SPECIFICATION FOR FIRE HYDRANT SYSTEMS EQUIPMENT PART 2: LANDING VALVES FOR DRY RISERS
This Malaysian Standard specifies requirements for copper alloy gate valves generally complying with BS 5154, suitable for installation as landing valves on dry risers. The valves have screwed or flanged inlets and also delivery hose connections complying with *BS 336. The standard covers valves of nominal pressure (PN) designation 1 500 kPa and nominal inlet size DN 65 for flanged ends and 2 1/2 for screwed ends.
