Model AR is an 8" round opening dead weight cast aluminum hatch.  The standard pressure gasket is sponge neoprene and the vacuum valve gasket is neoprene.  Viton, Urethane and other materials are available upon request.  It can be mounted on either a weld-on base or A.P.I. standard 16 hole or A.N.S.I. standard 8 hole (with thief hanger) aluminum base.

• .4 oz vacuum
• Approximately 2 oz pressure
• Customized nameplate/company logo available
  
• (No setup charge on orders of 50+)
  
• Nuts & bolts available
• EPDM, Neoprene, Viton or other specialty gaskets available

Flow chart available upon request.