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Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries.

Tea — Determination of water-soluble ash and water-insoluble ash

Overview ISO 1576:1988 is an international standard that specifies a standardized method for determining the water-soluble and water-insoluble ash content in tea. Developed by ISO/TC 34 (Agricultural…

Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries

Overview ISO 15761:2020 defines requirements for compact steel gate, globe and check valves for the petroleum and natural gas industries in sizes up to DN 100 (NPS ¼ to 4). The standard covers dimens…

Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries

Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries