# Мембранные разделители — 990.23

> Для целлюлозно-бумажной промышленности

- Код каталога: 990_23
- Модель: 990.23
- Категория: Измерение давления › Diaphragm seals
- Страница товара: https://avigan.com.ua/wika/ru/products/990_23
- Цена: по запросу
- Поставщик: AVIGAN (ООО «ВИКА Прилад»), официальный партнёр WIKA в Украине

## Описание

Для сильно вязких, твердеющих сред, а также с поворотным фланцем-держателем: мембранный разделитель 990.23 с фланцевым присоединением для целлюлозно-бумажной промышленности.

## Применение

- Highly viscous, hardening or particle-laden media
- Pulp manufacture
- Waste-paper processing

## Особенности

- Rotatable retainer flange
- Versions with 90° pipe elbow and vibration damper

## Технические характеристики

| Параметр | Значение |
|---|---|
| model | 990.23 |
| product family | 990 |
| short description | Diaphragm seal with flange connection for pulp and paper industry applications, suitable for highly viscous, hardening or particle-laden media. |
| subcategory | Diaphragm seal |
| certifications | EAC; CRN; MTSCHS |
| languages in datasheet | en; de |
| pressure ranges | 0 … 0.6 bar; 0 … 40 bar; 0 … 8.7 psi; 0 … 580 psi |
| case material | Stainless steel 1.4404 (316L); Stainless steel 1.4541 (321); Stainless steel 1.4571 (316Ti); Duplex 2205 (1.4462); Monel 400 (2.4360); Stainless steel 1.4435 (316L); 1.4404 (316L); 1.4435 (316L); 1.4462 (2205); 2.4360 (Monel 400); 1.4541 (321); 1.4571 (316Ti) |
| wetted parts material | Duplex 2205 (1.4462); Monel 400 (2.4360); PFA (perfluoroalkoxy) coating; Stainless steel 1.4435 (316L); Stainless steel 1.4541 (321); Stainless steel 1.4571 (316Ti); Ceramic coating wikaramic®; ECTFE coating; Stainless steel 1.4404 / 1.4435 (316L); Ceramic coating; wikaramic; FDA PFA (perfluoroalkoxy) coating; antistatic ECTFE coating; 1.4404 (316L); 1.4435 (316L); Stainless steel 1.4404/1.4435 (316L); PFA (perfluoroalkoxy) coating, FDA; PFA (perfluoroalkoxy) coating, antistatic |
| sealing material | Perbunan |
| process temp | -20 … 400 °C |

## Таблицы из даташита

| Model 990.23 | Standard | Option |
|---|---|---|
| Pressure range | 0 ... 0.6 to 0 ... 40 bar (0 ... 8.7 to 0 ... 580 psi) |  |
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level F WIKA standard (< 1,000 mg/m²) | ■ Oil and grease free per ASTM G93-03 level D and ISO 15001 (< 220 mg/m 2 ) ■ Oil and grease free per ASTM G93-03 level C and ISO 15001 (< 66 mg/m²) |
| Origin of wetted parts | International | EU, CH, USA |
| Extension length | 6.5 mm(0.256 in) | 17 mm(0.669 in) |
| Connection to the measuring instrument | Axial weld-in connection | Axial weld-in connection with G½, G1/4, ½NPTor 1/4 NPT (female) |
| Type of mounting | Direct mounting | ■ 90° pipe elbow, rotatable through 180° ■ 90° pipe elbow, fixed ■ 90° pipe elbow and vibration damper, rotatable through 180° ■ 90° pipe elbow and vibration damper, fixed ■ Capillary ■ Cooling element |
| Retainer flange | Stainless steel | - |
| Accessories | - | ■ Welding socket for integration into the process line, see data sheet AC 09.20 ■ Perbunan sealing |

| Upper body of diaphragm seal | Wetted parts | Maximum permissible process temperature ¹⁾ in °C (°F) |
|---|---|---|
| Stainless steel 1.4404 (316L) | Stainless steel 1.4404 / 1.4435 (316L), standard version | 400 (752) |
| Ceramic coating wikaramic ® |  |  |
| PFA (perfluoroalkoxy) coating, FDA | 260 (500) |  |
| PFA (perfluoroalkoxy) coating, antistatic |  |  |
| ECTFE coating | 150 (302) |  |
| Stainless steel 1.4435 (316L) | Stainless steel 1.4435 (316L) | 400 (752) |
| Stainless steel 1.4541 (321) | Stainless steel 1.4541 (321) |  |
| Stainless steel 1.4571 (316Ti) | Stainless steel 1.4571 (316Ti) |  |
| Duplex 2205 (1.4462) | Duplex 2205 (1.4462) | 300 (572) |
| Monel 400 (2.4360) | Monel 400 (2.4360) | 400 (752) |

| NS | H |
|---|---|
| 63 (2.48) | 120 (4.724) |
| 100 (3.937) | 140 (5.512) |
| 160 (6.299) | 170 (6.693) |

| Dimensions | in mm(in) |
|---|---|
| NS | H |
| 63 (2.48) | 145 (5.709) |
| 100 (3.937) | 165 (6.496) |
| 160 (6.299) | 195 (7.677) |

| Dimensions | in mm(in) |
|---|---|
| NS | H |
| 63 (2.48) | 142 (5.591) |
| 100 (3.937) | 162 (6.378) |
| 160 (6.299) | 192 (7.559) |

| Logo | Description | Country |
|---|---|---|
|  | EAC (option) Pressure equipment directive | Eurasian Economic Community |
| - | CRN Safety (e.g. electr. safety, overpressure, ...) | Canada |
| - | MTSCHS (option) Permission for commissioning | Kazakhstan |

| Material | Unified numbering system (UNS) |
|---|---|
| Stainless steel 316L (1.4404 or 1.4435) | S31603 |
| Stainless steel 904L (1.4539) | N08904 |
| Stainless steel 321 (1.4541) | S32100 |
| Stainless steel 316Ti (1.4571) | S31635 |
| Stainless steel 1.4466 (urea grade) | S31050 |
| Duplex 2205 (1.4462) | S31803 |
| Superduplex 1.4410 | S32750 |
| Tantalum (also lining) | R05200 |
| Hastelloy C276 (2.4819) | N01276 |
| Hastelloy C22 (2.4602) | N06022 |
| Inconel 600 (2.4816) | N06600 |
| Incoloy 825 (2.4858) | N08825 |
| Inconel 625 (2.485) | N06625 |
| Monel 400 (2.4360) | N04400 |
| Nickel 200 (2.4066) | N02200 |
| Nickel 201 (2.4068) | N02201 |
| Titanium 3.7035 (class 2) | R50400 |
| Titanium 3.7235 (class 7) | R52400 |
| Zirconium GR702 | R60702 |

| Designation | Identi- fication number | Solidi- fication point | Boiling/ degradation point | Density at 25 °C | Kin.Viscosity at 25 °C | Remark |
|---|---|---|---|---|---|---|
| KN | °C | °C | g/cm³ | cSt |  |  |
| Silicone oil | 2 | -45 | +300 | 0.96 | 54.5 | Universal application |
| Glycerine | 7 | -35 | +240 | 1.26 | 759.6 | FDA 21 CFR 182.1320 |
| Silicone oil | 17 | -90 | +200 | 0.92 | 4.4 | Low temperatures |
| Halocarbon | 21 | -60 | +175 | 1.89 | 10.6 | Oxygen 1) and chlorine |
| Methylcyclopentane | 30 | -130 | +60 | 0.74 | 0.7 | For very low temperatures |
| High-temperature silicone oil | 32 | -25 | +400 | 1.06 | 47.1 | For high temperatures |
| Neobee® M-20 | 59 | -35 | +260 | 0.92 | 10.0 | FDA 21 CFR 172.856, 21 CFR 174.5 |
| DI water | 64 | +4 | +85 | 1.00 | 0.9 | For ultrapure media |
| Silicone oil | 68 | -75 | +250 | 0.93 | 10.3 |  |
| DI water/propanol mixture | 75 | -30 | +60 | 0.92 | 3.6 | For ultrapure media |
| Medicinal white mineral oil | 92 | -15 | +260 | 0.85 | 45.3 | FDA 21 CFR 172.878, 21 CFR 178.3620(a); USP, EP, SP |

| Maximum temperature | Maximum oxygen pressure |
|---|---|
| to 60 °C | 50 bar |
| > 60 °C to 100 °C | 30 bar |
| > 100 °C to 175 °C | 25 bar |

## Документация

- [ds_ds9934_en_co_7a0f02](https://avigan.com.ua/wika/docs/wika/ds_ds9934_en_co.pdf) — PDF, 1227 KB, en
- [ds_in0006_en_co_af8b01](https://avigan.com.ua/wika/docs/wika/ds_in0006_en_co.pdf) — PDF, 1239 KB, en
