Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Lug End Dual Plate Check Valve
Two arch disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines.
Product Range
Nominal diameter: 1.5" ~ 48" (DN40 ~ DN1200)
Pressure range: Class 150 ~ Class 2500(PN16 ~ PN420)
Working temperature: -196℃ ~ +560℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
Design Features
Applied widely;
Small volume and light weight;
Rapid closing and flexible actions of the valve clack;
Smooth fluid passageway and small fluid resistance;
Small closing impact, water hammer is not liable to be generated;
Compact and reasonable product structure, reliable tightness and good performance.
