IS 10611-1983

标准号：IS 10611-1983
发布日期：1984/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：Specifies the requirements for steel gate valves with flanged or butt-welded ends.1.1 The standard covers valves in nominal size of 25 mm to 600 mm corresponding to nominal sizes specified in IS : 9520-1980 ' Nominal sizes for valves '.1.2 The valve shall be outside screw and yoke type ( OS and Y ) with rising stem, non-rising hand-wheel, bolted bonnet and with various types of gates.1.3 The standard nomenclature for valve parts is shown in Fig. 1, which is also illustrative of some acceptable gate valve designs.