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Plunger Pump

Specializing in High-Pressure Conveying.

YOUNAI Plunger Pumps Meet Demanding Requirements

  • High to ultra-high pressure, from 16Mpa to 200Mpa;
  • Small, constant, precisely metered, or proportional flow rates;
  • Capability to convey various fluid media;
  • Excellent suction performance and high efficiency.
YOUNAI plunger pumps meet demanding requirements

What is a plunger pump?

A plunger pump is a type of positive displacement pump. Its most core component is the smooth cylindrical plunger that slides back and forth in a precision-sealed chamber. On its retraction stroke, fluid is drawn in through the inlet valve and discharged through the outlet valve. It is this direct, forceful action that allows plunger pumps to excel in high-pressure applications.

YOUNAI Plunger Pumps

YOUNAI plunger pumps are engineered for durable and reliable performance in continuous high-pressure operation, delivering a superior solution for high-pressure applications.

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Quintuplex Plunger Pump

Max flow: 3429 L/min

Max pressure: 80 Mpa

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Pressure Plunger Pump

Max flow: 3277 L/min

Max pressure: 80 Mpa

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Positive Displacement Plunger Pump

Max flow: 3412 L/min

Max pressure: 80 Mpa

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High Pressure Reciprocating Pump

Max flow: 3429 L/min

Max pressure: 80 Mpa

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Reciprocating Triplex Plunger Pump

Max flow: 2066 L/min

Max pressure: 80 Mpa

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Triplex Positive Displacement Pump

Max flow: 2021 L/min

Max pressure: 80 Mpa

industrial-triplex-pump
Industrial Triplex Pump

Max flow: 1687 L/min

Max pressure: 63 Mpa

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Titanium Plunger Pump

Max flow: 3277 L/min

Max pressure: 80 Mpa

Spare Parts

Plunger Pumps Main Benefits

space-saving-design
Compact Structure Design

Delivers high volumetric efficiency with minimal outlet pulsation.

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Reliable Performance

Maximizing service life with advanced manufacturing techniques.

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High-Pressure Capability

Ideally suitable for continuous use under high pressure.

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Compliance with Requirements

Ensures smooth, stable and quiet operation with very low vibration.

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Wide Application Range

Versatile for multiple industries and a wide range of fluids.

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Continuous Duty Operation

The robust plunger pump built for 24/7 performance.

YOUNAI Plunger Pumps: Industry-Leading

our plunger pumps deliver exceptional power and a high pressure rating, offering a maximum pressure of 200 MPa, a maximum flow rate of up to 3500 L/min. Whether using triplex or quintuplex plunger pumps, both provide efficient reciprocating positive displacement for high-pressure industrial fluid handling, delivering the robust efficiency, reliability, and durability required for continuous operation. Through advanced manufacturing techniques, YOUNAI plunger pumps deliver this performance, ensuring significant energy savings and reduced operating costs over a maximized service life.

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younai-plunger-pumps-superior-corrosion-resistance

YOUNAI Plunger Pumps: Superior Corrosion Resistance

Crafted with world-class manufacturing, YOUNAI’s plunger pump fluid ends are available in a range of materials including duplex stainless steel, super duplex stainless steel, titanium, titanium alloy, and Hastelloy, offering excellent resistance to both acid and alkali corrosion.

Notably, YOUNAI’s titanium/titanium alloy plunger pumps are built with world-class manufacturing techniques, making them suitable for use in corrosive environments, even in high-salinity conditions.

Applications of YOUNAI Plunger Pumps

General Industry
General Industry
  • High pressure cleaning
  • High pressure descaling
  • Reverse osmosis
  • Cooling and fogging
  • Metalworking and manufacturing
  • Blow out preventer (BOPV) actuation
Petroleum Industry
Petroleum Industry
  • Oil and gas
  • Flowline circulation
  • Pipeline pigging
  • High pressure water injection
  • High pressure sewage injection
  • High pressure polymer injection
Chemical Industry
Chemical Industry
  • Methanol injection
  • Glycol circulation
  • Hydrocarbon – Condensate
  • Carbamate and ammonia

YOUNAI Plunger Pumps for Polymer Injection

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In the oil industry, YOUNAI’s Polymer Injection Pumps are specialized for EOR, engineered to inject HPAM at high pressure while preserving viscosity.

Key design features of this plunger pumps including: long stroke and low pumping speed , the frequency is low; valve structure with slow seating speed; fluid end materials absent of at Ca2+, Mg2+, Fe2+ ions to avoid chemical degradation of the medium. Customer feedback confirms that our polymer injection pumps achieve the lowest mechanical shear, with polymer viscosity degradation consistently limited to ≤ 3%.

YOUNAI Delivers

YOUNAI Delivers

  • The most reliable plunger pump products.
  • Achieving the highest standards in design, manufacturing, and service.
  • Multiple configurations are available, including valves, inflation containers, pressure gauges, etc.
What is the working principle of a plunger pump?

A plunger pump is a type of positive displacement pump that works by relying on the reciprocating motion of a plunger in a sealed cylinder. Its core component is a smooth, cylindrical plunger. As the plunger pulls back, it creates a suction that draws fluids in through the inlet valve. When it pushes forward, it builds up pressure and forces the fluids out through the outlet valve. This powerful and direct action makes plunger pumps particularly suitable for high-pressure duties.

What is the difference between a triplex plunger pump and a piston pump?

Different from piston designs, a triplex plunger pump employs a plunger that reciprocates within a stationary stuffing box to control the working volume, while a piston operates by sliding back and forth within a hollow cylinder. This robust design allows triplex plunger pumps to handle significantly higher pressures than piston models.

What is the role of plunger pumps in onshore oil production?

Plunger pumps are widely used in the petroleum industry. The industry gives them specific names based on their intended function. A plunger pump used to deliver and circulate drilling fluid to the bottom of a well during drilling is called a Mud Pump; A plunger pump used to inject high-pressure cement slurry into the wellbore for well wall consolidation is termed a Cementing Pump; To create artificial fractures, a plunger pump that injects fluids containing large solid particles or acid/alkaline solutions into the well is referred to as a Fracturing Pump; In water injection wells, a plunger pump used to inject high-pressure water into the reservoir is known as a Water Injection Pump; For extracting crude oil from production wells, the plunger pump employed is called a Rod Pump (or Sucker Rod Pump). The plunger pump used to inject polymer and displace oil is called a polymer injection pump.

How to choose the right plunger pump for your needs?

Ready to find your ideal plunger pump? Our experienced sales team can help.The basic parameters of a plunger pump are flow rate, pressure and input power. Simply provide the medium properties, viscosity, temperature, and your required flow and pressure. We can quickly provide initial recommendations and a quotation. YOUNAI is committed to a timely response, ensuring your inquiry is handled quickly and efficiently.

How to choose a plunger pump transmission method?

Plunger pumps typically use either a gear reducer or a V-belt drive. A gear reducer delivers a fixed transmission ratio, a wide power range, and high efficiency. However, it is expensive and has relatively increased noise levels. In comparison, a V-belt drive sacrifices a fixed ratio and offers a narrower power range, but it provides smoother operation, significantly lower noise, a simpler structure, easier maintenance, and a lower initial cost.

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