# Диафрагменный разделитель с фланцевым присоединением — 990.12

> С внутренней мембраной, резьбовое исполнение

- Код каталога: 990_12
- Модель: 990.12
- Категория: Измерение давления › Diaphragm seals
- Страница товара: https://avigan.com.ua/wika/ru/products/990_12
- Цена: по запросу
- Поставщик: AVIGAN (ООО «ВИКА Прилад»), официальный партнёр WIKA в Украине

## Описание

Для агрессивных сред и в резьбовом исполнении: мембранный разделитель 990.12 с соединением с фланцем и внутренней мембраной.

## Применение

- Aggressive, contaminated or hot media
- Chemical and petrochemical industries
- Oil and gas industry

## Особенности

- Flange with internal welded diaphragm
- Mounting to measuring instruments for low pressures, also for differential pressure
- Flushing connections optionally available

## Технические характеристики

| Параметр | Значение |
|---|---|
| model | 990.12 |
| product family | 990 |
| short description | Diaphragm seal with flange connection, internal diaphragm, threaded design for protection of pressure measuring instruments in aggressive, contaminated or hot media applications. |
| subcategory | Diaphragm seal |
| certifications | EAC; CRN; MTSCHS |
| languages in datasheet | en |
| process connections | DN 15; DN 20; DN 25; DN 40; ½"; ¾"; 1"; 1 ½"; G1/4; 1/4NPT; G1/8; 1/8NPT; G1/2; 1/2NPT; M12; M16; M20 |
| case material | Stainless steel 1.4404 (316L); Stainless steel 1.4435 (316L); Stainless steel 1.4539 (904L); Stainless steel 1.4541 (321); Stainless steel 1.4571 (316Ti); Duplex 2205 (1.4462); Superduplex (1.4410); Hastelloy C22 (2.4602); Hastelloy C276 (2.4819); Inconel 600 (2.4816); Inconel 625 (2.4856); Incoloy 825 (2.4858); Monel 400 (2.4360); Nickel 200 (2.4060, 2.4066); Titanium grade 2 (3.7035); Titanium grade 7 (3.7235) |
| wetted parts material | Stainless steel 1.4404 (316L); Stainless steel 1.4539 (904L); Stainless steel 1.4541 (321); Stainless steel 1.4571 (316Ti); ECTFE coating; Gold plating; Wikaramic® coating; PFA (perfluoroalkoxy) coating; Hastelloy C22 (2.4602); Hastelloy C276 (2.4819); Inconel 600 (2.4816); Inconel 625 (2.4856); Incoloy 825 (2.4858); Monel 400 (2.4360); Nickel 200 (2.4060, 2.4066); Titanium class 2 (3.7035); Titanium grade 2 (3.7035); Titanium grade 7 (3.7235); Titanium grade 11 (3.7225); Duplex 2205 (1.4462); Superduplex (1.4410); Stainless steel 1.4435 (316L); PFA(perfluoroalkoxy) coating; Hastelloy C22(2.4602); Hastelloy C276(2.4819); Inconel 600(2.4816); Inconel 625(2.4856); Incoloy 825(2.4858); Monel 400(2.4360); Nickel 200(2.4060,2.4066); Titanium class 2(3.7035); Titanium grade 2(3.7035); Titanium grade 7(3.7235); Titanium grade 11(3.7225); Duplex 2205(1.4462); Superduplex(1.4410) |
| sealing material | FPM; PTFE; Metal C snap ring |
| process temp | -200 … 400 °C |

## Таблицы из даташита

| Model 990.12 | Standard | Option |
|---|---|---|
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level FWIKA standard (< 1,000 mg/m²) | Oil and grease free per ASTM G93-03 level D and ISO 15001 (< 220 mg/m²) |
| Origin of wetted parts | International | EU, CH, USA |
| Sealing | ■ FPM, max. 200 °C [392 °F] ■ PTFE, max. 260 °C [500 °F] | Metal C snap ring, max. 400 °C [752 °F] |
| Flushing connection | - | ■ Single flushing connection (G ¼, G⅛, ¼NPT, ⅛NPT) ■ Dual flushing connection (G ¼, G⅛, ¼NPT, ⅛NPT) ■ Plug screws |
| Connection to the measuring instrument | Axial adapter | Axial adapter with G½, G¼, ½NPTor ¼NPT(female) |
| Type of mounting | Direct mounting | ■ Capillary ■ Cooling element |
| Retainer parts | Stainless steel | - |
| Design per NACE | - | ■ MR0175 ■ MR0103 |
| Vacuum service (see IN 00.25) | Basic service | ■ Premium service ■ Advanced service |
| Instrument mounting bracket (only for capillary option) | - | ■ Form H per DIN 16281, 100 mm, aluminium, black ■ Form H per DIN 16281, 100 mm, stainless steel ■ Bracket for pipe mounting, for pipe Ø20 ... 80 mm, steel (see data sheet AC 09.07) |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Standard | Nominal width | Sealing face |  |
|  |  | Standard | Option |
| Following DIN EN 1092-1 | DN 15 DN 20 DN 25 | Form B1 | Form B2 Groove and tongue Spigot and recess |
| DN 40 |  |  |  |
| Following ASME B16.5 | ½" ¾" | RF 125 ... 250 AA | RF 125 ... 500 AA RFSF Flat face Ring groove form RJF |
| 1" |  |  |  |
| 1 ½ " |  |  |  |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Upper body of diaphragm seal | Wetted parts | Maximum permissible process |  |
| Lower body of diaphragm seal ¹⁾ | Diaphragm | temperature ²⁾ in °C [°F] |  |
| Stainless steel 1.4404 (316L) | Stainless steel 1.4404 (316L) | Stainless steel 1.4404 / 1.4435 (316L), standard version | 400 [752] |
| Stainless steel 1.4539 (904L) | Stainless steel 1.4539 (904L) |  |  |
| Stainless steel 1.4541 (321) | Stainless steel 1.4541 (321) |  |  |
| Stainless steel 1.4571 (316Ti) | Stainless steel 1.4571 (316Ti) |  |  |
| ECTFE coating | ECTFE coating | 150 [302] |  |
| PFA (perfluoroalkoxy) coating, FDA | PFA (perfluoroalkoxy) coating, FDA | 260 [500] |  |
| PFA (perfluoroalkoxy) coating, antistatic | PFA (perfluoroalkoxy) coating, antistatic |  |  |
| Stainless steel 1.4404 (316L) | Gold plating | 400 [752] |  |
| Stainless steel 1.4404 (316L) | Wikaramic® coating |  |  |
| Hastelloy C22 (2.4602) | Hastelloy C22 (2.4602) | 260 [500] |  |
| Hastelloy C276 (2.4819) | Hastelloy C276 (2.4819) | 400 [752] |  |
| Inconel 600 (2.4816) | Inconel 600 (2.4816) |  |  |
| Inconel 625 (2.4856) | Inconel 625 (2.4856) |  |  |
| Incoloy 825 (2.4858) | Incoloy 825 (2.4858) |  |  |
| Monel 400 (2.4360) | Monel 400 (2.4360) |  |  |
| Nickel 200 (2.4060, 2.4066) | Nickel 200 (2.4060, 2.4066) | 260 [500] |  |
| Titanium class 2 (3.7035) | Titanium class 2 (3.7035) | 150 [302] |  |
| Titanium grade 2 (3.7035) | Titanium grade 2 (3.7035) |  |  |
| Titanium grade 7 (3.7235) | Titanium grade 11 (3.7225) | 300 [572] |  |
| Stainless steel 1.4435 (316L) | Stainless steel 1.4435 (316L) | Stainless steel 1.4435 (316L) | 400 [752] |
| Stainless steel 1.4539 (904L) | Stainless steel 1.4539 (904L) | Stainless steel 1.4539 (904L) |  |
| Stainless steel 1.4541 (321) | Stainless steel 1.4541 (321) | Stainless steel 1.4541 (321) |  |
| Stainless steel 1.4571 (316Ti) | Stainless steel 1.4571 (316Ti) | Stainless steel 1.4571 (316Ti) |  |
| Duplex 2205 (1.4462) | Duplex 2205 (1.4462) | Duplex 2205 (1.4462) | 300 [572] |
| Superduplex (1.4410) | Superduplex (1.4410) | Superduplex (1.4410) |  |
| Hastelloy C22 (2.4602) | Hastelloy C22 (2.4602) | Hastelloy C22 (2.4602) | 400 [752] |
| Hastelloy C276 (2.4819) | Hastelloy C276 (2.4819) | Hastelloy C276 (2.4819) |  |
| Inconel 600 (2.4816) | Inconel 600 (2.4816) | Inconel 600 (2.4816) |  |
| Inconel 625 (2.4856) | Inconel 625 (2.4856) | Inconel 625 (2.4856) |  |
| Incoloy 825 (2.4558) | Incoloy 825 (2.4858) | Incoloy 825 (2.4858) |  |
| Monel 400 (2.4360) | Monel 400 (2.4360) | Monel 400 (2.4360) |  |
| Nickel 200 (2.4060, 2.4066) | Nickel 200 (2.4060, 2.4066) | Nickel 200 (2.4060, 2.4066) |  |
| Titanium grade 2 (3.7035) | Titanium grade 2 (3.7035) | Titanium grade 2 (3.7035) |  |
| Titanium grade 7 (3.7235) | Titanium grade 7 (3.7235) | Titanium grade 11 (3.7225) |  |

| 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 |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|
| DN | Class | Dimensions in mm[in] | G 1 | Weight in kg [lbs] |  |  |  |  |  |
| Mb | D | b | d 4 | f | k |  |  |  |  |
| ½" | 150 | 52 [2.047] | 95 [3.74] | 28 [1.102] | 34.9 [1.374] | 2 [0.079] | 60.3 [2.374] | ½" UNC | 1.6 [3.5] |
| 300 |  |  |  |  |  | 66.7 [2.626] |  |  |  |
| 600 |  |  | 32 [1.26] |  | 7 [0.276] |  |  | 1.8 [4] |  |
| 1500 |  | 120 [4.724] | 40 [1.575] |  |  | 82.6 [3.252] | ¾" UNC | 3.6 [8] |  |
| ¾" | 150 |  | 100 [3.937] | 28 [1.102] | 42.9 [1.689] | 2 [0.079] | 69.9 [2.752] | ½" UNC | 1.7 [3.7] |
| 300 |  | 115 [4.528] | 25 [0.984] |  |  | 82.6 [3.252] | ⅝" UNC | 1.9 [4.2] |  |
| 600 |  |  | 25 [0.894] |  | 7 [0.276] |  |  | 2.2 [4.8] |  |
| 1500 |  | 130 [5.118] | 32.4 [1.276] |  |  | 88.9 [3.5] | ¾ " UNC | 3.3 [7.3] |  |
| 1" | 150 |  | 110 [4.331] | 22 [0.866] | 50.8 [2] | 2 [0.079] | 79.4 [3.13] | ½ " UNC | 1.6 [3.5] |
| 300 |  | 125 [4.921] |  |  |  | 88.9 [3.5] | ⅝ " UNC | 2.0 [4.4] |  |
| 600 |  |  | 24.5 [0.965] |  | 7 [0.276] |  |  | 2.3 [5] |  |
| 1500 |  | 150 [5.905] | 36 [1.417] |  |  | 101.6 [4] | ⅞" UNC | 4.8 [10.5] |  |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|
| DN | PN | Dimensions in mm[in] | G 1 | Weight in kg [lbs] |  |  |  |  |  |
|  |  | Mb | D | b | d 4 | f | k |  |  |
| 15 | 10/40 | 52 [2,047] | 95 [3.74] | 28 [1.102] | 45 [1.772] | 2 [0.079] | 65 [2.559] | M12 | 1.6 [3.5] |
|  | 63/100 |  | 105 [4.134] | 25 [0.984] |  |  | 75 [2.953] | M12 | 2.0 [4.4] |
|  | 160 |  |  |  |  |  |  | M12 | 2.1 [4.6] |
|  | 250 |  | 130 [5.118] | 26 [1.024] |  |  | 90 [3.543] | M16 | 3.2 [7] |
| 20 | 10/40 |  | 105 [4.134] | 25 [0.984] | 58 [2.283] |  | 75 [2.953] | M12 | 1.9 [4.2] |
| 25 | 10/40 |  | 115 [4.528] | 22 [0.866] | 68 [2.677] |  | 85 [3.346] | M12 | 2.1 [4.6] |
|  | 63/100 |  | 140 [5.512] | 24 [0.945] |  |  | 100 [3.937] | M16 | 3.2 [7] |
|  | 160 |  |  | 28 [1.102] |  |  |  | M16 | 3.6 [8] |
|  | 250 |  | 150 [5.905] |  |  |  | 105 [4.134] | M20 | 4.0 [8.8] |

| 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_ds9931_en_co_a555a8](https://avigan.com.ua/wika/docs/wika/ds_ds9931_en_co.pdf) — PDF, 448 KB, en
- [ds_in0006_en_co_af8b01](https://avigan.com.ua/wika/docs/wika/ds_in0006_en_co.pdf) — PDF, 1239 KB, en