ISO 9952:1993被替代
Agricultural irrigation equipment- Check valves
出版：International Organization for Standardization
专家解读视频
Gives the construction and performance requirements (classification, mechanism, installation, marking, valve body length, connections), and test methods (resistance to internal hydrostatic pressure, tightness, valve opening after tightness test, pressure loss, endurance, tightness after mechanical endurance test) for check valves of nominal sizes 15 mm (0,5 in) up to and including 300 mm (12 in) intended for operation with water at temperatures not exceeding50 degrees C, which may contain fertilizers and chemicals oftypes and concentrations used in agriculture.
KS B 2818:2002 - Modified
KS B ISO 9952:2002 - Identical
GB/T 18691-2002 - Equivalent
KS B 2818:2013 - Modified
