111A
2/2 Way – Normally Closed – Internal Pilot Operated, Without Manual Override.
112A
Internal Pilot Operated, With Manual Override
113A
Internal Pilot Operated, Without Manual Override
150A-B
Internal Pilot Operated & Normally Closed External Pilot Operated Valves.
170D
Internal Pilot Operated Diaphragm Type, Without Manual Override
172D
Internal Pilot Operated Diaphragm Type, Without Manual Override
170E
Internal Pilot Operated Diaphragm Type, Without Manual Override
172E
Internal Pilot Operated Diaphragm Type, Without Manual Override
641E
Internal Pilot Operated, With Manual Override