Neptune Model 481-S and 501-S hydraulic diaphragm metering pumps are built to de
A process signal (variable speed drives may not be used with Models 481 or 501 due to low stroking speed). Explosion-proof motors available — suitable for use in hazardous atmospheres .
Neptune Model 481-S and 501-S Hydraulic Diaphragm Metering Pumps
Neptune Model 481-S and 501-S hydraulic diaphragm metering pumps are built to deliver very low flows, repeatable and accurate, ranging down to quarts per day. Discharge pressures are higher than are possible with mechanical diaphragm pumps. Explosion-proof models are available for use in hazardous atmospheres.
Features
- High discharge pressures, to 3,000 psi (210 kg/cm²) — exceeds limits of most small pumps, ideal for high pressure systems
- EZE-CLEAN™ valves — cartridges can be removed for cleaning without disturbing piping
- Pneumatic and electric stroke-length control available — automatic capacity control in response to standard 4-20 mA process signal
- Explosion-proof motors available — suitable for use in hazardous atmospheres
- Low flow-rates (quarts/day) — accurate, reliable chemical feed
| Brand | Biggy Piggy |
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