Applicable/product standards:
Steel gate valves design: api 600 / bs1414
Steel gate valves: iso 10434 / iso 14313
Steel gate valves: asme b16.34
Face to face according to: asme b16.10
Flanges ends according to: asme b16.5/asme b16.47
Butt welding ends according to: asme b16.25
Inspection and testing according to: api 598 / api 6d
