Technical Specifications

39003 Series High Performance Butterfly Valves (HPBV) | 13
Standard Valve Components
End Seal Variation
The ANSI 150 14” through 24” sizes feature a two-piece shaft
design. The lower shaft utilizes an end seal in the body to prevent
external leakage. The component parts include an end seal, an
end cap and end cap bolts.
Lower Packing Variation
The ANSI 150 30” through 48”; ANSI 300 14” through 30”; ANSI
600 10” through 16” sizes feature a two-piece shaft design which
utilizes a lower packing seal in the valve body to prevent external
leakage. The component parts are of the same design used in the
packing assembly in the top of the valve body neck.