# مفتاح ضغط تفاضلي مدمج — DE, DEC

> مفتاح ضغط تفاضلي مدمج مع غلاف مقاوم للهب Ex d للتطبيقات الحرجة من ناحية السلامة في الصناعات العملية

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

## نظرة عامة

تم تطوير مفاتيح الضغط عالية الجودة هذه خصيصًا للتطبيقات التي تتطلب السلامة بشكل حاسم. إن الجودة العالية للمنتجات والتصنيع في ...

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

## المزايا

- No power supply needed for switching of electrical loads
- Robust switch enclosure from aluminium alloy or stainless steel 316L, IP66, NEMA 4X
- Setting ranges from 0 ... 160 mbar to 0 ... 40 bar with high static and high one-sided pressure up to 250 bar
- Repeatability: ≤ 1 % of span
- 1 set point, SPDT or DPDT, high switching power up to AC 250 V, 15 A

## المواصفات الفنية

| المعيار | القيمة |
|---|---|
| model | DE, DEC |
| product family | DE |
| short description | Compact differential pressure switch with flameproof enclosure Ex d for safety-critical applications in process industries |
| subcategory | Differential pressure switch |
| certifications | RoHS; CE; EAC; CCC; KOSHA; ATEX; IECEx; NACE |
| explosion protection | Ex d I Mb; Ex d IIC T6/T4 Ga/Gb; Ex d IIIC T85/T135 Da/Db |
| safety integrity level | SIL 2 per IEC 61508 |
| ambient temp | -30 … 85 °C |
| ip rating | IP66 |
| weight kg | 5.4 |
| languages in datasheet | en; de |
| pressure ranges | 0 … 40 bar; -1.25 … 1.25 bar; -2 … 2 bar; -3 … 3 bar; -5 … 5 bar; -8 … 8 bar; -12.5 … 12.5 bar; 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; -0.04 … 0.12 bar; -0.06 … 0.19 bar; -0.2 … 0.2 bar; -0.3 … 0.3 bar; -0.5 … 0.5 bar; 0 … 1.6 bar; 0 … 160 mbar; -40 … 120 mbar; -60 … 190 mbar; -200 … 200 mbar; -300 … 300 mbar; -500 … 500 mbar |
| accuracy class | ≤ 1 % of span |
| accuracy standard | IEC 61298-2:2008 |
| process connections | ½ NPT; ¼ NPT female; G ½ A; G ¼ A; M20 x 1.5; G ¼ A male; G ¼ female; M20 x 1.5 male; G ¼ A male via adapter; G ¼ female via adapter; M20 x 1.5 male via adapter |
| case material | aluminium alloy; stainless steel 316L; Aluminium alloy; Stainless steel 316L |
| wetted parts material | AISI 316; AISI 304; AISI 316L; Monel 400; Inconel 718; aluminium alloy (EN AW-5082); Monel®400; Inconel®718 |
| sealing material | NBR |
| process temp | -30 … 85 °C |
| electrical connection | ½ NPT female |
| switching function | SPDT or DPDT |
| switching contacts | 1 |

## جداول ورقة البيانات

| 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 2) | 250 V, 15 A | 24 V, 2 A, 220 V, 0.5 A |
| C | 1 x SPDT, gold-plated, hermetically sealed, argon gas filling 2) | 125 V, 1 A | 24 V, 0.5 A |
| G | 1 x DPDT, silver | 250 V, 1 A | 24 V, 0.5 A |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| Setting range | Stainless steel version | NACE version 1) | Monel version |  |  |  |
| Diaphragm | Process connection | Diaphragm | Process connection | Diaphragm | Process connection |  |
| 0 ... 160 mbar | AISI 316 | AISI 316L | Monel ® 400 | AISI 316L | Monel ® 400 |  |
| 0 ... 250 mbar |  |  |  |  |  |  |
| 0 ... 400 mbar |  |  |  |  |  |  |
| 0 ... 600 mbar |  |  |  |  |  |  |
| 0 ... 1 bar |  |  |  |  |  |  |
| 0 ... 2.5 bar |  |  |  |  |  |  |
| 0 ... 4 bar | AISI 304 |  |  |  |  |  |
| 0 ... 6 bar |  |  |  |  |  |  |
| 0 ... 10 bar |  |  |  |  |  |  |
| 0 ... 16 bar | Inconel ® 718 |  | Inconel ® 718 |  | - |  |
| 0 ... 25 bar |  |  |  |  |  |  |
| 0 ... 40 bar |  |  |  |  |  |  |

| Setting range | Diaphragm | Process connection |
|---|---|---|
| 0 ... 160 mbar | Inconel ® 718 | Aluminium alloy (EN AW-5082 per EN 573-3) |
| 0 ... 250 mbar |  |  |
| 0 ... 400 mbar |  |  |
| 0 ... 600 mbar |  |  |
| 0 ... 1 bar |  |  |
| 0 ... 1.6 bar |  |  |
| 0 ... 2.5 bar |  |  |
| 0 ... 4 bar |  |  |
| 0 ... 6 bar |  |  |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Δp-cell | Setting range | Fixed dead band for contact version | Static / One-sided pressure |  |
|  | in bar | 1 contact A, B, C in mbar | 1 contact G in mbar | in bar |
| L | 0 ... 0.16 | ≤ 6 | ≤ 12 | ≤ 40, ≤ 100 or ≤ 160 |
|  | 0 ...0.25 | ≤ 8 | ≤ 20 |  |
| H | 0 ... 0.4 | ≤ 20 | ≤ 40 |  |
|  | 0 ... 0.6 | ≤ 25 | ≤ 50 |  |
|  | 0 ... 1 | ≤ 40 | ≤ 80 |  |
|  | 0 ... 2.5 | ≤ 70 | ≤ 170 | ≤ 40, ≤ 100, ≤ 160 or ≤ 250 |
|  | 0 ... 4 | ≤ 120 | ≤ 200 |  |
|  | 0 ... 6 | ≤ 180 | ≤ 250 |  |
|  | 0 ... 10 | ≤ 300 | ≤ 400 |  |
|  | 0 ... 16 | ≤ 480 | ≤ 600 |  |
|  | 0 ... 25 | ≤ 700 | ≤ 1,000 |  |
| V | 0 ... 40 | ≤ 1,200 | ≤ 1,800 | ≤ 40, ≤ 100 or ≤ 160 |

| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Δp-cell | Setting range | Fixed dead band for contact version | Static / One-sided pressure |  |
|  | in bar | 1 contact A, B, C in mbar | 1 contact G in mbar | in bar |
| L | 0 ... 0.25 | ≤ 5 | ≤ 10 | ≤ 25 |
| H | 0 ... 1 | ≤ 30 | ≤ 50 |  |
|  | 0 ... 1.6 | ≤ 50 | ≤ 110 |  |
|  | 0 ... 2.5 | ≤ 80 | ≤ 170 |  |
|  | 0 ... 4 | ≤ 120 | ≤ 200 |  |
|  | 0 ... 6 | ≤ 120 | ≤ 200 |  |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity ■ Pressure equipment directive ■ Low voltage directive ■ RoHS directive ■ ATEX directive 1) I M2(only available with stainless steel 316L switch enclosure) II 1/2GD | European Community |
|  | IECEx 1) Ex d I Mb (only available with stainless steel 316L switch enclosure) 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 |

## المستندات

- [ds_pv3541_en_co_39984b](https://avigan.com.ua/wika/docs/wika/ds_pv3541_en_co.pdf) — PDF, 661 KB, en