Sentinel Model S-8A

Sentinel Model S-8A is an extremely economical, but hand cast aluminum spring type thief hatch with an 8" round opening and standard A.P.I. 16 hole bolt circle with a lock type latch.  Vacuum is .4 Oz. and the standard pressure configuration includes a 4 Oz. pressure spring and sponge EPDM or neoprene base gasket.

• Optional 2,6,8,10, 12 or 16 Oz. pressure spring
• Customized nameplate/company logo available (No setup charge on orders of 50+)
  
• Specialty gaskets and coatings for sour service
• Optional ANSI 8 hole bolt circle base
  
• Nuts & bolts available
• Neoprene, Viton or specialty gaskets available