The FPD201 is a single-chamber orifice fitting allowing orifice plate replacement without pipeline removal, requiring shutdown and venting. Available in flange-to-flange, flange-to-weld, and weld-to-weld configurations for pipe sizes 2 to 24 inches and ANSI pressure classes 150 to 2500. Body materials include ASTM A216 WCB, A352 LCC, and A351 CF8M. Seals use HNBR O-rings or PTFE packing; orifice plates comply with ISO 5167. Temperature rating: -29 to 38 °C standard, -40 to 649 °C optional. Pressure tappings are 1/2 in. NPT female, one or two sets per side. Complies with ASME 16.34, ASME 16.5, ISO-5167, NACE MR-01-75, ASME B31.1, ASME B31.3, and PED 97/23/EC.
The FPD201 is a single chamber orifice fitting. It enables the orifice plate to be inspected and / or replaced without removing the fitting itself from the pipeline. However, the process must be shut down and depressurized before the plate can be removed.
Dual chamber fittings are available that allow “live” orifice plate changes or routine inspection – these are the FPD212 and FPD220.
| ABB Measurement & Analytics | |
|---|---|
| Product Category | Flow Orifices and Flow Restrictors |
| Product Number | FPD201 |
| Product Name | Single chamber orifice fitting |
| Connection | Female NPT |
