Metering Pumps - Milton Roy

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

This PrimeRoyal® R liquid end (21-51) covers 50.8 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.

This PrimeRoyal® R liquid end (21-57) covers 57.2 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.

The 21-63 is a PrimeRoyal® R packed-plunger liquid end for 63.5 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.

The 23-19 is a PrimeRoyal® L PTFE GSD-type diaphragm liquid end with a 19 mm plunger in PVC. The PTFE diaphragm offers broader chemical compatibility than NBR-based options, making the PrimeRoyal L the preferred choice when process fluids are incompatible with elastomers. Full process containment is maintained through the diaphragm, keeping the drive oil clean and eliminating packing leakage. Connection options include standard threaded (VM/VF) as well as ANSI flanged from Class 150 through Class 1500 in stainless or Alloy 20. Gear set, motor, capacity control, and oil selections are priced separately on the PrimeRoyal L pricing page.

The 23-20 is a PrimeRoyal® Q packed-plunger liquid end for 20 mm plunger diameter service. The packed-plunger design excels at high-pressure chemical injection in oil & gas, refinery, and specialty chemical applications where diaphragm designs may be limited by pressure or temperature. P4 head design accommodates plunger diameters from 20 to 32 mm. Check valve options include single-ball, double-ball, flat valve, hard ball-and-seat (LD), slurry, H₂SO₄, viscous, and anti-siphon configurations. Wetted O-ring material is selected between PTFE, Viton, or Nitrile. Connection options and capacity control add-ons are priced separately.

This PrimeRoyal® R liquid end (23-22) covers 22 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.

The 23-23 is a PrimeRoyal® Q packed-plunger liquid end for 23 mm plunger diameter service. The packed-plunger design excels at high-pressure chemical injection in oil & gas, refinery, and specialty chemical applications where diaphragm designs may be limited by pressure or temperature. P4 head design accommodates plunger diameters from 20 to 32 mm. Check valve options include single-ball, double-ball, flat valve, hard ball-and-seat (LD), slurry, H₂SO₄, viscous, and anti-siphon configurations. Wetted O-ring material is selected between PTFE, Viton, or Nitrile. Connection options and capacity control add-ons are priced separately.

This PrimeRoyal® R liquid end (23-25) covers 25 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.