Navy Vent Valves FIG 640 & 660

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Model: Figures 640 and 660

Features:

  • 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: 21/2″ to 30″; R 2.5 – R30
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