WIKA · Pressure measurement · Family 981
In-line diaphragm seal
In-line diaphragm seal, cell-type, for flange connection with wide choice of special materials and options for aggressive media in chemical and petrochemical industries.
Range
0…400 bar
Price
On request
Depends on configuration
Special features
- Completely round, no corners and edges
- For direct installation between two flanges
- Wide choice of special materials
Identification
| Model | 981.10 |
| Product family | 981 |
| Subcategory | Diaphragm Seal |
Measuring range
| Pressure ranges | 0…0.6 bar · 0…400 bar · 6…400 bar · 150…2500 class |
Process conditions
| Process connection | EN 1092-1ASME B 16.5 |
| Process temperature | ≤ +140 °C |
Materials
| Wetted parts material | Stainless steel (AISI 316L), 1.4435, 1.4541, 1.4571, 1.4462, Monel 400, Hastelloy C276, Inconel 600, Incoloy 825, tantalum, Hastelloy B2, C4, C22, nickel |
Certifications and approvals
| Explosion protection | Flame arrester approved for Zone 0 |
Additional details
| Datasheet languages | EN |
Tables from datasheet
| DN inmm | PN in bar | Dimensions inmm | Weight in kg | ||
|---|---|---|---|---|---|
| D | Mb | L | |||
| 25 | 6 ... 400 | 63 | 28.5 | 60 | 1.4 |
| 40 | 6 ... 400 | 85 | 43 | 60 | 2.2 |
| 50 | 6 ... 320 | 95 | 54.5 | 60 | 2.5 |
| 80 | 6 ... 250 | 130 | 82.5 | 60 | 4.0 |
| 100 | 6 ... 160 | 150 | 107 | 60 | 4.7 |
| 125 | 6 | 178 | 132 | 60 | 6.8 |
| 125 | 10 ... 63 | 188 | 132 | 60 | 6.8 |
| 150 | 6 | 202 | 159 | 60 | 9.5 |
| 150 | 10 ... 63 | 212 | 159 | 60 | 9.5 |
| DN | Class | Dimensions inmm | Weight | ||
|---|---|---|---|---|---|
| D | Mb | L | in kg | ||
| 1" | 150 ... 2500 | 63 | 28.5 | 60 | 1.4 |
| 1 ½" | 150 ... 2500 | 78 | 43 | 60 | 2.2 |
| 2" | 150 ... 1500 | 95 | 54.5 | 60 | 2.5 |
| 3" | 150 ... 900 | 130 | 82.5 | 60 | 4.0 |
| 4" | 150 ... 600 | 150 | 107 | 60 | 4.7 |
| 5" | 150 ... 300 | 186 | 132 | 60 | 6.8 |
| 6" | 150 ... 300 | 216 | 159 | 60 | 9.5 |
Industry
Oil & Gas
For direct, permanent installation in pipelines · Petrochemical industry
Industry
Chemistry / Pharma
Chemical process industry
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1 standard articles of family 981
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