This Malaysian Standard specifies requirements for the design, materials, dimensions and performance of piston type side entry float operated valves (copper alloy-body) (hereinafter ball float valve) of:
a) Type I - Ball float valve for light duty of nominal size DN 15 (½ inch), DN 20 (¾ inch) and DN 25 (1 inch) as illustrated in Figure 1; and
b) Type lI - Ball float valve for heavy duty of nominal size DN 15 (½ inch), DN 20 (¾ inch) and DN 25 (1 inch) as illustrated in Figure 2
intended for use with floats complying with BS 1968 and BS 2456.
This standard applies to all Type I and Type II piston type float operated valves suitable for operation at PN 10 and PN 16 respectively.
