Monoblock Water Ring Vacuum pump

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Monoblock Water ring Vacuum pump

A monoblock water ring vacuum pump is a type of pump that uses a water ring to create a vacuum. It is called “monoblock” because the pump and the motor are mounted on a single frame or block. The pump consists of an impeller with blades, which rotates inside a casing that is partially filled with water. The impeller creates a centrifugal force, which causes the water to form a ring around the impeller.

When the pump is started, the impeller rotates and the water is thrown outwards, forming a water ring. As the impeller rotates, it traps air between the blades and the water ring. The air is then carried to the outlet of the pump, where it is discharged.

The monoblock water ring vacuum pump is often used in industrial applications, such as in chemical processing, food processing, and pharmaceutical manufacturing, where it is necessary to create a vacuum in order to remove gases or vapors from a system. It is also commonly used in the paper and pulp industry to dewater the pulp and in the plastics industry to degas materials.

One advantage of the monoblock water ring vacuum pump is that it is relatively simple and easy to maintain, as it has no internal moving parts other than the impeller. It is also capable of handling a wide range of volumes and pressures and is relatively low in cost compared to other types of vacuum pumps. However, it does require a constant supply of water to function properly, which can be a disadvantage in some applications.

Monoblock Water Ring Vacuum pump Manufacturers In India


monoblock pump parts list

A monoblock pump is a type of pump where the motor and pump are combined into a single unit. The parts of a monoblock pump can vary depending on the manufacturer and model, but here are some common parts:

Motor: The motor is part of the monoblock pump that provides power to the pump.

Impeller: The impeller is a rotating component that moves the fluid in the pump by creating a low-pressure zone that draws the fluid in.

Pump Casing: The pump casing is the outer covering of the pump that holds the impeller and other internal parts.

Shaft: The shaft connects the motor to the impeller, transmitting power to the impeller to move fluid.

Mechanical Seal: The mechanical seal helps prevent the fluid being pumped from leaking out of the pump along the shaft.

Bearings: The bearings support the rotating components of the pump, such as the impeller and the motor shaft.

Suction and Discharge Ports: These are the openings in the pump where the fluid enters (suction port) and exits (discharge port) the pump.

Coupling: The coupling connects the motor and the pump, transmitting power from the motor to the impeller.

Gasket: The gasket is a seal that helps prevent leaks between the pump casing and other components.

Pressure Switch: The pressure switch is a device that turns the pump on and off based on the pressure in the system.

Note that this list is not exhaustive and the parts can vary from one manufacturer and model to another.

1 hp vacuum pump price Rs. 15000/- unit



  • Very Compact Design
  • Simple and Rugged Construction
  • Easy to Install
  • Trouble-Free Operation
  • Energy-efficient
  • Low installation costs
  • Easily Handle Dust Laded and Aggressive Gases
  • Standards-compliant mechanical seal


  • Dehydrates and filtration processes
  • Distillation, Evaporation, and Drying
  • Deodorization Evacuation
  • Sterilizing
  • Conveying, Venting, and Sucking

Monoblock Water Ring Vacuum pump specification

A Monoblock Water Ring Vacuum Pump is a type of vacuum pump that uses water as the working fluid to create a vacuum. It consists of a single unit, hence the name “monoblock”, which includes the pump, motor, and water reservoir.

Here are some common specifications for a Monoblock Water Ring Vacuum Pump:

Maximum Vacuum Level: Typically, the maximum vacuum level achieved by a Monoblock Water Ring Vacuum Pump is around 700 to 750 mm Hg (or around 29.5 inches Hg).

Capacity: The capacity of the pump is measured in terms of cubic meters per hour (m3/hr) or liters per minute (lpm). Depending on the size of the pump, the capacity can range from a few hundred lpm to several thousand lpm.

Power Consumption: The power consumption of a Monoblock Water Ring Vacuum Pump varies depending on the size and capacity of the pump. Smaller pumps typically require a few kilowatts of power, while larger pumps may require several hundred kilowatts.

Materials of Construction: The materials used to construct the pump and its components can vary depending on the application. Typically, the pump housing and impeller are made of cast iron, while the water tank and other components may be made of stainless steel or other corrosion-resistant materials.

Seal Type: The type of seal used in a Monoblock Water Ring Vacuum Pump can affect its performance and durability. Common types of seals include mechanical seals and gland-packing seals.

Operating Temperature: The operating temperature of a Monoblock Water Ring Vacuum Pump is typically limited to the temperature of the water used as the working fluid. Higher temperatures can cause the water to boil, which can damage the pump and reduce its performance.

Noise Level: The noise level of a Monoblock Water Ring Vacuum Pump can vary depending on the size and design of the pump. Smaller pumps may have a noise level of around 70 decibels, while larger pumps can be louder and may require additional sound insulation.

With mechanical seal as standard. The vacuum pump can also be supplied in SS 304 and SS 316 constructions when there is a corrosive environment.

Monoblock water ring vacuum pumps are designed the most reliable JD vacuum service. These rugged pumps are simple to smooth operations and easy maintenance work. JD VACUUM SERVICE Offers watering vacuum pump technology including Single-stage watering vacuum pumps also known as two-stage watering vacuum pumps, close couple watering vacuum pumps, and two-stage vacuum pumps.

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