Metering Pumps
Metering pumps are positive displacement pumps designed to move a precise volume of liquid per revolution. They are often used in industrial and commercial applications to pump chemicals, lubricants, and other flui...
Categories in Metering Pumps - Accurate Dispensing Solutions for Precision (2)
Solenoid Driven Metering Pumps
Solenoid driven metering pumps are precision devices used for accurate and controlled dispensing of fluids. These pumps utilize a solenoid-driven piston or diaphragm to deliver precise volumes of liquid, making them ideal for applications that require precise dosing, such as water treatment, chemical processing, and laboratory environments.
Motor Driven Metering Pumps
Motor-driven metering pumps deliver precise, reliable chemical dosing for demanding industrial applications, combining high flow capacity with consistent accuracy. Ideal for water treatment, chemical processing, and manufacturing, these pumps offer adjustable stroke length and motor speed to handle a wide range of fluid viscosities and pressures. Their robust construction ensures long-term durability, while optional features like integrated controllers and safety valves enhance process control and system protection.
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MECHANICAL DIAPHRAGM PUMP, LKN57D-VC
$5,112.61$5,521.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57E-VC
$5,112.61$5,521.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57F-VC
$3,615.22$3,904.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57N-S6
$4,157.87$4,490.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57N-TC
$3,690.23$3,985.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57N-VC
$2,539.17$2,742.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, W/FLANGES, LKN32G-003
Requires Quote
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
The Pulsatron Series MP is a true microprocessor controlled instrument for precise and accurate metering control. Packed with standard features, the Series MP include automatic control via 4-20mA or 20-4 mA inputs, external pace with stop feature and 16 character LCD display with support for English, French, and German languages.
$1,399.93$1,671.00
Available for Purchase
Subject to factory lead times
Configured for 8 mm plunger service in 316L stainless steel, the 11-08 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$12,428.92
Available for Purchase
Subject to factory lead times
Configured for 10 mm plunger service in 316L stainless steel, the 11-10 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$14,079.41
Available for Purchase
Subject to factory lead times
This PrimeRoyal® H liquid end (11-12) uses a 12 mm plunger in 316L stainless steel construction. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$14,079.41
Available for Purchase
Subject to factory lead times
This PrimeRoyal® H liquid end (11-14) uses a 14 mm plunger in 316L stainless steel construction. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$17,433.15
Available for Purchase
Subject to factory lead times
This PrimeRoyal® H liquid end (11-16) uses a 16 mm plunger in 316L stainless steel construction. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$17,433.15
Available for Purchase
Subject to factory lead times
The 11-18 is a PrimeRoyal® H metallic diaphragm liquid end with a 18 mm plunger in 316L stainless steel. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$22,000.16
Available for Purchase
Subject to factory lead times
Configured for 20 mm plunger service in 316L stainless steel, the 11-20 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$22,000.16
Available for Purchase
Subject to factory lead times
Configured for 22 mm plunger service in 316L stainless steel, the 11-22 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$34,828.77
Available for Purchase
Subject to factory lead times
The 11-25 is a PrimeRoyal® H metallic diaphragm liquid end with a 25 mm plunger in 316L stainless steel. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$34,828.77
Available for Purchase
Subject to factory lead times
Built for critical process injection, the 21-10 (PrimeRoyal® K) uses a 10 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,022.13
Available for Purchase
Subject to factory lead times
This PrimeRoyal® K liquid end (21-16) is configured with a 16 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,437.03
Available for Purchase
Subject to factory lead times
This PrimeRoyal® K liquid end (21-19) is configured with a 19 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,437.03
Available for Purchase
Subject to factory lead times
Built for critical process injection, the 21-25 (PrimeRoyal® K) uses a 25 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,852.95
Available for Purchase
Subject to factory lead times
The 21-32 is a PrimeRoyal® N PTFE HPD diaphragm liquid end for a 32 mm plunger in 316L stainless steel. Designed for large-bore, high-flow critical process injection, the PrimeRoyal N HPD keeps process fluid contained behind the PTFE diaphragm at all times. Available with diaphragm rupture detection — pressure switch (NEMA 4 or explosion-proof), gauge, combined gauge and switch, or transmitter manifold — for process safety compliance. Suction and discharge connections range from standard threaded to ANSI flanges through Class 1500 in stainless or Alloy 20. Bernard actuator capacity control options (IP68 and explosion-proof) are available for remote modulating control. Gear set, motor mount, and oil options are priced separately.
$24,972.47
Available for Purchase
Subject to factory lead times
The 21-40 is a PrimeRoyal® N PTFE HPD diaphragm liquid end for a 40 mm plunger in 316L stainless steel. Designed for large-bore, high-flow critical process injection, the PrimeRoyal N HPD keeps process fluid contained behind the PTFE diaphragm at all times. Available with diaphragm rupture detection — pressure switch (NEMA 4 or explosion-proof), gauge, combined gauge and switch, or transmitter manifold — for process safety compliance. Suction and discharge connections range from standard threaded to ANSI flanges through Class 1500 in stainless or Alloy 20. Bernard actuator capacity control options (IP68 and explosion-proof) are available for remote modulating control. Gear set, motor mount, and oil options are priced separately.
$24,972.47
Available for Purchase
Subject to factory lead times
The 21-45 is a PrimeRoyal® R packed-plunger liquid end for 44.5 mm plunger service, manufactured in France. The PrimeRoyal R excels in oil & gas injection, pipeline dosing, and petrochemical service where very high pressures and large flow volumes are required. Metallic construction throughout ensures long service life in aggressive process environments. Check valve, connection type, capacity control, and motor options are selected separately to complete the configuration for the specific application. RPM maintenance kits are available to cover all scheduled-interval service requirements.
$41,797.97
Available for Purchase
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57D-VC
$5,112.61$5,521.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57E-VC
$5,112.61$5,521.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57F-VC
$3,615.22$3,904.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57N-S6
$4,157.87$4,490.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57N-TC
$3,690.23$3,985.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, LKN57N-VC
$2,539.17$2,742.00
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
MECHANICAL DIAPHRAGM PUMP, W/FLANGES, LKN32G-003
Requires Quote
Should ship between 04 Nov and 07 Nov
Subject to factory lead times
The Pulsatron Series MP is a true microprocessor controlled instrument for precise and accurate metering control. Packed with standard features, the Series MP include automatic control via 4-20mA or 20-4 mA inputs, external pace with stop feature and 16 character LCD display with support for English, French, and German languages.
$1,399.93$1,671.00
Available for Purchase
Subject to factory lead times
Configured for 8 mm plunger service in 316L stainless steel, the 11-08 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$12,428.92
Available for Purchase
Subject to factory lead times
Configured for 10 mm plunger service in 316L stainless steel, the 11-10 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$14,079.41
Available for Purchase
Subject to factory lead times
This PrimeRoyal® H liquid end (11-12) uses a 12 mm plunger in 316L stainless steel construction. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$14,079.41
Available for Purchase
Subject to factory lead times
This PrimeRoyal® H liquid end (11-14) uses a 14 mm plunger in 316L stainless steel construction. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$17,433.15
Available for Purchase
Subject to factory lead times
This PrimeRoyal® H liquid end (11-16) uses a 16 mm plunger in 316L stainless steel construction. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$17,433.15
Available for Purchase
Subject to factory lead times
The 11-18 is a PrimeRoyal® H metallic diaphragm liquid end with a 18 mm plunger in 316L stainless steel. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$22,000.16
Available for Purchase
Subject to factory lead times
Configured for 20 mm plunger service in 316L stainless steel, the 11-20 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$22,000.16
Available for Purchase
Subject to factory lead times
Configured for 22 mm plunger service in 316L stainless steel, the 11-22 is a PrimeRoyal® H HPD liquid end for critical process metering. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$34,828.77
Available for Purchase
Subject to factory lead times
The 11-25 is a PrimeRoyal® H metallic diaphragm liquid end with a 25 mm plunger in 316L stainless steel. The High Performance Diaphragm (HPD) design keeps the process fluid completely separated from the drive, making it suitable for toxic, corrosive, or high-value process streams. Suction and discharge connections are available threaded (male or female) or in ANSI flanged configurations from Class 150 to Class 1500. Pairs with standard gear ratios of 8:1, 10:1, 12.5:1, 14.5:1, and 25:1 to achieve the required strokes per minute. Compatible with all standard capacity control and drive options in the PrimeRoyal H product line.
$34,828.77
Available for Purchase
Subject to factory lead times
Built for critical process injection, the 21-10 (PrimeRoyal® K) uses a 10 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,022.13
Available for Purchase
Subject to factory lead times
This PrimeRoyal® K liquid end (21-16) is configured with a 16 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,437.03
Available for Purchase
Subject to factory lead times
This PrimeRoyal® K liquid end (21-19) is configured with a 19 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,437.03
Available for Purchase
Subject to factory lead times
Built for critical process injection, the 21-25 (PrimeRoyal® K) uses a 25 mm plunger in 316L stainless steel (high-pressure G2 configuration). The PTFE/NBR GSD diaphragm provides full process isolation while handling the pressure cycles of high-duty metering service. Check valve styles — single ball, double ball, hard 440C, slurry, and viscous-liquid spring-loaded — are selected at order time to match fluid characteristics. Suction and discharge connections are available in threaded standard, ANSI Class 150, 300, 600, or 1500 flanges in 316L SS or Alloy 20. Base price covers the liquid end body; gear set, motor mount, capacity control, and oil options are priced separately.
$12,852.95
Available for Purchase
Subject to factory lead times
The 21-32 is a PrimeRoyal® N PTFE HPD diaphragm liquid end for a 32 mm plunger in 316L stainless steel. Designed for large-bore, high-flow critical process injection, the PrimeRoyal N HPD keeps process fluid contained behind the PTFE diaphragm at all times. Available with diaphragm rupture detection — pressure switch (NEMA 4 or explosion-proof), gauge, combined gauge and switch, or transmitter manifold — for process safety compliance. Suction and discharge connections range from standard threaded to ANSI flanges through Class 1500 in stainless or Alloy 20. Bernard actuator capacity control options (IP68 and explosion-proof) are available for remote modulating control. Gear set, motor mount, and oil options are priced separately.
$24,972.47
Available for Purchase
Subject to factory lead times
The 21-40 is a PrimeRoyal® N PTFE HPD diaphragm liquid end for a 40 mm plunger in 316L stainless steel. Designed for large-bore, high-flow critical process injection, the PrimeRoyal N HPD keeps process fluid contained behind the PTFE diaphragm at all times. Available with diaphragm rupture detection — pressure switch (NEMA 4 or explosion-proof), gauge, combined gauge and switch, or transmitter manifold — for process safety compliance. Suction and discharge connections range from standard threaded to ANSI flanges through Class 1500 in stainless or Alloy 20. Bernard actuator capacity control options (IP68 and explosion-proof) are available for remote modulating control. Gear set, motor mount, and oil options are priced separately.
$24,972.47
Available for Purchase
Subject to factory lead times
The 21-45 is a PrimeRoyal® R packed-plunger liquid end for 44.5 mm plunger service, manufactured in France. The PrimeRoyal R excels in oil & gas injection, pipeline dosing, and petrochemical service where very high pressures and large flow volumes are required. Metallic construction throughout ensures long service life in aggressive process environments. Check valve, connection type, capacity control, and motor options are selected separately to complete the configuration for the specific application. RPM maintenance kits are available to cover all scheduled-interval service requirements.
$41,797.97
Available for Purchase
Subject to factory lead times
FAQS
- A metering pump is a dosing pump designed to deliver precise, repeatable amounts of fluid. It works by controlling stroke length, stroke speed, or motor speed to achieve accurate flow rates, even under changing pressure conditions.
- Common types include diaphragm metering pumps, piston metering pumps, peristaltic dosing pumps, solenoid driven pumps, and motor driven pumps. Each offers different benefits for pressure, chemical compatibility, and turndown ratio.
- Metering pumps are used in water treatment, chemical injection, cooling towers, boilers, food and beverage processing, pharmaceuticals, agriculture, and any application requiring precise dosing of chemicals or additives.
- To size a metering pump, determine required flow rate, discharge pressure, chemical type, temperature, viscosity, and desired turndown. It’s also essential to verify compatibility with seals, diaphragms, and wetted materials.
- Metering pumps can handle a wide range of chemicals including acids, caustics, polymers, disinfectants, coagulants, corrosion inhibitors, and food grade ingredients. Proper material selection ensures safe and reliable operation.