at full rated operating pressure (200/300psi),bidirectional seal is available with the valve.
• with grooved mechanical design,the connection is easy,quick and reliable.
• can be used as isolating valve for any flow direction,so as to simplify installation,and when used as isolating valve in blind-end pipeline,no cover or flange is needed to be installed.
• the top flange of unique square neck type conforming to iso standard can be directly connected to the actuator in accorddance with iso standard.
• seal test pressure 200/300psi,shell test pressure 300/450psi.
• size: dn50— 300mm
• fire_fighting grooved-end butterfly valve is also available.