Structural Feature:
Short structural length, only 1/4~1/8 of that of traditional flanged check valve;
Applicable for and easily installed for vertical or horizontal pipelines;
Integrated structure, simple and compact, in beautiful shape;
Quick valve disc closedown,low water hammer pressure;
Narrow valve travel and small closedown impact;
Long service life and good reliability.
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.