SGZ-D11042N-GF is a series SGZ 2" industrial pressure gauge. This gauge covers a wide variety of ranges in either bottom or back connection configurations. Series SGZ gauge, employs an easy-open breather plug on top, which allows liquid-filled units to breathe, relieving any built-up internal pressures. Plug easily pops open and does not need to be entirely removed or cut like a typical gauge's rubber plug grommet. Typical applications include vacuums in pneumatic conveying lines, positive pressure in compressed air headers and corrosive ambient environments.