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HQ11\45X micro-rseistance ball type check valves
 

 

Product introduction
 

Micro-resistance ball type check valves's disc is a ball coated with rubber and dependant on the line pressure the ball can roll in the chute in the body to open or close the valves without any noise and water-hammering and with good sealing capability.The flow rate is much with little resisting force and little pressure loss.It can be installed vertically or horizontally and widely used at the outlet of pump in cold water's,hot water's,industry's and sewage's pipeline system.


Main technical parameters
 

Nominal pressure: 1.0-1.6
Nominal diameter: 50-1000mm
Service:water and weak corrosive fluid
Working temperature:0-80
Flanged end: GB/T17241.6 GB9113
Inspection and test: GB/T 13927 API 598


Typical installation diagram
 



Material 
part body disc spring seat
Material Cast iron ductile cast iron,cast steel Cast copper,stainless steel Stainless steel Copper,steel

Main dimensions 
 

unit:mm

DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000
L 203 216 241 292 330 356 495 622 698 781 914 978 978 1295 1448 1600 1760 1900
H 180 210 225 245 280 320 380 450 470 500
H1 510 570 640 715 815 825 980 1155 1260 1350 1660 1700


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