# אטם דיאפרגמה עם חיבור באמצעות אוגן — 990.26

> אטם דיאפרגמה עם חיבור אוגן, דגם 990.26, עם דיאפרגמה פנימית למדיה אגרסיבית, צמיגה, מתגבשת או חמה בתעשיית התהליכים.

- קוד קטלוגי: 990_26
- דגם: 990.26
- קטגוריה: מדידת לחץ › Diaphragm seals
- עמוד המוצר: https://avigan.com.ua/wika/he/products/990_26
- מחיר: לפי בקשה
- ספק: AVIGAN (TOV VIKA Prylad), שותף רשמי של WIKA באוקראינה

## תיאור

אטם דיאפרגמה 990.26 מתאים במיוחד ליישומים עם חיבורי תהליך קטנים. בשל טווחי מדידה נמוכים של הדיאפרגמה הפנימית ניתן ...

## יישומים

- Aggressive, highly viscous, crystallising or hot media
- Process industry
- Small flange process connections

## תכונות מיוחדות

- Flange with internal, all welded diaphragm
- Compact design

## מפרט טכני

| פרמטר | ערך |
|---|---|
| model | 990.26 |
| product family | 990 |
| short description | Diaphragm seal with flange connection, model 990.26, with internal diaphragm for aggressive, viscous, crystallising or hot media in process industry. |
| subcategory | Diaphragm seal with flange connection |
| certifications | EAC; CRN; MTSCHS |
| weight kg | 1 |
| languages in datasheet | en |
| pressure ranges | 400 … 400 mbar; 6 … 6 bar; 0.4 … 400 mbar |
| process connections | DN 15; DN 20; DN 25; 1"; DN 15A; DN 20A; DN 25A; ½"; ¾"; 1/2"; 3/4" |
| case material | Stainless steel 1.4404 (316L); Stainless steel 1.4539 (904L); Stainless steel 1.4541 (321); Stainless steel 1.4571 (316Ti); Stainless steel 1.4435 (316L); 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 201 (2.4068); Nickel 200 (2.4060, 2.4066); Titanium grade 2 (3.7035); Titanium grade 7 (3.7235); Titanium grade 11 (3.7225); 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 201(2.4068); Nickel 200(2.4060,2.4066); Titanium grade 2(3.7035); Titanium grade 7(3.7235); Titanium grade 11(3.7225); Duplex 2205(1.4462); Superduplex(1.4410) |
| wetted parts material | Stainless steel 1.4404 (316L); Stainless steel 1.4539 (904L); Stainless steel 1.4541 (321); Stainless steel 1.4571 (316Ti); Tantalum; 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 201 (2.4068); Nickel 200 (2.4060, 2.4066); Titanium grade 2 (3.7035); Titanium grade 7 (3.7235); Titanium grade 11 (3.7225); Stainless steel 1.4435 (316L); PTFE lining; PFA coating; Duplex 2205 (1.4462); Superduplex (1.4410); PFA (perfluoroalkoxy); PFA(perfluoroalkoxy) coating, FDA; PFA(perfluoroalkoxy) coating, antistatic; Hastelloy C22(2.4602); Hastelloy C276(2.4819); Inconel 600(2.4816); Inconel 625(2.4856); Incoloy 825(2.4858); Monel 400(2.4360); Duplex 2205(1.4462); Superduplex(1.4410); Nickel 201(2.4068); Nickel 200(2.4060,2.4066); Titanium grade 2(3.7035); Titanium grade 7(3.7235); Titanium grade 11(3.7225) |
| sealing material | PTFE; PFA |
| process temp | -273 … 400 °C |

## טבלאות מגיליון הנתונים

| Model 990.26 | Standard | Option |
|---|---|---|
| Pressure range | From 400 mbar [5.8 psi] depending on diaphragm diameter For diaphragm seal systems with pressure gauges from 6 bar [87 psi] |  |
| Level of cleanliness of wetted parts | Oil- and grease-free per ASTM G93-03 level FWIKA standard (< 1,000 mg/m 2 ) | Oil- and grease-free per ASTM G93-03 level D and ISO 15001 (< 220 mg/m 2 ) |
| Origin of wetted parts | International | EU, CH, USA |
| Connection to the measuring instrument | Axial connection adapter | Axial connection adapter with female thread G½, G¼, ½NPTor¼NPT |
| Mounting type | Direct mounting | ■ Capillary ■ Cooling element |
| Version 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 | Flange size | Sealing face |  |
|  |  | Standard | Option |
| In line with DIN EN 1092-1 | DN 15 | Form B1 | Form B2 |
| DN 20 |  |  |  |
| DN 25 |  |  |  |
| In line with ASME B16.5 | ½" | RF 125 ... 250 AA | RFSF |
| ¾" |  |  |  |
| 1" |  |  |  |
| In line with GOST 33259 | DN 15 | Type B | - |
| DN 20 |  |  |  |
| DN 25 |  |  |  |
| In line with JIS B 2220 | DN 15A | RF | - |
| DN 20A |  |  |  |
| DN 25A |  |  |  |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Upper body of diaphragm seal | Wetted parts | Maximum permissible process temperature 1) |  |
| Raised face insert | Diaphragm | in °C [°F] |  |
| Stainless steel 1.4404 (316L) | Stainless steel 1.4404 (316L) | Stainless steel 1.4435 (316L) | 400 [752] |
| Stainless steel 1.4404 (316L) | Stainless steel 1.4404 (316L) |  |  |
| 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) |  |  |
| Stainless steel 1.4404 (316L) with PTFE lining | PFA (perfluoroalkoxy) coating, FDA | 260 [500] |  |
| Stainless steel 1.4404 (316L) with PTFE lining | PFA (perfluoroalkoxy) coating, antistatic |  |  |
| 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) |  |  |
| Tantalum | Tantalum | 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 201 (2.4068) | Nickel 201 (2.4068) | Nickel 201 (2.4068) |  |
| 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) |  |
| Titanium grade 11 (3.7225) | Titanium grade 11 (3.7225) | 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 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| DN | PN | Dimensions in mm[in] | x | Weight in kg [lbs] |  |  |  |  |  |  |
| Mb | D | b | d 2 | f | k | d₄ |  |  |  |  |
| 15 | 10-40 | 40 [1.575] | 95 [3.74] | 22 [0.866] | 14 [0.551] | 2 [0.079] | 65 [2.559] | 45 [1.772] | 4 | 1 [2.2] |
| 20 | 10-40 | 40 [1.575] | 105 [4.134] | 22 [0.866] | 14 [0.551] | 2 [0.079] | 75 [2.953] | 58 [2.283] | 4 | 1.3 [2.9] |
| 25 | 10-40 | 52 [2.047] | 115 [4.528] | 22 [0.866] | 14 [0.551] | 2 [0.079] | 85 [3.346] | 68 [2.677] | 4 | 1.5 [3.3] |

| Flange material | DN | PN | Maximum allowable pressure in bar [psi] at ambient temperature 21 °C [60.8 °F] |
|---|---|---|---|
| Nickel 200 (2.4066) | 15, 20, 25 | 10 | 7.4 [107] |
|  | 16 | 11.9 [172] |  |
|  | 25 | 18.6 [269] |  |
|  | 40 | 29.7 [430] |  |
| Nickel 201 (2.4068) | 15, 20, 25 | 10 | 6.2 [89] |
|  | 16 | 10 [145] |  |
|  | 25 | 15.6 [226] |  |
|  | 40 | 25 [362] |  |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| DN | Class | Dimensions in mm[in] | x | Weight in |  |  |  |  |  |  |
|  |  | Mb | D | b | d 2 | f | k | d₄ |  | kg [lbs] |
| ½" | 150 | 32 [1.26] | 90 [3.543] | 22 [0.866] | 16 [0.63] | 2 [0.079] | 60.3 [2.374] | 34.9 [1.374] | 4 | 1 [2.2] |
|  | 300 | 40 [1.575] | 95 [3.740] | 22 [0.866] | 16 [0.63] | 2 [0.079] | 66.7 [2.626] | 34.9 [1.374] | 4 | 1 [2.2] |
| ¾" | 150 | 40 [1.575] | 100 [3.937] | 22 [0.866] | 16 [0.63] | 2 [0.079] | 69.9 [2.752] | 42.9 [1.689] | 4 | 1.1 [2.4] |
|  | 300 | 40 [1.575] | 115 [4.528] | 22 [0.866] | 19 [0.748] | 2 [0.079] | 82.6 [3.252] | 42.9 [1.689] | 4 | 1.6 [3.5] |
| 1" | 150 | 52 [2.047] | 110 [4.331] | 22 [0.866] | 16 [0.63] | 2 [0.079] | 79.4 [3.126] | 50.8 [2] | 4 | 1.4 [3] |
|  | 300 | 52 [2.047] | 125 [4.921] | 22 [0.866] | 19 [0.748] | 2 [0.079] | 88.9 [3.5] | 50.8 [2] | 4 | 1.7 [3.7] |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| DN | PN | Dimensions in mm[in] | x | Weight in kg [lbs] |  |  |  |  |  |  |
| Mb | D | b | d 2 | f | k | d₄ |  |  |  |  |
| 15 | 10-40 | 40 [1.575] | 95 [3.74] | 22 [0.866] | 14 [0.551] | 2 [0.079] | 65 [2.559] | 47 [1.85] | 4 | 1 [2.2] |
| 20 | 10-40 | 40 [1.575] | 105 [4.134] | 22 [0.866] | 14 [0.551] | 2 [0.079] | 75 [2.953] | 58 [2.283] | 4 | 1.3 [2.9] |
| 25 | 10-40 | 52 [2.047] | 115 [4.528] | 22 [0.866] | 14 [0.551] | 2 [0.079] | 85 [3.346] | 68 [2.677] | 4 | 1.5 [3.3] |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| DN | PN | Dimensions in mm[in] | x | Weight in kg [lbs] |  |  |  |  |  |  |
| Mb | D | b | d 2 | f | k | d₄ |  |  |  |  |
| 15 | 10K - 20K | 40 [1.575] | 95 [3.74] | 21 [0.827] | 15 [0.591] | 1 [0.04] | 70 [2.756] | 51 [2.008] | 4 | 1 [2.2] |
| 20 | 10K - 20K | 40 [1.575] | 100 [3.937] | 21 [0.827] | 15 [0.591] | 1 [0.04] | 75 [2.953] | 56 [2.205] | 4 | 1.3 [2.9] |
| 25 | 10K - 20K | 52 [2.047] | 125 [4.921] | 21 [0.827] | 19 [0.748] | 1 [0.04] | 90 [3.543] | 67 [2.638] | 4 | 1.7 [3.7] |

| Flange material | DN | PN | Maximum allowable pressure in MPa [psi] at ambient temperature 21 °C [60.8 °F] |
|---|---|---|---|
| Nickel 200 (2.4066) | 15, 20, 25 | 10K | 0.7 [101] |
| 16K | 1.4 [202] |  |  |
| 20K | 1.8 [261] |  |  |
| Nickel 201 (2.4068) | 15, 20, 25 | 10K | 0.9 [130] |
| 16K | 1.7 [246] |  |  |
| 20K | 2.1 [304] |  |  |
| Monel 400 (2.4360) | 15, 20, 25 | 10K | 1 [145] |
| 16K | 1.8 [261] |  |  |
| 20K | 2.3 [333] |  |  |
| Inconel 600 (2.4816) | 15, 20, 25 | 10K | 1 [145] |
| 16K | 1.9 [275] |  |  |
| 20K | 2.4 [348] |  |  |
| Incoloy 825 (2.4558) | 15, 20, 25 | 10K | 1.2 [174] |
| 16K | 2.4 [348] |  |  |
| 20K | 3 [435] |  |  |
| Titanium grade 2 (3.7035) | 15, 20, 25 | 10K | 1.2 [174] |
| 16K | 2.3 [333] |  |  |
| 20K | 2.9 [420] |  |  |
| Titanium grade 7 (3.7235) | 15, 20, 25 | 10K | 1.2 [174] |
| 16K | 2.3 [333] |  |  |
| 20K | 2.9 [420] |  |  |

| 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 |

## מסמכים

- [ds_ds9926_en_co_4b306e](https://avigan.com.ua/wika/docs/wika/ds_ds9926_en_co.pdf) — PDF, 478 KB, en
- [ds_in0006_en_co_af8b01](https://avigan.com.ua/wika/docs/wika/ds_in0006_en_co.pdf) — PDF, 1239 KB, en