Power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems. Modular multilevel converters
Edition 2014-11-30

Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment (ISO 28781:2010)
Edition 2010-11

Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment (ISO 28781:2010)
Edition 2010-12-15

Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B
Edition 2006-10-31

Anti-pollution check valves - DN 6 to DN 250 inclusive Family E, type A, B, C, and D
Edition 2006-10-31

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, class-designated - Steel flanges, NPS 1/2 to 24
Edition 2004-11-30

Methods of testing plastics. Thermoplastics pipes, fittings and valves. Thermoplastics pipes for the transport of liquids under pressure. Calculation of head losses
Edition 1996-08-15

Methods of testing plastics. Thermoplastics pipes, fittings and valves. Resistance to environmental stress cracking of polyethylene pipes and fittings for non-pressure applications
Edition 1989-10-31

Circular flanges for pipes, valves and fittings (Class designated). Steel, cast iron and copper alloy flanges. Specification for cast iron flanges
Edition 1990-03-30

Plastics piping systems. Valves for polyethylene (PE) piping systems. Test method for leaktightness under and after bending applied to the operating mechanism
Edition 1997-07-15