Positive displacement pumps are the ones in which hydrostatically energy has been transferred to the fluid. The positive displacement pump’s operation is to force a fixed volume of liquid or fluid from the pressure section to the discharge zone of the pump. They provide infinite pressure to move liquids within mechanical limitations and also provide per revolution fixed displacement. There is a safety valve on the discharge side which can be internal or external.
Centrifugal pumps are important pumps too, which use velocity to convert water to pressure. The difference between centrifugal pump and positive displacement pumps is that in positive displacement pumps, liquid moves out at the same speed regardless of the pressure, which doesn’t happen in centrifugal pumps. Various advantages of positive displacement pumps are good suction capacity, good for high viscosity, very well suited for low drive speeds, best for dosing and injection pumps, suitable for high pressure. Recently, Flowtrend Inc has partnered with Wangen Pumpen for distribution in Canada and United States of twin screw pump. In sanitary industry, Twin screw technology is the future of positive displacement pumps. For improved market penetration and more international presence, Wangen Pumpen took this step. Netzsch Pumps and Systems has developed specialized cavity and rotary lobe pumps for heavy crude oil extraction, to meet the oil and gas fields demands.
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Positive Displacement Pumps Market: Drivers & Restraints
Important key drivers for positive displacement pump market are growing need for energy efficient pumps and increasing infrastructure development in emerging economies. The government of such economies would be taking the initiative to invest more in infrastructure sector, especially in segments like highways, railways, roads. Also strict environmental rules and regulations globally such as Authorization, Registration, and Evaluation have also increased the demand of positive displacement pumps.
Though positive displacement pumps are in demand, but it has a lot of constraints too, like high installation cost, saturation in traditional industrial applications, value added services provided by manufacturers due to extensive competition, replacement sale are very low due to the long operating life of the product. The major challenge for positive displacement pumps manufacturers are arising need to provide energy efficient positive displacement pumps, market maturity, product differentiation, which should be highly unique and quality efficient considering their niche applications and threat to medium manufactures since big manufacturers prefer to acquire small firms to expand in the market, medium manufactures find it hard to gain profit margin or to compete in the market. Threat from new developed Coriolis mass flow meter, which have gained popularity and are expected to replace positive displacement pumps because of the easy passing of particulates without any constraints, liquid flow not affected by pressure or temperature, more accuracy of the flow rate, which is between 0.1 percent to 0.2 percent, turn down ratio of atleast 100:1
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Positive Displacement Pumps Market: Segmentation
Positive displacement pumps are broadly classified on the basis of the following segments
By Product type:
By End-User Type:
Oil and gas
Water and wastewater
Pulp and Paper Industry
Food and beverage
Positive Displacement Pumps Market: Overview