3/2 NO, Direct, Mechanical Return
3/2 NO, Pneumatic, Spring Return
3/2 NO, Pneumatic, Pneumatic Spring, Spring Return
3/2 NO, Direct, Spring Return, Manual Override
3/2 NO, Direct, Spring Return, Manual Override
3/2 NO, Pilot, Pneumatic Spring, Spring Return
2/2 NO, Pneumatic, Spring Return