Oscillating Piston

  • Neptune Type 4D Flowmeters Neptune Type 4D Flowmeters1-1/2″ and 1-1/4″ Type 4D meters, with double case design, have been specifically designed for the custody transfer of Liquefied Propane & Butane Gas (LPG).
  • Neptune Type MP Oscillating Piston Flowmeter Neptune Type MP Oscillating Piston FlowmeterThe Type MP Oscillating Piston Flowmeter provides high accuracy industrial liquids flow measurement.
  • Neptune 4-MT Petroleum Tank Truck Meter Neptune 4-MT Petroleum Tank Truck MeterThe Neptune 2″ Type 4-MT is an excellent choice for truck mounted metering of liquid petroleum products. The 2″ aluminum body flowmeter comes complete and ready for installation and is ideal for both single and multi-meter applications.
  • Neptune 4D-MT LPG Tank Truck Meter Neptune 4D-MT LPG Tank Truck MeterThe Neptune 2″ LPG meter is the worldwide standard for truck mounted metering. The aluminum body flowmeter comes complete and ready for installation…
  • Neptune 4D-MD Meter for LPG Dispensers Neptune 4D-MD Meter for LPG DispensersThe Neptune 1″ Type 4D-MD meter has been specifically designed for the custody transfer of Liquefied Propane and Butane gas (LPG). This meter utilizes the oscillating piston positive displacement principle.
  • Neptune Type 4 Flowmeters Neptune Type 4 FlowmetersNeptune 1-1/4″ and 1-1/2″ Type 4 compact flowmeters are superb instruments for small and medium capacity tank truck metering.
  • Neptune Type 40 Flowmeters Neptune Type 40 FlowmetersNeptune 1-1/4″ and 1-1/2″ Type 40 flowmeters provide the accuracy and convenience you need in measuring refined petroleum products and allow you to control cost, loss prevention and invoicing.
  • Very Low Flow Flowmeters Very Low Flow FlowmetersVLF (very low flow) flowmeters have been designed to measure the flow of light fuel or diesel oil, for example, in applications such as measuring fuel oil consumption at large boiler plants, in a diesel engine generator and on engine test rigs.
  • Neptune Type 4 Size 3″ Flowmeters Neptune Type 4 Size 3″ FlowmetersNeptune 3″ compact flowmeters are superb instruments for metering large volumes of petroleum products when head loss must be kept to a minimum.