Stroke
							
								To DN80: 20 mm;From DN100: 40 mm
						 
						
							
								Leakage rate
							
								0…0.02 % of kvs
						 
						
						
						
							
								Medium temperature
							
								-10…150 °C
						 
						
							
								Valve characteristic
							
								Equal percentage , kvs 250/400 linear
						 
						
							
								Rangeability
							
								DN 15...25: >50;DN 32...150: >100
						 
						
							
								Permissible operating pressure
							
								1600 kPa
						 
						
							
								Material, valve body
							
								Cast iron EN-GJL-250
						 
						
							
								Material, inside set
							
								≤ DN40: CrNi steel / brass , ≥ DN50: CrNi steel / bronze