Brass stop cock valve brass finished body brass T handle BSP thread connection 1/2 to 1 inch T Handled Brass Stop Cock Valves FxF1. ... ,00011,500General features and options for various stop valves: 1. Brass material: CuZn39Pb2, CW617n, CW614n, HPb59-1, HPb57-3, MS58 ... flow, reduced flow5. Stem/Spindle: stainless steel, brass6. Sealing: Brass spindle, EPDM, NBR washer7. Connections to pipe: BSP/ISO/NPT ...