Navy Vent Valves FIG 640 & 660

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Valves designed for use as airtight and watertight closures. The 640/660 valves are built to BUSHIP Drawing #805-1749102/1749103 Rev B. Aluminum body and disc, 18-8 stainless steel stem, neoprene seat. Size range 640 2-1/2” to 30”; R2.5 -R30. Size Range 660 7” x 3” to 30” x 20”; K31 – K41. Pressure Rating 15 PSI working, 30 PSI test.

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610.647.3810