# מתג לחץ הפרשי — DA, DA10

> מתג הפרש לחץ עם בית חסין-להבה Ex d ליישומים קריטיים לבטיחות בתעשיות כימיה, פטרוכימיה, נפט וגז, ייצור חשמל, מים/שפכים וכרייה. מתאים למדיות גזיות, נוזליות ומדיות אגרסיביות.

- קוד קטלוגי: da_da10
- דגם: DA, DA10
- קטגוריה: מדידת לחץ › Pressure switches
- עמוד המוצר: https://avigan.com.ua/wika/he/products/da_da10
- מחיר: לפי בקשה
- ספק: AVIGAN (TOV VIKA Prylad), שותף רשמי של WIKA באוקראינה

## תיאור

מתגי לחץ הפרשיים באיכות גבוהה אלה פותחו במיוחד עבור יישומים קריטיים לבטיחות. האיכות הגבוהה של המוצרים ו...

## יישומים

- 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, liquid and aggressive media, also in aggressive ambience
- Filter and level monitoring

## תכונות מיוחדות

- No power supply needed for switching of electrical loads
- Robust switch enclosure from aluminium alloy, IP66, NEMA 4X
- Setting ranges from 0 ... 16 mbar to 0 ... 40 bar with high static and high one-sided pressure up to 160 bar
- Repeatability: ≤ 1 % of span
- 1 or 2 independent set points, SPDT or DPDT, high switching power up to AC 250 V, 20 A

## מפרט טכני

| פרמטר | ערך |
|---|---|
| model | DA, DA10 |
| product family | DA |
| short description | Differential pressure switch with flameproof enclosure Ex d for safety-critical applications in chemical, petrochemical, oil and gas industries, power generation, water/wastewater, and mining. Suitable for gaseous, liquid, and aggressive media. |
| subcategory | Differential pressure switch |
| certifications | CE; RoHS; ATEX; IECEx; EAC; Ex-Ukraine; CCC; KOSHA; INMETRO |
| explosion protection | Ex d IIC T6/T4 Ga/Gb; Ex ta/tb IIIC T85/T135 Da/Db |
| safety integrity level | SIL 2 per IEC 61508 |
| ambient temp | -30 … 85 °C |
| ip rating | IP66 |
| weight kg | 7.2 |
| pressure ranges | 0 … 0.16 bar; 0 … 0.25 bar; 0 … 0.4 bar; 0 … 0.6 bar; 0 … 1 bar; 0 … 2.5 bar; 0 … 4 bar; 0 … 6 bar; 0 … 10 bar; 0 … 16 bar; 0 … 25 bar; 0 … 40 bar; 0 … 16 mbar; 0 … 25 mbar; 0 … 40 mbar; 0 … 60 mbar; -0.04 … 0.12 bar; -0.06 … 0.19 bar; -0.2 … 0.2 bar; -0.3 … 0.3 bar; -0.5 … 0.5 bar; -1.25 … 1.25 bar; -2 … 2 bar; -3 … 3 bar; -5 … 5 bar; -8 … 8 bar; -12.5 … 12.5 bar |
| accuracy class | ≤ 1 % of span |
| accuracy standard | IEC 61298-2:2008 |
| process connections | ¼ NPT female; ½ NPT male; G ½ A male; G ¼ A male; ½ NPT female; G ¼ female; M20 x 1.5 male |
| case material | Aluminium alloy, copper-free, epoxy resin coated |
| wetted parts material | AISI 316; AISI 316L; AISI 304; Monel 400; Inconel 718 |
| sealing material | NBR |
| process temp | -30 … 85 °C |
| electrical connection | ½ NPT female |
| switching function | SPDT or DPDT |
| switching contacts | 2 |

## טבלאות מגיליון הנתונים

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Contact version | Electrical rating (resistive load) |  |  |
|  |  | AC | DC |
| UN | 1 x SPDT, silver | 250 V, 15 A | 24 V, 2 A, 125 V, 0.5 A, 220 V, 0.25 A |
| US | 1 x SPDT, silver, hermetically sealed, argon gas filling 2) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A |
| UO | 1 x SPDT, gold-plated, hermetically sealed, argon gas filling 2) | 125 V, 1 A | 24 V, 0.5 A |
| UG | 1 x SPDT, gold-plated | 125 V, 1 A | 24 V, 0.5 A |
| UR | 1 x SPDT, silver, adjustable dead band | 250 V, 20 A | 24 V, 2 A, 220 V, 0.5 A |
| 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 |
| DS | 2 x SPDT or 1 x DPDT, silver, hermetically sealed, argon gas filling 2) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A |
| DO | 2 x SPDT, or 1 x DPDT gold-plated, hermetically sealed, argon gas filling 2) | 125 V, 1 A | 24 V, 0.5 A |
| DG | 2 x SPDT or 1 x DPDT, gold-plated | 125 V, 1 A | 24 V, 0.5 A |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| Setting range | Stainless steel version | NACE 1) version | Monel version |  |  |  |
| Diaphragm | Process connection | Diaphragm | Process connection | Diaphragm | Process connection |  |
| 16 mbar | AISI 316 | AISI 316L | - | - | - |  |
| 25 mbar |  |  |  |  |  |  |
| 40 mbar |  |  |  |  |  |  |
| 60 mbar |  |  |  |  |  |  |
| 160 mbar |  |  | Monel ® 400 | AISI 316L | Monel ® 400 |  |
| 250 mbar |  |  |  |  |  |  |
| 400 mbar |  |  |  |  |  |  |
| 600 mbar |  |  |  |  |  |  |
| 1 bar |  |  |  |  |  |  |
| 2.5 bar |  |  |  |  |  |  |
| 4 bar | AISI 304 |  |  |  |  |  |
| 6 bar |  |  |  |  |  |  |
| 10 bar |  |  |  |  |  |  |
| 16 bar | Inconel ® 718 |  | Inconel ® 718 |  | - |  |
| 25 bar |  |  |  |  |  |  |
| 40 bar |  |  |  |  |  |  |

| 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|
| Δp-cell | Setting range | Fixed dead band for contact version | Adjustable dead band for contact version | Static / One-sided pressure |  |
| in bar | 1 contact UN, US, UO, UG in mbar | 2 contacts DN, DS, DO, DG in mbar | 1 contact UR in mbar | in bar |  |
| L | 0 ... 0.16 | ≤ 6 | ≤ 6 | 25 ... 60 | ≤ 40, ≤ 100 or ≤ 160 |
| 0 ...0.25 | ≤ 8 | ≤ 8 | 30 ... 80 |  |  |
| - | 0 ... 0.4 | ≤ 20 | ≤ 20 | 45 ... 120 |  |
| 0 ... 0.6 | ≤ 25 | ≤ 25 | 80 ... 200 |  |  |
| 0 ... 1 | ≤ 40 | ≤ 40 | 100 ... 270 |  |  |
| 0 ... 2.5 | ≤ 70 | ≤ 70 | 260 ... 700 |  |  |
| 0 ... 4 | ≤ 120 | ≤ 120 | 450 ... 1,150 |  |  |
| 0 ... 6 | ≤ 180 | ≤ 180 | 600 ... 1,600 |  |  |
| 0 ... 10 | ≤ 300 | ≤ 300 | 1,100 ... 2,800 |  |  |
| 0 ... 16 | ≤ 480 | ≤ 480 | 1,600 ... 3,500 |  |  |
| 0 ... 25 | ≤ 700 | ≤ 700 | 2,500 ... 5,500 |  |  |
| V | 0 ... 40 | ≤ 1,200 | ≤ 1,200 | on request |  |

| 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|
| Δp-cell | Setting range | Fixed dead band for contact version | Adjustable dead band for contact version | Static / One-sided pressure |  |
|  | in mbar | 1 contact UN, US, UO, UG in mbar | 2 contacts DN, DS, DO, DG in mbar | 1 contact UR in mbar | in bar |
| - | 0 ... 16 | ≤ 1.2 | ≤ 1.6 | - | ≤ 10 2) |
|  | 0 ... 25 | ≤ 1.2 | ≤ 1.6 | 4 ... 10 | ≤ 10 |
|  | 0 ... 40 | ≤ 1.6 | ≤ 2.2 | 5 ... 14 |  |
|  | 0 ... 60 | ≤ 2.5 | ≤ 3.0 | 6 ... 18 |  |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity ■ Pressure equipment directive ■ Low voltage directive ■ RoHS directive ■ ATEX directive 1) II 1/2GD | European Community |
|  | IECEx 1) Ex d IIC T6/T4 2) Ga/Gb Ex d IIIC T85/T135 2) Da/Db | IECEx member states |
|  | EAC (option) Hazardous areas | Eurasian Economic Community |
|  | Ex-Ukraine (option) Hazardous areas | Ukraine |
|  | CCC (option) Hazardous areas | China |
|  | KOSHA (option) Hazardous areas | South Korea |
|  | INMETRO ■ Metrology, measurement technology ■ Hazardous areas | Brazil |

## מסמכים

- [ds_pv3543_en_co_ea0d13](https://avigan.com.ua/wika/docs/wika/ds_pv3543_en_co.pdf) — PDF, 595 KB, en