Model 981.10
Nhà sản xuất Wika, Germany
Diaphragm In-Line Seals
For Flanged Connections, Cell-Type (Sandwich)
Applications
- For direct, permanent installation in pipelines
- For flowing, pure and aggressive media
- Chemical process industry
- Petrochemical industry
Special Features
- Completely round, no corners and edges, European Patent No. 0629846
- For direct installation between two flanges
- Wide choice of special materials
Description
Process connection
- For flanges following EN 1092-1 / ASME B 16.5
- Nominal sizes see drawing and tables
- Sealing faces, Form B1 or ASME RF 125 … 250 AA
Pressure rating
- PN 6 … 400 or class 150 … 2500
Pressure ranges
- Preferably assembled on pressure gauges
- NS 63, 100, 160 or pressure transmitters, measuring ranges 0 … 0.6 to 0 … 400 bar
Body and material of wetted parts
- Stainless steel (AISI 316L)
Measuring instrument connection
- Pressure gauge or transmitter directly welded, process pressure transmitter with threaded adapter
System fill fluid
- KN2, Silicone oil
Options
Process connection
- Sealing faces per EN 1092-1, Form B2 or per ASME B 16.5, RF 125 AA, 500AA, RFSF;
- EN 1092-1 groove and tongue; projection and recess; ASME B 16.5 snap ring groove
- Form RJF (limited for special materials, please inquired
- Flame arrester approved for Zone 0
Measuring instrument connection
- Capillary, when ordering please specify: length of capillary
- Cooling tower (for process temperature >140 °C)
Material of wetted parts
- Stainless steel 1.4435, 1.4541, 1.4571, 1.4462,
- Monel 400, Hastelloy C276, Inconel 600, Incoloy 825, tantalum, Hastelloy B2, C4, C22 and nickel
- PFA coating
- ECTFE (Halar®) coating
Capillary
- Custom lengths between 1 and 15 m
- Soft polyethylene or PTFE armour