E/One offers its Explosionproof pumps for duplex, wetwell/drywell grinder pump stations. Only the pumps are rated as explosionproof, not the entire station.
Model DX152 › 2 pumps | PE tank | 150 gal capacity | 3000 GPD
Model DX352 › 2 pumps | PE tank | 350 gal capacity | 5200 GPD
Explosionproof Pump for Open Wetwell Tanks
E/One's explosionproof grinder pump is available in a drop-in design for open wetwell tanks.