This article is about Integral Orifice Material Selection Criteria Design – Flow Measurement of Instrumentation and Control Systems as per International Codes and standards for Commercial Buildings, Plants and Refinery Projects.
Integral Orifice Material Selection Criteria Design – Flow Measurement
Material Receiving General Checklist for Instrumentation & Control
General Requirements
- Purchase Order and Instrument specification sheet criteria shall be confirmed and compared with instrument stainless steel tags / labels and nameplates, and shipment checked for damage, prior to acceptance of the shipment
- Verify that all the instruments are from technically acceptable vendors
- Integral orifices shall be sized and installed in accordance with manufacturer’s recommendations. Manufacturer shall provide meter sizing and flow calculations. (PIP PCCFL001 Sec. 3.6.2).
- Minimum straight run pipe length requirements shall be in accordance with manufacturer’s recommended lengths. (PIP PCCFL001 Sec. 3.6.3)
- Unless otherwise required by process services, wetted metal parts shall be type 316 SS. Other wetted components shall be compatible with the process. (PIP PCCFL001 Sec. 3.6.4)
- A strainer shall be specified if needed to avoid plugging of the orifice. (PIP PCCFL001 Sec. 3.6.5)
International Standard and Codes for Instrumentation Accessories
- Turbine Meter Material Selection Criteria Design & Flow Measurement
- Pitot Tube Design Requirement in Process Industry
3. SAES-J-002 -Technically acceptable instruments, 23 June 2008
4. SAES-J-003 – Instrumentation Basic Design, 16 January 2008
5. SAES-J-100 – Process Flow Metering, 05 April 2008
6. PIP PCCFL 001 – Flow Measurement Criteria , August 2006, Process Industry Practices Process Control
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