WIKA · Pressure measurement · Family 990
Flanged Process Connection, Diaphragm Seals
Diaphragm seal for flange connection with flush diaphragm, cell-type, for aggressive, viscous, crystallising or hot media in process industry and high-pressure applications.
2.2 test report per EN 10204EN 10204 2.2EN 10204 3.1
Price
On request
Depends on configuration
Description
Diaphragm seals are used to protect pressure measuring instruments in demanding applications under difficult conditions. These diaphragm seal systems, consisting of a process transmitter, pressure sensor, pressure gauge or pressure switch with diaphragm seal, can be combined individually for each customer application. For this, a wide range of different designs, process connections, mounting types and wetted materials are available.
Diaphragm seal models with flange connections are available with flush or internal diaphragms, in tubular design or as in-line diaphragm seals.
Special features
- Compact cell-type
- Intermediate flange with flush diaphragm
- Common standards and nominal widths available
- Wide variety of different materials and material combinations
- Instrument connection via radial gauge adapter
Identification
| Model | 990.28 |
| Product family | 990 |
| Subcategory | Flange connection, cell-type |
Accuracy
| Safety integrity level (SIL) | SIL according to IEC 61508 / IEC 61511 |
Process conditions
| Process connection | DIN EN 1092-1ASME B16.5-2017GOST 33259JIS B2220DN 40, DN 50, DN 80, DN 100, DN 125 (DIN EN 1092-1)1 ½", 2", 3", 4", 5" (ASME B16.5-2017)DN 40, DN 50, DN 80, DN 100, DN 125 (GOST 33259)DN 40A, DN 50A, DN 80A, DN 100A (JIS B2220) |
| Process temperature | −20…+400 °C |
Materials
| Case material | Stainless steel 1.4404 (316L), Titanium grade 7 (3.7235), 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 2507 (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 (2.4066), Nickel 201 (2.4068), Titanium grade 2 (3.7035), Titanium grade 11 (3.7225), Tantalum |
| Wetted parts material | 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 (2.4066), Nickel 201 (2.4068), Titanium grade 2 (3.7035), Titanium grade 11 (3.7225), Tantalum, ECTFE, PFA (perfluoroalkoxy), Gold, Stainless steel 1.4404 (316L), Stainless steel 1.4404 / 1.4435 (316L), Stainless steel 1.4539 (904L), Stainless steel 1.4541 (321), Stainless steel 1.4571 (316Ti), Duplex 2205 (1.4462), Superduplex 2507 (1.4410), Wikaramic, Stainless steel 1.4435 (316L), Wikaramic®, Titanium grade 7 (3.7235) |
| Sealing material | ECTFE, PFA (perfluoroalkoxy), Gold, Wikaramic® |
Certifications and approvals
| Certifications | 2.2 test report per EN 102043.1 inspection certificate per EN 10204EN 10204 2.2EN 10204 3.1 |
Additional details
| Datasheet languages | EN |
Tables from datasheet
| Data sheet number | Title |
|---|---|
| IN 00.06 | Diaphragm seals and diaphragm seal systems, application - functionality - design |
| IN 00.25 | Diaphragm seal systems for vacuum processes |
| IN 00.21 | General information about NACE standards for sour gas applications |
| IN 00.41 | Specifications of oil- and grease-free instruments |
Basic information for diaphragm seal systems
| Version | Diaphragm seal with flange connection, cell-type |
|---|---|
| Other versions | ■ Per NACE 1) MR0175 / ISO 15156, use in H ₂ S-containing environments in oil and gas production ■ Per NACE 1) MR0103 / ISO 17945, metals resistant to hydrogen sulphide stress crack - ing ■ With pre-volume deflagration flame arrester 2) for mounting to zone 0 (EPL Ga); model 910.21; see data sheet AC 91.02 |
| Pressure range | The maximum permissible operating pressure must be determined individually for each diaphragm seal system. It is dependent on the operating temperature, the process connec- tion, the joining method, the system fill fluid and the mounted measuring instrument. |
| Connection to the instrument | Suitable connection adapter to the instrument (e.g.G½, G¼, ½NPTor ¼NPT) |
| Mounting type | Capillary with handling tube |
| Vacuum service 3) | ■ Basic service ■ Advanced service ■ Premium service |
| Process connection | |||
|---|---|---|---|
| Standard 1) | ■ DIN EN 1092-1 ■ ASME B16.5-2017 ■ GOST 33259 ■ JIS B2220 | ||
| Size | |||
| DIN EN 1092-1 | ■ DN 40 ■ DN 100 | ■ DN 50 ■ DN 125 | ■ DN 80 |
| ASME B16.5-2017 | ■ 1 ½" ■ 4" | ■ 2" ■ 5" | ■ 3" |
| GOST 33259 | ■ DN 40 ■ DN 100 | ■ DN 50 ■ DN 125 | ■ DN 80 |
| JIS B2220 | ■ DN 40A ■ DN 100A | ■ DN 50A | ■ DN 80A |
Process connection
| Sealing geometry | ||
|---|---|---|
| DIN EN 1092-1 | ■ Form B1 ■ Form A ■ Form B2 ■ Form C (tongue) | ■ Form D (groove) ■ Form E (spigot) ■ Form F (recess) |
| ASME B16.5-2017 | ■ RF 125 ... 250 AA ■ RFSF ■ Flat face ■ Small tongue ■ Small male face ■ Small groove | ■ Small female face ■ Large tongue ■ Large male face ■ Large groove ■ Large female face ■ RJF groove |
| GOST 33259 | ■ Type B ■ Type A (flat face) ■ Type C (tongue) | ■ Type D (groove) ■ Type E (spigot, male face) ■ Type F (recess, female face) |
| JIS B2220 | RF | |
| Wetted parts | Diaphragm and raised face →See tables below for material selection | |
| Origin of wetted parts | ■ International ■ Exclusively from EU, CH, GB, US, CA | |
| Level of cleanliness of wetted parts 2) | ■ Oil- and grease-free perWIKA specification (< 1,000 mg/m 2 ) ■ Oil- and grease-free per ASTM G93-03 level D (< 220 mg/m 2 ) |
View all (17)
| Material combination | Maximum permissible temperature 1) in °C [°F] | |
|---|---|---|
| Wetted parts | ||
| Diaphragm seal Stainless steel 1.4404 (316L) | Stainless steel 1.4404 / 1.4435 (316L) | 400 [752] |
| Hastelloy C22 (2.4602) 2) | 260 [500] | |
| Hastelloy C276 (2.4819) 2) 3) | 400 [752] | |
| Inconel 600 (2.4816) 2) | 400 [752] | |
| Inconel 625 (2.4856) 2) | 400 [752] | |
| Incoloy 825 (2.4858) 2) | 400 [752] | |
| Monel 400 (2.4360) 2) | 400 [752] | |
| Nickel 200 (2.4066) 2) | 260 [500] | |
| Nickel 201 (2.4068) 2) | 260 [500] | |
| Titanium grade 2 (3.7035) 2) | 150 [302] | |
| Titanium grade 11 (3.7225) 2) | 150 [302] | |
| Tantalum 2) 3) | 300 [572] | |
| Titanium grade 7 (3.7235) | Titanium grade 7 (3.7235) / Titanium grade 11 (3.7225) | 250 [482] |
| Material | Maximum permissible |
|---|---|
| Diaphragm seal and wetted parts | temperature 1) in °C [°F] |
| Stainless steel 1.4435 (316L) | 400 [752] |
| Stainless steel 1.4539 (904L) | 400 [752] |
| Stainless steel 1.4541 (321) | 400 [752] |
| Stainless steel 1.4571 (316Ti) | 400 [752] |
| Duplex 2205 (1.4462) | 250 [482] |
| Superduplex 2507 (1.4410) | 250 [482] |
| Hastelloy C22 (2.4602) | 400 [752] |
| Hastelloy C276 (2.4819) | 400 [752] |
| Inconel 600 (2.4816) | 400 [752] |
| Inconel 625 (2.4856) | 400 [752] |
| Incoloy 825 (2.4858) | 400 [752] |
| Monel 400 (2.4360) | 400 [752] |
| Nickel 200 (2.4066) | 300 [572] |
| Nickel 201 (2.4068) | 400 [752] |
| Titanium grade 2 (3.7035) | 300 [572] |
| Material of coating 1) | Maximum permissible temperature 2) in °C [°F] |
|---|---|
| Wetted parts | |
| ECTFE | 150 [302] |
| PFA (perfluoroalkoxy), FDA | 260 [500] |
| PFA (perfluoroalkoxy), anti-static | 260 [500] |
| Gold | 400 [752] |
| Wikaramic ® | 400 [752] |
| Logo | Description | Country |
|---|---|---|
| - | MChS Permission for commissioning | Kazakhstan |
| - | CRN Safety (e.g. electr. safety, overpressure, ...) | Canada |
Certificates
| Certificates | ■ 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, material proof, indication accuracy for diaphragm seal systems) ■ 3.1 inspection certificate per EN 10204 (e.g. material proof for wetted metal parts, indication accuracy for diaphragm seal systems) |
|---|
| DN | PN in bar | Dimensions in mm[in] | Weight in kg [lb] | ||
|---|---|---|---|---|---|
| Mb | d₄ | b | |||
| 40 | 10 ... 400 | 45 [1.772] | 88 [3.465] | 20 [0.787] | 1.0 [2.205] |
| 50 | 10 ... 400 | 60 [2.362] | 102 [4.016] | 20 [0.787] | 1.3 [2.866] |
| 80 | 10 ... 400 | 90 [3.543] | 138 [5.433] | 20 [0.787] | 2.3 [5.071] |
| 100 | 10 ... 16 | 90 [3.543] | 158 [6.220] | 20 [0.787] | 3.1 [6.834] |
| 100 | 25 ... 400 | 90 [3.543] | 162 [6.378] | 20 [0.787] | 3.2 [7.055] |
| 125 | 10 ... 400 | 124 [1.772] | 188 [7.402] | 22 [0.866] | 4.8 [10.582] |
| Flange material | DN | PN | Maximum allowable pressure in bar [psi] at ambient temperature 21 °C [60.8 °F] |
|---|---|---|---|
| Nickel 200 (2.4066) | 25, 40, 50, 80, 100, 125 | 10 | 7.4 [107] |
| 16 | 11.9 [172] | ||
| 25 | 18.6 [269] | ||
| 40 | 29.7 [430] | ||
| 63 | 46.8 [678] | ||
| 100 | 74.4 [1,078] | ||
| 160 | 119 [1,725] | ||
| 250 | 186 [2,697] | ||
| Nickel 201 (2.4068) | 25, 40, 50, 80, 100, 125 | 10 | 6.2 [89] |
| 16 | 10 [145] | ||
| 25 | 15.6 [226] | ||
| 40 | 25 [362] | ||
| 63 | 39.3 [569] | ||
| 100 | 62.5 [906] | ||
| 160 | 100 [1,450] | ||
| 250 | 156.2 [2,264] |
| DN | Class | Dimensions in mm[in] | Weight in kg [lb] | ||
|---|---|---|---|---|---|
| Mb | d₄ | b | |||
| 1 ½" | 150 ... 2500 | 45 [1.772] | 73 [2.874] | 20 [0.787] | 0.7 [1.543] |
| 2" | 150 ... 2500 | 60 [2.362] | 92.1 [3.626] | 20 [0.787] | 1.0 [2.205] |
| 3" | 150 ... 2500 | 90 [3.543] | 127 [5.0] | 20 [0.787] | 2.0 [4.409] |
| 4" | 150 ... 2500 | 90 [3.543] | 157.2 [6.189] | 20 [0.787] | 3.0 [6.614] |
| 5" | 150 ... 2500 | 124 [1.772] | 185.7 [7.311] | 22 [0.866] | 4.7 [10.362] |
| DN | PN in bar | Dimensions in mm[in] | Weight in kg [lb] | ||
|---|---|---|---|---|---|
| Mb | d₄ | b | |||
| 40 | 16 ... 200 | 45 [1.772] | 88 [3.465] | 20 [0.787] | 1.0 [2.205] |
| 50 | 16 ... 200 | 60 [2.362] | 102 [4.016] | 20 [0.787] | 1.3 [2.866] |
| 80 | 16 ... 200 | 90 [3.543] | 133 [5.236] | 20 [0.787] | 2.3 [5.071] |
| 100 | 16 ... 200 | 90 [3.543] | 158 [7.244] | 20 [0.787] | 3.1 [6.834] |
| 125 | 16 ... 200 | 90 [3.543] | 184 [7.402] | 22 [0.866] | 4.8 [10.582] |
| DN | PN | Dimensions in mm[in] | Weight in kg [lb] | ||
|---|---|---|---|---|---|
| Mb | d₄ | b | |||
| 40A | 10K ...20K | 45 [1.772] | 81 [3.189] | 20 [0.787] | 0.8 [1.764] |
| 30K ...63K | 45 [1.772] | 90 [4.016] | 20 [0.787] | 1.0 [2.205] | |
| 50A | 10K ...20K | 60 [2.362] | 96 [3.78] | 20 [0.787] | 1.1 [2.425] |
| 30K ...63K | 60 [2.362] | 105 [4.134] | 20 [0.787] | 1.4 [3.086] | |
| 80A | 10K | 90 [3.543] | 126 [4.961] | 20 [0.787] | 2.0 [4.409] |
| 16K ...20K | 90 [3.543] | 132 [5.197] | 22 [0.866] | 2.4 [5.291] | |
| 30K ...63K | 90 [3.543] | 140 [5.512] | 22 [0.866] | 2.7 [5.952] | |
| 100A | 10K | 90 [3.543] | 151 [5.945] | 22 [0.866] | 3.1 [6.834] |
| 16K ...30K | 90 [3.543] | 160 [6.299] | 22 [0.866] | 3.5 [7.716] | |
| 40K ...63K | 90 [3.543] | 162 [6.378] | 22 [0.866] | 3.7 [8.157] |
| Flange material | DN | PN | Maximum allowable pressure in MPa [psi] at ambient temperature 21 °C [60.8 °F] |
|---|---|---|---|
| Nickel 200 (2.4066) | 25A, 50A, 80A, 100A | 5K | 0.4 [63] |
| 10K | 0.8 [126] | ||
| 16K | 1.6 [244] | ||
| 20K | 2.1 [308] | ||
| 30K | 3.1 [462] | ||
| 40K | 4.2 [616] | ||
| 63K | 6.6 [969] | ||
| Nickel 201 (2.4068) | 25A, 50A, 80A, 100A | 5K | 0.3 [53] |
| 10K | 0.7 [106] | ||
| 16K | 1.4 [205] | ||
| 20K | 1.7 [258] | ||
| 30K | 2.6 [388] | ||
| 40K | 3.5 [517] | ||
| 63K | 5.6 [814] |
| Flange material | DN | PN | Maximum allowable pressure in MPa [psi] at ambient temperature 21 °C [60.8 °F] |
|---|---|---|---|
| Monel 400 (2.4360) | 25A, 50A, 80A, 100A | 5K | 0.4 [69] |
| 10K | 0.9 [138] | ||
| 16K | 1.8 [266] | ||
| 20K | 2.3 [335] | ||
| 30K | 3.4 [502] | ||
| 40K | 4.6 [670] | ||
| 63K | 7.2 [1,055] | ||
| Inconel 600 (2.4816) | 25A, 50A, 80A, 100A | 5K | 0.5 [73] |
| 10K | 1 [146] | ||
| 16K | 1.9 [281] | ||
| 20K | 2.4 [355] | ||
| 30K | 3.6 [532] | ||
| 40K | 4.8 [710] | ||
| 63K | 7.7 [1,117] | ||
| Incoloy 825 (2.4858) | 25A, 50A, 80A, 100A | 5K | 0.6 [89] |
| 10K | 1.2 [178] | ||
| 16K | 2.3 [344] | ||
| 20K | 2.9 [433] | ||
| 30K | 4.4 [650] | ||
| 40K | 5.9 [867] | ||
| 63K | 9.4 [1,365] | ||
| Titanium grade 2 (3.7035) | 25A, 50A, 80A, 100A | 5K | 0.6 [87] |
| 10K | 1.2 [175] | ||
| 16K | 2.3 [337] | ||
| 20K | 2.9 [425] | ||
| 30K | 4.3 [637] | ||
| 40K | 5.8 [850] | ||
| 63K | 9.2 [1,338] | ||
| Titanium grade 7 (3.7235) | 25A, 50A, 80A, 100A | 5K | 0.6 [87] |
| 10K | 1.2 [175] | ||
| 16K | 2.3 [337] | ||
| 20K | 2.9 [425] | ||
| 30K | 4.3 [637] | ||
| 40K | 5.8 [850] | ||
| 63K | 9.2 [1,338] |
| Model | Description Order | number | |
|---|---|---|---|
| 910.27 | Flushing ring for flange-connection diaphragm seals →See data sheet AC 09.05 | On request | |
| IBF2, IBF3 | Monoblock with flange connection →See data sheet AC 09.25 | On request | |
| 910.16 | Form H instrument mounting bracket per DIN 16281, 100 mm, aluminium, black | 9091858 | |
| Form H instrument mounting bracket per DIN 16281, 100 mm, stainless steel | 9091882 | ||
| →See data sheet AC 09.05 | On request |
Industry
Chemistry / Pharma
Process industry
Industry
Machinery
High-pressure applications
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