GB/T 11698-2008 (English Version) PDF

Standard No.: GB/T 11698-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 11698-2008
Replace: GB/T 11698-1989

Scope: This standard specifies the structural length and limit deviation of marine flanged metal valves. This standard applies to the nominal pressure range of 0.25MPa~4.0MPa in PN series and 125lb~300lb in CLASS series in the ship piping system; the flange connection size and sealing surface are in accordance with GB/T 2501, ASME B16 .5. ASME B16.47 metal valve design and specification. The structural length of metal valves with other nominal pressures or flange connection sizes not included in this standard can be implemented with reference to similar pressure levels.

GB/T 11698-2008 Referenced Document

API 609
ASME B16.47 Large diameter steels flanges - NPS 26 through NPS 60; Addenda
ASME B16.5 Forged Nonferrous Fittings, SocketWelding and Threaded (Titanium, Titanium Alloys, Aluminum, and Aluminum Alloys)
GB/T 2501 Connection dimensions and mating face of marine flanges*， 2011-01-10 Update

2008 GB/T 11698-2008 Metal valves for use in marine flanged pipe systems.Face-to-face and center-to-face dimensions
1989 GB/T 11698-1989 Metal valves for use in marine flanged pipe systems--Face-to-face and centre-to-face dimensions