Diaphragm seal with sterile connection
Description
Diaphragm seals are used for the protection of pressure measuring instruments in applications with difficult media. In diaphragm seal systems, the diaphragm of the diaphragm seal effects the separation of the instrument and the medium. The pressure is transmitted to the measuring instrument via the system fill fluid which is inside the diaphragm seal system.
For the implementation of demanding customer applications, there are a wide variety of designs, materials and system fill fluids available.
For further technical information on diaphragm seals and diaphragm seal systems see IN 00.06 'Application, operating principle, designs'.
Diaphragm seal model 990.30 with directly mounted Bourdon tube pressure gauge with electrical output signal model PGT23.100
The model 990.30 diaphragm seal is a special development for homogeniser machines in sanitary applications. This diaphragm seal is available with process connections in various designs and is thus suitable for all common measuring points. The diaphragm seal systems ensure reliable measurements, even with high loading through vibrations and pressure spikes.
Mounting of the diaphragm seal to the measuring instrument may be made via a direct connection or a flexible capillary.
For the material selection WIKA offers a variety of solutions, in which the upper body of the diaphragm seal and the wetted parts can be made of identical or different materials.
Special features
- Process connection with flush, all welded diaphragm, with or without retainer flange
- For highest dynamic pressures ≤ 2,500 bar
- System fill fluids FDA and USP conform
- Robust, all welded design
| Model | 990.30 |
| Product family | 990 |
| Subcategory | Diaphragm seal |
| Pressure ranges | 0…160 bar · 0…1000 bar · 0…250 bar · 0…1600 bar · 0…400 bar · 0…2500 bar · 0…600 bar · 0…2000 psi · 0…10000 psi · 0…4000 psi · 0…15000 psi · 0…6000 psi · 0…20000 psi |
| Process temperature | +10…+100 °C |
| Case material | Stainless steel 1.4435 (316L), Stainless steel 1.4542 (316L) |
| Wetted parts material | Stainless steel 1.4435 (316L), Stainless steel 1.4571 (316Ti) |
| Ambient temperature | +10…+40 °C |
| Certifications | 3-A Sanitary StandardCRNMChS (option) |
| Datasheet languages | EN |
| Model 990.30 | Standard | Option | |
|---|---|---|---|
| Measuring ranges in bar (psi) | 0 ... 160 bar (2,320 psi) 0 ... 250 bar (3,626 psi) 0 ... 400 bar (5,800 psi) 0 ... 600 bar (8,700 psi) | 0 ... 1,000 bar (14,500 psi) 0 ... 1,600 bar (23,200 psi) 0 ... 2,500 bar (36,260 psi) | Other measuring ranges on request |
| Measuring ranges in psi | 0 ... 2,000 psi 0 ... 4,000 psi 0 ... 6,000 psi | 0 ... 10,000 psi 0 ... 15,000 psi 0 ... 20,000 psi | |
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level F, WIKA standard (< 1,000 mg/m 2 ) | ■ 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 | |
| Type of mounting | Direct mounting | Capillary | |
| System fill fluid | KN 92 | KN 7 | |
| Surface roughness | Ra ≤ 0.76 µm | Ra ≤ 0.38 µm (only with 1.4435) | |
| Permissible temperature range Medium Ambient CIP , SIP Storage | 10 ... 100 °C (50 ... 212 °F) 10 ... 40 °C (50 ... 104 °F) ≤ 130 °C (≤ 266 °F) 10 ... 60 °C (50 ... 140 °F) | - |
| Model | Ex version | Data sheet | |
|---|---|---|---|
| 232.50.100 | Bourdon tube pressure gauge | Option: Ignition protection type 'c', constructive safety | PM02.02 |
| 232.30.100 | Bourdon tube pressure gauge, safety version | Option: Ignition protection type 'c', constructive safety | PM02.04 |
| PGT23.100 | Bourdon tube pressure gauge with electri- cal output signal | Option: Intrinsically safe Ex i | PV 12.04 |
| S-20 | Pressure sensor for superior industrial applications | - | PE 81.61 |
| IS-3 | Pressure transmitter intrinsically safe Ex i | Standard: Intrinsically safe Ex i | PE 81.58 |
| PSD-4 | Electronic pressure switch with display | - | PE 81.86 |
| UPT-20 | Process transmitter | Option: Intrinsically safe Ex i | PE 86.05 |
| CPG1500 | Precision digital pressure gauge | Standard: Intrinsically safe Ex i | CT 10.51 |
| Maximum permissible process pressure | Upper body of diaphragm seal | Wetted parts (diaphragm) | Maximum permissible pro- cess temperature ¹⁾ in °C (°F) |
|---|---|---|---|
| ≤ PN 600 | Stainless steel 1.4435 (316L) | Stainless steel 1.4435 (316L), standard version | 400 (752) |
| > PN 600 | Stainless steel 1.4542 (316L) | Stainless steel 1.4571 (316Ti) |
| Mb | d₁ | d₂ | d₃ | L₁ | L₂ | L₃ | L₄ | L |
|---|---|---|---|---|---|---|---|---|
| 22 | 24 / 31 | 23.8 / 26 | 34.9 / 37.5 | 30 (1.18) | 13.5 / 10 | 10 / 10 | 77 (3.031) | 150 (5.905) |
| (0.866) | (0.945 / 1.22) | (0.937 / 1.024) | (1.374 / 1.476) | 50 (1.968) | (0.531 / 0.394) | (0.394 / 0.394) | 97 (3.819) | 170 (6.693) |
| 80 (3.15) | 127 (5) | 200 (7.874) | ||||||
| 100 (3.937) | 147 (5.787) | 220 (8.661) |
View all (11)
| Mb | d₁ | d₂ | d₃ | L₁ | L₂ | L₃ | L₄ | L |
|---|---|---|---|---|---|---|---|---|
| 22 | 22 (0.866) | 23.8 (0.937) | 34.9 (1.374) | 30 (1.18) | 13.5 (0.531) | 10 (0.394) | 77 (3.031) | 150 (5.905) |
| (0.866) | 50 (1.968) | 97 (3.819) | 170 (6.693) | |||||
| 80 (3.15) | 127 (5) | 200 (7.874) | ||||||
| 100 (3.937) | 147 (5.787) | 220 (8.661) |
| Mb | d₁ | d₂ | d₃ | L₁ | L₂ | L₃ | L 4 | L |
|---|---|---|---|---|---|---|---|---|
| 22 | 24 / 31 | 23.8 / 26 | 34.9 / 37.5 | 30 (1.18) | 13.5 / 10 | 10 / 10 | 60.5 (2.382) | 150 (5.905) |
| (0.866) | (0.945 / 1.22) | (0.937 / 1.024) | (1.374 / 1.476) | 50 (1.968) | (0.531 / 0.394) | (0.394 / 0.394) | 80.5 (3.169) | 170 (6.693) |
| 80 (3.15) | 110.5 (4.35) | 200 (7.874) | ||||||
| 100 (3.937) | 130.5 (5.138) | 220 (8.661) |
| Mb | d₁ | d₂ | d₃ | L₁ | L₂ | L₃ | L 4 | L |
|---|---|---|---|---|---|---|---|---|
| 22 | 22 (0.866 | 23.5 (0.925) | 32 (1.26) | 30 (1.18) | 13 (0.512) | 1 (0.394) | 60.5 (2.382) | 150 (5.905) |
| (0.866) | 50 (1.968) | 80.5 (3.169) | 170 (6.693) | |||||
| 80 (3.15) | 110.5 (4.35) | 200 (7.874) | ||||||
| 100 (3.937) | 130.5 (5.138) | 220 (8.661) |
| Logo | Description | Country |
|---|---|---|
| ® | 3-A Sanitary Standard This instrument is 3-A marked, based on a third party verification for conformance to the 3-A standard. Only in combination with COP (cleaning out of place). | USA |
| - | CRN Safety (e.g. electr. safety, overpressure, ...) | Canada |
| - | MChS (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 |
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