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Standards Development is a service provided by BSI Group
Components used in hydrogen gas metering. Specification
Assessment criteria: Ancillary valves, devices and components used in hydrogen gas installations. Specification
Industrial-process control valves. Inspection and routine testing
Devices to prevent pollution by backflow of potable water. Mechanical disconnector, flow actuated. Family G, Type B
Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A
Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A
Industrial valves. Metallic check valves
Industrial valves. Check valves of thermoplastics materials
Standards Development