The Rosemount® 9901 is a range of high quality chambers which allow external mounting of level measurement and control instrumentation on process vessels.
The range offers a PED compliant design in accordance with ASME B31.3, allowing users to buy an integrated bolt-on instrument solution, or simply a chamber for use with existing instrumentation.
The 9901 series uses only certified and traceable materials and is manufactured using full penetration welds, with welders and welding procedures qualified to both ASME and European standards. All chambers are hydro tested on completion, with a full range of NDT or customer inspection options available to order.
- Standardised or custom design to fit existing vessels
- Allows external mounting of process level instrumentation
- Enables live maintenance
- Designed to ASME B31.3
- Pressure Equipment Directive (PED) compliant
- Used worldwide by major industries
- Ideal for critical area and general purpose applications
- Variety of process connections and optional drain and vent connections
- More than 50 years of experience in designing and manufacturing chambers in accordance with international codes