Do Eldex pumps come standard with a pulse damper?
Some Eldex Optos Series pumps may be fitted with a pulse damper. The damper is a diaphragm-style damper, where a diaphragm made of an inert material flexes against a compressible…
Can I dry run Eldex pumps (run the pump without liquid)?
We don’t recommend doing a dry run unless it is for a very short time, as it may lead to piston seal wear. If you need to run the pump…
What is compressibility compensation factor?
The compressibility compensation factor depends on the fluid. As there are too many fluids, this can be looked up online (natural gas has a 0.5% correction in volume per 100psi…
Can the pump inlet and outlet be adapted to 1/4-inch NPT connections?
We do not offer fittings for ¼” NPT connection, but adapters, such as Swagelok Fittings, are available.
Are interchangeable liquid ends available for Eldex Pumps?
Eldex Optos Series pumps are designed for the interchangeability of liquid ends, with piston sizes 3/32”, 1/8”, and 1/4”. A liquid end and piston are needed. Customers must change the…
What are the check valve options for Eldex pumps?
Eldex ball and seat inlet and outlet check valves ensure precise metering. We now offer integrated one-piece check valves for stainless steel and ceramic options, with seals embedded into the…