Two types of valves in the range of sizes DN 50 to DN 600 for nominal pressures PN 10, PN 16 and PN 25. Type A valves are for T-key operation only and type B valves, which are designed for heavier duty than type A valves, are usually for key/bar operation.
BS 5163:1986
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for predominantly key-operated cast iron gate valves for waterworks purposes
BSI Group , 10/31/1986
Pages: 22
