Registration number (WIID)Project No.TitleStatus
1693EN 27841:1991Automatic steam traps - Determination of steam loss - Test methods (ISO 7841:1988)Atcelts
1694EN 27842:1991Automatic steam traps - Determination of discharge capacity - Test methods (ISO 7842:1988)Atcelts
6098EN 28233:1990Thermoplastics valves - Torque - Test method (ISO 8233:1988)Atcelts
6100EN 28659:1990Thermoplastics valves - Fatigue strength - Test method (ISO 8659:1989)Atcelts
1695EN 558-1:1995Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanges pipe systems - Part 1:PN-designated valvesAtcelts
24585EN 558:2008Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valvesAtcelts
37682EN 558:2008+A1:2011Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valvesAtcelts
35677EN 558:2008/AC:2010Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valvesAtcelts
36734EN 558:2008/FprA1Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valvesIzstrādē
40521EN 558:2017Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valvesAtcelts
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