Stainless Steel Injection Pumps

Last Updated: April 1, 2025

Description

Stainless steel injection pumps are designed to deliver precise volumes of fluid into a system. They are constructed entirely from stainless steel, which provides exceptional strength and resistance to harsh chemicals. These pumps are engineered to maintain the integrity and purity of the fluid media, ensuring that the desired volume is delivered accurately and consistently.

Working Principle

Stainless steel injection pumps operate on the principle of positive displacement, where a specific volume of fluid is captured and then forced into the discharge pipe. This mechanism ensures that the pump delivers a consistent and precise amount of fluid, making them highly useful in applications requiring exact dosing. The stainless steel construction provides protection against chemical and rust corrosion, allowing the pumps to handle a wide range of fluids, including those that are abrasive, acidic, or caustic.

Applications

Stainless steel injection pumps are used in various industries where precise fluid delivery is critical. Specific examples include:

  • Chemical Processing: For injecting precise amounts of chemicals into reactors or pipelines.
  • Pharmaceutical Manufacturing: Used for dosing active ingredients in drug production.
  • Food and Beverage Industry: For adding flavorings or preservatives in controlled amounts.
  • Water Treatment: Used in the injection of disinfectants or pH adjusters.

Advantages over other Injection Pumps

Stainless steel injection pumps offer several advantages over pumps made from other materials:

  • Corrosion Resistance: Stainless steel provides excellent protection against chemical and rust corrosion, making these pumps suitable for handling aggressive fluids.
  • High Pressure Ratings: They have higher pressure ratings compared to pumps made from plastics, allowing them to operate effectively in high-pressure environments.
  • Durability: The robust construction of stainless steel ensures long-lasting performance even in harsh conditions.

Limitations

Despite their advantages, stainless steel injection pumps have some limitations:

  • Cost: Stainless steel pumps are generally more expensive than those made from materials like plastic or cast iron.
  • Weight: The robust construction can make these pumps heavier, which might be a consideration in applications where weight is a critical factor.

Considerations

When selecting stainless steel injection pumps, several factors should be considered:

  • Initial Costs: The upfront cost of stainless steel pumps is higher due to the material and construction quality.
  • Operating Expense: While durable, the cost of operation can be influenced by the need for regular maintenance to ensure precision and performance.
  • Durability: Stainless steel offers excellent durability, reducing the frequency of replacements.
  • Accuracy: These pumps are designed for high accuracy, which is crucial in applications requiring precise dosing.
  • Replacement and Maintenance Costs: Although durable, the maintenance and replacement parts for stainless steel pumps can be more expensive than those for pumps made from other materials. Regular maintenance is essential to maintain accuracy and performance.
11 Results
Gear Pump for the Food Industry -- PURO
from Witte Pumps & Technology GmbH

PURO – Precision gear pump for the food Industries. Easy to clean and individually tunable. Stainless steel precision gear pump for conveying and metering of fluids with medium to low viscosity. Through decades of experience in design and selection of optimal materials, this type of pump... [See More]

  • Pump Housing Material: Stainless Steel; Tantalum, Titanium, Hastelloy®
  • Discharge Pressure: 1958.0
  • Liquid Flow: 2.0 to 20.0
  • Media Temperature: 392
Pulse Actuated Chemical Pump -- 100152
from General Pump

Pulse-actuated chemical pump with ball valve. • 303 Stainless Steel body. • EPDM diaphragm offers resilience and chemical compatibility. • Mounts to one of the drive pump inlet valve ports by using a special valve adapter. • Draws cleaning solution with each stroke of the drive... [See More]

  • Pump Housing Material: Stainless Steel
  • Discharge Pressure: 1500.0 to 3000.0
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Magnetic Drive Centrifugal Pumps -- MMP Series
from Magnatex Pumps, Inc.

The MMP Series magnetically driven, sealless, centrifugal pumps are heavy-duty mag-drive pumps with superior SiC-X bearing materials for low flow applications. These close coupled pumps are similar in construction to the MPL/MP Series, except the shaft is stationary and the suction/discharge ports... [See More]

  • Pump Housing Material: Stainless Steel; Hastelloy® Alloy, 316SS
  • Discharge Pressure: ? to 85.0
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FSH-CM Series of slit coating pump system -- FSH-CM
from Guangzhou Ascend Precision Machinery Co., Ltd.

FSH-CM series of micro fluid_metering pump systemis a new microfluid metering pump system with high efficiency, high precision,high stability and digital-control. It is suitable for all kinds of automatic dispensing,lineation and continuous filling. Typical Application: PhotoResist coating. Slot die... [See More]

  • Pump Housing Material: Stainless Steel; Teflon, Ceramic
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Hydra-Cell® Low Pressure Diaphragm Pump -- T100K
from Wanner Engineering, Inc.

Versatile, Reliable Pumps for a Wide Range of Applications. Hydra-Cell positive displacement diaphragm pumps feature a seal-less pumping chamber so there are no seals, packing or cups to leak or replace. The seal-less design and check valves enable Hydra-Cell to handle abrasives and particulates... [See More]

  • Pump Housing Material: Stainless Steel
  • Discharge Pressure: 500.0 to 3000.0
  • Liquid Flow: 45.0
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Mini Chemical Gear Pump -- CHEM MINI
from Witte Pumps & Technology GmbH

CHEM MINI - Gear pump for conveying and metering of fluids with low to medium viscosity. The CHEM MINI gear pump is particularly suitable for precision metering tasks of low to medium viscosity media. The application range goes from classic transfer and metering tasks in the chemical and... [See More]

  • Pump Housing Material: Stainless Steel; Tantalum, Titanium, Hastelloy®
  • Discharge Pressure: 1740.0
  • Liquid Flow: 2.0 to ?
  • Media Temperature: 580
Pulse Actuated Chemical Pump -- 100906
from General Pump

Pulse Pump. 303 Stainless Steel body. EPDM diaphragm offers resilience and chemical compatibility. Mounts to one of the drive pump inlet valve ports by using a special valve adapter. Draws cleaning solution with each stroke of the drive pump. Permits cleaning solution application at system Pressure... [See More]

  • Pump Housing Material: Stainless Steel
  • Discharge Pressure: 1500.0
  • Liquid Flow: 0.8
  • Discharge Size: 0.125
Magnetic Drive Process Pumps -- MAXP Series
from Magnatex Pumps, Inc.

The MAXP Series of pumps has been designed to conform to ANSI B73.3 dimensional standards. The pumps are extremely rugged, which makes them ideal for rigorous duty in the chemical and petrochemical industries. Straddle-mounted inner magnet system with bearings on both sides of the magnet —this... [See More]

  • Pump Housing Material: Stainless Steel; 316SS, 304/L, 316L, Alloy 20, Hastelloy® Alloy
  • Discharge Pressure: ? to 285.0
  • Liquid Flow: ? to 2000.0
  • Discharge Size: 0.470 to 0.710
Linear Injection Pump System -- FSH-LA10/30-D-PN
from Guangzhou Ascend Precision Machinery Co., Ltd.

FSH-LA series integrated linear injection pump is designed to meet the needs of small volume fluid injection,filling, reduce the installation space of injection pump and reduce cost.This series of fluid injection pump integrates the control module ,without a separate controller, greatly saving... [See More]

  • Pump Housing Material: Stainless Steel; Teflon, Ceramic
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Pulse Actuated Chemical Pump -- 101067
from General Pump

Pulse-Actuated Chemical Pump, High Pressure. Features. 316 Stainless Steel body. 316 Stainless Steel piston. Mounts to one of the drive pump inlet valve ports by using a special valve adapter. Draws cleaning solution with each stroke of the drive pump. Permits cleaning solution application at system... [See More]

  • Pump Housing Material: Stainless Steel
  • Discharge Size: 0.125
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Magnetic Drive Pump -- MP Series
from Magnatex Pumps, Inc.

Close-coupled, compact, MP Series pumps are the efficient and dependable choice for medium-flow, medium-head applications. The MP Series pump features sub-ANSI sizes for efficient lower flow applications. Affordable, high-performance Magnatex ® pumps give you higher efficiency with lower... [See More]

  • Pump Housing Material: Stainless Steel; 316SS, Alloy 20, Hastelloy® Alloy
  • Discharge Pressure: ? to 225.0
  • Liquid Flow: ? to 150.0
  • Discharge Size: 0.470 to 0.710