NF E49-330-3*NF ISO 6953-3:2012 Pneumatic fluid power - Compressed air pressure regulators and filter-regulators -Part 3 : alternative test methods for measuring the flow-rate characteristics of pressure regulators.
2012NF E49-330-3*NF ISO 6953-3:2012 Pneumatic fluid power - Compressed air pressure regulators and filter-regulators -Part 3 : alternative test methods for measuring the flow-rate characteristics of pressure regulators.