Liquid Ring Vacuum Pump
Small Capacity, Marine Duty
NASH has been providing vacuum pumps and packages in shipboard priming applications for over 50 years and continues to offer a wide range of classic products for this service. These pumps are provided close coupled to a marine duty motor have capacities ranging from 10 to 75 ACFM (17 to 130 m3/h).
The single stage MD570, MD620, MHC, and MHF series are available in a variety of materials including bronze, copper nickel, and stainless steel.
If deeper vacuum is required, the two stage AT34 & AT64 pumps are available with capacities ranging from 40 to 75 ACFM (70 to 130 m3/h).
Proven to be dependable and durable for over 50 years, Nash’s priming valves are designed specifically to be used in vacuum pump priming systems. The priming valve is a float valve ideal for marine applications. It has an open passage from all inlet connections through to the vacuum outlet connection as long as no liquid is present. When liquid enters the priming valve body, the buoyant float rises and closes the valve.
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