With over 65 years and successful experience in the pump engineering & manufacturing industry, Stonebor Pumps continuous duty metering pump units are universally known for their durability and dependability. Our positive displacement reciprocating plunger pumps are reliably engineered to specifically function as metering pumps and their displacement can be easily varied while the pumps are running.

Model A Electric

Pressure: up to 5,000 PSI
Flow: up to 2313 Gal/Day

Model B Electric

Pressure: up to 4,000 PSI
Flow: up to 2,000 Gal/Day

Model C-8E Electric

Pressure: up to 3,000 PSI
Flow: up to 108 Gal/Day