It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect. The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise. It can be installed on horizontal and vertical pipelines. 

Design Features 

Design standard as per: API 6D,ASME B16.34, GB/T 12224. 

Compact and reasonable product structure, reliable tightness and good performance;

Small volume and light weight;

Streamlined channel. 

Rapid closing and flexible actions of the valve clack

Small closing impact, water hammer is not liable to be generated;  

Smooth fluid passageway and small fluid resistance; 

Product Range 

Body material: carbon steel, stainless steel, alloy steel

Nominal diameter:1/2"～24"（DN15~DN600） 

Pressure range: Class150～600（PN10~PN100） 

End connection: RF, RTJ 

Working temperature:-29℃～+425℃