| Dielectric strength | Safety class I (IEC 61298-2: 2008) |
| Switch enclosure |  |
| Design | Tamper-proof due to access cover plate with lead seal option Laser-engraved product label from stainless steel |
| Material | ■ Aluminium alloy, copper-free, painted with acrylic ■ Stainless steel 316L |
| Mounting 2) | ■ Direct mounting ■ Wall bracket from stainless steel ■ Mounting bracket for 2" pipe mounting |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Contact version | Electrical rating (resistive load) |  |  |
|  |  | AC | DC |
| A | 1 x SPDT, silver | 250 V, 15 A | 24 V, 2 A, 125 V, 0.5 A, 220 V, 0.25 A |
| B | 1 x SPDT, silver, hermetically sealed, argon gas filling 1) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A |
| C | 1 x SPDT, gold-plated, hermetically sealed, argon gas filling 1) | 125 V, 1 A | 24 V, 0.5 A |
| G | 1 x DPDT, silver | 250 V, 5 A | 24 V, 0.5 A |
| H | 1 x DPDT, silver, hermetically sealed, air filling | 250 V, 5 A | 24 V, 0.5 A |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Sensor element | Wetted parts | Permissible medium temperature |  |  |
|  |  | Sensor element | Sealing |  |
| V | Diaphragm element with antag- onist spring | NBR | - | -30 ...+110 °C |
| T | Diaphragm element with antag- onist spring | PTFE | - | -30 ...+110 °C |
| M | Diaphragm element with antag- onist spring | Inconel | O-ring:FPM | -30 ...+200 °C |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Sensor element | Wetted parts | Permissible medium temperature |  |  |
|  |  | Sensor element | Sealing |  |
| P | Piston with antagonist spring 2) | Stainless steel 316L | O-ring:FPM | 0 ... 200 °C |
|  |  |  | O-ring:NBR | -10 ...+110 °C |
|  |  |  | O-ring:EPDM | -40 ...+110 °C |
| G | Piston with antagonist spring and welded diaphragm element | Hastelloy C276 | - | -40 ...+140 °C |

### Accuracy specifications

| Set point repeatability | ≤ 1 %of end of setting range |
|---|---|
| Dead band | →See table 'Setting range of set point' |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| Setting range | Sensor element | Working range 1) | Proof pressure 2) | Max. dead band for contact version |  |  |
| A, B, C | G | H |  |  |  |  |
| in bar |  | in bar | in bar | in bar | in bar | in bar |
| -1 ... -0.2 | V | -1 ... 6 | 10 | 0.03 | 0.06 | 0.12 |
| 0.1 ... 2.5 | M | -1 ... 30 | 40 | 0.05 | 0.1 | 0.4 |
| 0.2 ... 1.2 | T | 0 ... 6 | 10 | 0.03 | 0.06 | 0.12 |
| 0.5 ... 2.5 | M | -1 ... 10 | 40 | 0.05 | 0.1 | 0.4 |
| 0.8 ... 6 | M | -1 ... 10 | 40 | 0.06 | 0.2 | 0.8 |
| 1.6 ... 10 | M | -1 ... 25 | 40 | 0.2 | 0.4 | 1.6 |
| 3 ... 25 | P,G | 0 ... 250 | 400 | 2 | 4 | 16 |
| 3.5 ... 70 | P,G | 0 ... 140 | 500 | 7 | 7 | 21 |
| 4 ... 25 | M | -1 ... 25 | 60 | 0.25 | 0.75 | 3 |
| 8 ... 40 | P,G | 0 ... 100 | 400 | 2 | 4 | 16 |
| 10 ... 40 | M | -1 ... 60 | 100 | 1 | 2 | 8 |
| 16 ... 100 | P,G | 0 ... 250 | 400 | 5 | 5 | 20 |
| 20 ... 100 | M | 0 ... 100 | 150 | 7 | 9 | 20 |
| 20 ... 220 | P,G | 0 ... 350 | 500 | 8 | 15 | 24 |
| 40 ... 250 | P,G | 0 ... 400 | 600 | 12 | 20 | 80 |
| 60 ... 250 | P,G | 0 ... 400 | 600 | 5 ... 12 to 12 ... 20 3) | - | - |
| 80 ... 400 | P,G | 0 ... 600 | 600 | 20 | 20 | 80 |
| 100 ... 600 | P,G | 0 ... 600 | 700 | 30 | 30 | 120 |
| 100 ... 700 | P | 0 ... 700 | 1,050 | 30 ... 100 3) | 30 ... 100 3) | 30 ... 100 3) |
| 200 ... 1,000 | P | 0 ... 1,000 | 1,500 | 40 ... 110 3) | 40 ... 110 3) | 40 ... 110 3) |

| 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) |  |
| Process connection | Stainless steel 316L |
|  | Other materials on request |
| Sensor element | Depending on the selected sensor element →See table 'Sensor element' |

### Electrical connection

| Connection type | ■ Female thread½NPT ■ Female thread M20 x 1.5 ■ Female thread¾NPT ■ 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) |
|---|---|
| Wire cross-section | 0.5 ... 1.5 mm² (20 ... 16 AWG) For the grounding cable connection to the protective conductor use max. 2.5 mm² for the internal screw and max.4 mm² for the external screw. |
| Pin assignment | Connection details are given on the product label of the instrument. Connec- tion terminals and the ground terminal are appropriately marked. |

### Operating conditions

| Medium temperature range | Depending on sensor element and sealing →See table 'Sensor element' |
|---|---|
| Ambient temperature range | T6/T85°C T a -60 ...+60 °C |
|  | T4/T135°C T a -60 ...+85 °C |
| Ingress protection of the complete instrument | IP66 per EN/IEC 60529 (NEMA 4X) |
| Weight | ■ 0.8 kg, switch enclosure aluminium alloy ■ 1.5 kg, switch enclosure stainless steel |

| 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 |  |
|  | IECEx 1) Ex db I Mb (only available with stainless steel 316L switch enclosure) Ex db IIC T6/T4 2) Ga/Gb, Ex tb IIIC T85/T135 2) Db Ex db IIC T6/T4 2) Gb, Ex tb IIIC T85/T135 2) Db (version with sensor element 'P') | International |

| Logo | Description | Region |
|---|---|---|
|  | EAC Hazardous areas 1) | Eurasian Economic Community |
|  | Ex Ukraine Hazardous areas 1) | Ukraine |
|  | INMETRO Hazardous areas 1) | Brazil |
|  | CCC Hazardous areas 1) | China |
|  | KCs Hazardous areas 1) | South Korea |
| - | PESO Hazardous areas 1) | India |

| 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 recalibration interval | 1 year (dependent on conditions of use) |

| 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 |

## المستندات

- [ds_pv3331_en_co_82ca90](https://avigan.com.ua/wika/docs/wika/ds_pv3331_en_co.pdf) — PDF, 799 KB, en