PD/Oscillating Piston

Red Seal Measurement systems are specially designed to provide unsurpassed service in the most demanding measurement applications, from refined fuel custody transfer to exacting batching operations in the food and chemical industries. Whether the job calls for a positive displacement meter with a legacy of proven performance, or a state-of-the-art Coriolis mass flow meter with enhanced accuracy and sensitivity, Red Seal Measurement metering systems will protect your trust… and your profits.

Red Seal Measurement is proud to offer the Neptune product line. Because we’re confident that our meters are the best in the business, we’re extending the warranty on all of our positive displacement meters to three years from the date of installation (or 42 months from date of shipment).


Neptune Type 4D Flowmeters
1-1/2″ 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). These meters utilize the oscillating piston principle positive displacement measuring chamber technology.

Standard Type 4D Flowmeters come with:

  • register
  • differential control valve
  • inlet check valve
  • pressure relief valve
  • vapor check valve
  • combination vapor eliminator/strainer
  • tubing kit
  • Options include an automatic temperature compensator (ATC) and ticket printing register.

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Neptune Type MP Oscillating Piston Flowmeter

The Type MP Oscillating Piston Flowmeter provides high accuracy industrial liquids flow measurement. Neptune’s MP Series of Flowmeters has proven reliable through years of measuring over 400 common industrial liquids.

Applications
Liquids: Solvents, Acids, Glycols, Vegetable Oils, Liquid Sugar, Water, Corn Syrup, Sucrose, Mineral Spirits, Latex, Inks, Mineral Oils, Fertilizers, Toulene, Acetone, Sulfuric acid, Water, Milk, Juice, Resins, Phenolics, Perchlorethylene Solvents

Industry: Chemical, Food, Beverage/Bottling, Paint and Coatings, Printing, Lawn Care, Adhesives, Dairy, Plastics, Dry Cleaning, Cosmetics, Textiles, Distillery, Canning, Animal Feed, Paper Mill

A Chicago based food manufacturer has found success using the Neptune Type MP Flowmeter in its process. The MP meters are used to batch soybean oil, water, corn syrup, vinegar and starch mixtures into products such as salad dressing, ketchup, and barbeque sauce. The MP is stainless steel and equipped with a 43 pulse output that sends pulses to the Batchmate, which automatically controls the batching process.

Type MP Meter Features;

  • Magnetic Drive eliminates stuffing box leaks
  • Insensitive to moderate changes in viscosity
  • 100% mechanical batching capability… no external power source required
  • Variety of piston materials available to suit fluid and temperature conditions
  • Minimal Maintenance – one moving part in flow stream
  • Broad range of available accessories… pulsers, registers, valves
  • Maincase easily opened for cleaning
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Neptune 4-MT Petroleum Tank Truck Meter

The 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.

  • Strainer
  • Air release valve with adjustable float linkage for fine tuning when split compartment testing.
  • Back pressure valve
  • Auto stop valve for preset delivery
  • Preset and print register
  • Type 4-MT Petroleum Tank Truck Meter Features

  • Compact and weight efficient
  • Removable measuring chamber for ease of maintenance
  • Time proven auto-stop valve…the industry standard
  • Oscillating piston with hard, low-friction Nituff Teflon – impregnated coating for long life
  • Greatly enlarged air release improves performance
  • Weights and Measures approved worldwide
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Neptune 4D-MD Meter for LPG Dispensers

The 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.

The standard 4D-MD meter comes with:

  • Base meter choice of 600 series mechanical totalizing register with resettable counter, 800 series mechanical printer register, Veeder Root mechanical register, E1000 electronic register or MidCom MCR09 electronic register
  • Differential control valve combination vapor eliminator/strainer
  • Continuous bleed pressure relief valve
  • Choice of pulse output for remote totalizing
  • Available with Automatic Temperature Compensator (ATC)

    Type 4D-MD Features;

  • Accuracy and reliability in compact package
  • Oscillating piston with hard, low friction Nituff Teflon impregnated coating for long life

  • Smooth performance at low flow and high operating pressures
  • Rugged outer body components
  • Compact design
  • Suitable for a wide variety of installation configurations.
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Neptune Type 4 Flowmeters

Neptune 1-1/4″ and 1-1/2″ Type 4 compact flowmeters are superb instruments for small and medium capacity tank truck metering. These flowmeters are completely self contained for ease of installation. Manufactured from aluminum, these compact meters comprise a complete stand-alone petroleum batching system, saving space and weight.

Standard Type 4 Flowmeters come with:

  • Strainer
  • Air Release valve
  • Back pressure valve
  • Auto stop valve for preset delivery
  • Preset and print register
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Neptune Type 40 Flowmeters

Because of the value and volume of product metered in any bulk plant or truck operation, errors are costly. For this reason, accuracy is the most important criteria in flowmeter selection. Neptune 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.

These rugged positive displacement flowmeters incorporate the Neptune refined fuel measuring chamber, which has only one moving part…the oscillating piston.

The New York City Transit Authority employs 1-1/2″ Type 40 Petroleum meters on dispenser stations for bulk refueling of city buses.

Type 40 Features:

  • Outstanding long-term accuracy
  • Reliable – the oscillating piston is the only moving part in the meter
  • Easy Installation
  • Fast and easy calibration positive change gear selection
  • Low cost of maintenance and cleaning
  • Weights and Measures approved world wide
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Neptune Type 4 Size 3″ Flowmeters

Neptune 3″ compact flowmeters are superb instruments for metering large volumes of petroleum products when head loss must be kept to a minimum. The Type 4 meter with a strainer is excellent for metering products from large tank trucks. The 350 GPM Type 40 is ideal for bulk metering in storage facilities. Applications for the 3″ Type 4 Petroleum meter include: rapid unloading from large bulk tankers, tank truck filling at bulk tanker loading terminals, and product movements between storage tanks where custody transfer measurements are required.



Standard meter comes with:

  • Air release valve
  • Strainer
  • 2″ Type 1 Auto Stop Valve (Type 4 Meter)
  • 3″ Auto Stop Valve (Type 40 Meter)

  • Type 4 Size 3″ Features

  • Compact design
  • Basket type strainer can be removed from the top and cleaned quickly and easily without spilling product.
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