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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Built around Milton Roy's stepper-motor platform, the ERB34 (Frame B) offers enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 18.0 GPH against pressures up to 50 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,409.20
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERB42 (Frame B) offers enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 5.6 GPH against pressures up to 175 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,117.46
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERB43 (Frame B) offers enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 14.0 GPH against pressures up to 75 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,342.29
Available for Purchase
Subject to factory lead times
The ERB44 is a PROTEUS™ Frame B metering pump drive with enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 18.0 GPH against pressures up to 50 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,409.20
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC12 (Frame C) offers manually adjustable capacity control — no external signal required, straightforward to operate in standalone installations. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,515.58
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC13 (Frame C) offers manually adjustable capacity control — no external signal required, straightforward to operate in standalone installations. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,922.48
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC14) features manually adjustable capacity control — no external signal required, straightforward to operate in standalone installations. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$6,570.66
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC22 (Frame C) offers enhanced electronic control with a full-color graphical display, multiple operation modes (manual, analog 4–20 mA, pulse, batch, and timer), and programmable I/O contacts. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$6,975.36
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC23) features enhanced electronic control with a full-color graphical display, multiple operation modes (manual, analog 4–20 mA, pulse, batch, and timer), and programmable I/O contacts. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$7,382.26
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC24 (Frame C) offers enhanced electronic control with a full-color graphical display, multiple operation modes (manual, analog 4–20 mA, pulse, batch, and timer), and programmable I/O contacts. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$8,030.44
Available for Purchase
Subject to factory lead times
The ERC32 is a PROTEUS™ Frame C metering pump drive with enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$7,951.47
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC33) features enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$8,358.37
Available for Purchase
Subject to factory lead times
The ERC34 is a PROTEUS™ Frame C metering pump drive with enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$9,006.55
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC42 (Frame C) offers enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$7,951.47
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC43) features enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$8,358.37
Available for Purchase
Subject to factory lead times
The ERC44 is a PROTEUS™ Frame C metering pump drive with enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$9,006.55
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP41-40) covers 40 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$118,439.93
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP43-28) covers 28 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$116,227.43
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP43-32) covers 32 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$117,331.14
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP43-36) covers 36 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$118,439.93
Available for Purchase
Subject to factory lead times
The TT0060 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$172.45
Available for Purchase
Subject to factory lead times
The TT0100 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$182.60
Available for Purchase
Subject to factory lead times
The TT0250 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$200.86
Available for Purchase
Subject to factory lead times
The TT0500 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$226.22
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERB34 (Frame B) offers enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 18.0 GPH against pressures up to 50 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,409.20
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERB42 (Frame B) offers enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 5.6 GPH against pressures up to 175 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,117.46
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERB43 (Frame B) offers enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 14.0 GPH against pressures up to 75 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,342.29
Available for Purchase
Subject to factory lead times
The ERB44 is a PROTEUS™ Frame B metering pump drive with enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 18.0 GPH against pressures up to 50 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,409.20
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC12 (Frame C) offers manually adjustable capacity control — no external signal required, straightforward to operate in standalone installations. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,515.58
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC13 (Frame C) offers manually adjustable capacity control — no external signal required, straightforward to operate in standalone installations. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$5,922.48
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC14) features manually adjustable capacity control — no external signal required, straightforward to operate in standalone installations. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$6,570.66
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC22 (Frame C) offers enhanced electronic control with a full-color graphical display, multiple operation modes (manual, analog 4–20 mA, pulse, batch, and timer), and programmable I/O contacts. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$6,975.36
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC23) features enhanced electronic control with a full-color graphical display, multiple operation modes (manual, analog 4–20 mA, pulse, batch, and timer), and programmable I/O contacts. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$7,382.26
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC24 (Frame C) offers enhanced electronic control with a full-color graphical display, multiple operation modes (manual, analog 4–20 mA, pulse, batch, and timer), and programmable I/O contacts. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$8,030.44
Available for Purchase
Subject to factory lead times
The ERC32 is a PROTEUS™ Frame C metering pump drive with enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$7,951.47
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC33) features enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$8,358.37
Available for Purchase
Subject to factory lead times
The ERC34 is a PROTEUS™ Frame C metering pump drive with enhanced electronic control with ProfiBus DP communications for direct integration into plant-wide process control networks. Supports analog input pacing, batch, and timer modes. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$9,006.55
Available for Purchase
Subject to factory lead times
Built around Milton Roy's stepper-motor platform, the ERC42 (Frame C) offers enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 16 GPH against pressures up to 150 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$7,951.47
Available for Purchase
Subject to factory lead times
This PROTEUS™ Frame C drive (ERC43) features enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 28–32 GPH against pressures up to 50–100 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$8,358.37
Available for Purchase
Subject to factory lead times
The ERC44 is a PROTEUS™ Frame C metering pump drive with enhanced electronic control with ModBus RTU communications for seamless integration with SCADA and DCS systems. Supports analog input pacing, batch, and timer modes. It delivers up to 53 GPH against pressures up to 60 psi, with a 1000:1 turndown ratio and ±1% steady-state accuracy. Compatible with Size 4 and Size 6 field-replaceable liquid ends.
$9,006.55
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP41-40) covers 40 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$118,439.93
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP43-28) covers 28 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$116,227.43
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP43-32) covers 32 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$117,331.14
Available for Purchase
Subject to factory lead times
This PrimeRoyal® R liquid end (PXP43-36) covers 36 mm plunger diameter in the high-pressure packed-plunger configuration. 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.
$118,439.93
Available for Purchase
Subject to factory lead times
The TT0060 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$172.45
Available for Purchase
Subject to factory lead times
The TT0100 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$182.60
Available for Purchase
Subject to factory lead times
The TT0250 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$200.86
Available for Purchase
Subject to factory lead times
The TT0500 is a safety valve accessory for Milton Roy metering pump installations. Provides overpressure protection on metering pump discharge piping. These valves protect against blocked injection lines, sudden downstream pressure spikes, and other conditions that could damage the pump head or diaphragm. Select the correct pressure rating and body material to match the process service and discharge pressure range.
$226.22
Available for Purchase
Subject to factory lead times