80 l (20 gal) Captive air pressure tank

80 l (20 gal) Captive air pressure tank. • Designed for water systems assembled with a jet pump or a deep well submersible pump • Replaceable bladder made of synthetic butyl rubber to increase reliability and life span • No water to metal contact for rust-free operation • Stainless steel flange with 1 in NPT connection • 100 psi maximum working pressure • For use a 20/40 psi pressure switch, the air pressure must be adjusted to 18 psi; for a 30/50 psi switch, the pressure must be adjusted to 28 psi • Drawdown 7.5 US gal (20/40 psi); 6.0 US gal (30/50 psi).