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Description of 19/30397442 DC 2019This document specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions would indicate a need for full port openings, heavy wall sections and large stem diameters. This document sets forth the requirements for the following gate valve features:
It covers valves of the nominal sizes DN:
corresponding to nominal pipe sizes NPS:
applies for pressure Class designations:
and applies for pressure PN designations:
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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