Technical data
Owner and operator manual Section 1: Introduction
3-9008-001 Rev M January 2015
Description 3
Products bearing the “CE” mark are designed and manufactured in compliance with the
European Union Pressure Equipment Directive (PED) 97/23/EC. Refer to the “Daniel Orifice
Fittings Installation and Operating Instructions specific to the Pressure Equipment Directive”,
Part Number 3-9008-002. Technical References (available on the Daniel website):
• Upp, E.L. “Application of the Orifice Meter for Accurate Gas Flow Measurement”: Daniel
Measurement and Control Inc., Houston, Texas USA (1995)
• Upp, E.L. “Development of Orifice Meter Standards”: Daniel Measurement and Control
Inc., Houston, Texas USA (1995)
• Daniel Measurement and Control Inc. “Fundamentals of Orifice Meter Measurement”:
Daniel Measurement and Control Inc., Houston, Texas USA (1997)
• Kendrick, Ray. Effects of the Latest Revision of ANSI/API 2530/AGA 3 On Orifice Meter
Primary Elements” Daniel Measurement and Control Inc., Houston, Texas USA (1997)
• Daniel Measurement and Control Inc. “Getting the Best Value From Daniel Senior
Orifice Fittings”: Daniel Measurement and Control Inc., Houston, Texas USA (1997)
• Cotton, Galen M. “Pulsation Effects on Gas Measurement”: Daniel Measurement and
Control Inc., Houston, Texas USA (1980)
• Husain, Zaki D. “Theoretical Uncertainty of Orifice Flow Measurement”: Daniel
Measurement and Control Inc., Houston, Texas USA (1990)
• Daniel Measurement and Control Inc.“Senior Orifice Fitting Technical Guide: DAN-DIF-
TG11-1003 “Daniel Measurement and Control Inc., Houston, Texas USA (2003).