Product Range End Connection: RF, RTJ, BW Working temperature: -196℃ - 560℃ Nominal diameter: 1.5" - 60" (DN40 - DN1500) Pressure range: Class 150 - 2500 (PN16 - PN420) Body material: Carbon steel, Stainless steel, Alloy steel, Bronze Main Parameter Specification Inspection and test: API598, JB/T9092; Design and manufacture: API594, API 6D, JB/TB8937; Face to face and end to end: API594, API6D, DIN3202, JB/T8937; Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74; Pipe flange: JB/T74-90, JB/T9112-9124, HG20592-20635, SH3406, ASME B16.5, GB/T13402, API605, ASME B16.47. Main features The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.
