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Durable Dosing Pump for Accurate Injection | MAXROY B

Built to meet API 675 standards, the MAXROY B dosing pump ensures years of reliable, safe, and flexible performance for the toughest chemical processing applications.

Its cast iron housing with chemical resistant coating enables the pump to be used in the harshest environments while the absence of contour plates enables all types of fluids to be dosed: slurry, viscous, clear, corrosive, toxic, volatile, abrasive, inflammable, etc.

  • Material (liquid end): 316L S.S. / PVC
  • Pressure max: 406 psi / 28 bar (metallic liquid end); 145 psi / 10 bar (plastic liquid end)
  • Flow max: 291 gph / 1100 lph
  • Multiplexing capabilities: Duplex and Triplex
  • Flow variation control: Manual / Remote
  • Certifications: API 675, EC, ATEX, IECEX

This product is not available in the US.

Technical characteristics

Flow rate up to 420 l/h for MAXROY® B105 and up to 1,100 l/h for MAXROY® B145. Pressure up to 10 bar for MAXROY® B145 and up to 28 bar for MAXROY® B105. Maximum temperature for metallic liquid end is +90, and for plastic liquid end is +50. 

High-Precision Metering Pump with Wide Temperature Tolerance

Engineered for reliability, this metering pump operates in ambient temperatures from -10°C to +50°C (316L S.S. and PVDF) and 0°C to +40°C (PVC). It offers adjustable flow from 0–100% during operation, ensuring ±1% accuracy and long diaphragm life exceeding 20,000 hours.

Flexible Flow Control Pump for Industrial Applications

Achieve precise dosing with adjustable flow control from 0 to 100% whether running or stopped. Designed with an internal safety valve, optional relief settings, and suction lift up to 1 meter, it ensures dependable performance across demanding environments.

Durable Diaphragm Pump with Advanced Safety Features

Built for durability, this pump features single or double diaphragm options with a lifespan exceeding 20,000 hours. It includes a factory-set internal safety valve and supports suction pressures up to 2 bar, ensuring safe and efficient operation.

API 675 Compliant Pump with Multiplexing Capability

Designed to meet API 675 standards, this high-performance pump supports multiplexing and handles diverse fluid conditions. Its precision accuracy (±1%) and customizable configurations make it ideal for complex industrial dosing systems.

Explosion-Proof ATEX-Certified Metering Pump

For hazardous environments, this explosion-proof pump complies with ATEX II 2 G Ex h IIC T4 Gb X standards. It combines robust construction, precise flow adjustment, and versatile diaphragm options for safe, regulated operation.

 

Type

Plastic liquid end

Metallic liquid end

Stroke speed (spm)(1)

Gear

Plunger Ø (mm)

Diaphragm Ø (mm)

Swept volume (cm3)(3)

Flow rate at 10 bar (l/h)

Flow rate at 10 bar (l/h)

Flow rate at 28 bar (l/h)

 

 

MAXROY® B105

84

 

84

36

1/25

41.1

105

38.8

130

 

130

58

1/25

41.1

105

38.8

209

 

391

96

1/15

41.1

105

38.8

316

 

391

144

1/10

41.1

105

38.8

391

 

391

180 (2)

1/8

41.1

105

38.8

 

MAXROY® B145

363

363

 

58

1/25

66.5

145

118.1

621

621

 

96

1/15

66.5

145

118.1

860

860

 

144

1/10

66.5

145

118.1

1051

1051

 

180 (2)

1/8

66.5

145

118.1

(1) Stroke rates are given for a motor speed of 1440 rpm. Flow and stroke rates increase by 20% for 60 Hz motor.

(2) Do not use with 60 Hz motor.

(3) Theoretical swept volume.

performance maxroy B

Liquid end construction

 

COMPONENTS \ CONSTRUCTION

PVC (1)

316L (2)

Liquid end body

PVC

316L

Liquid end body

PVC

316L

Seats

PE (3)

316L

Balls

Glass (3)

316L

Contour plate

PVC

316L

Diaphragm

PTFE

PTFE

Discharge ball spring

Hastelloy® C-276 alloy

316L

Seals

FKM (4)

PTFE

 

(1) Pressure is limited to 10 bar at 20°C and pressure derated 1.1 bar / 5°C. Maximum operating temperature: 50°C

(2) Milton Roy keeps an interchangeability table for national and international standards (AFNOR, DIN, ASTM, BS, etc).

(3) MAXROY® B145: PVC

(4) Other material on request

 

OTHER LIQUID END MATERIAL
  • H2SO4 concentrated» version: 316L S.S. liquid end with seats in 904L and balls in Hastelloy C
  • "Viscous liquids" version: 316L S.S. liquid end with balls in 316L S.S. and spring in Hastelloy C
  • "Slurries" version: 316L S.S. liquid end with seats and balls in 440C- "Polyelectrolytes" version: PVC liquid end with seats and balls in 316L and spring in Hastelloy C
  • Other version on request: consult us

Connect With Our Experts

We will help you to identify the right solution for your application, operating conditions and performance requirements

dimensions-maxroy-d 105 plastic

 

Models (spm)

Dimensions (mm)

Connections

Female plain socket

58 - 96 - 144

A = 176
B = 176

N1 = Ø 25x32 F
N2 = Ø 25x32 F

180

A = 219
b = 176

N1 = Ø 32x40 F
N2 = Ø 25x32 F

Flanged

58 - 96 - 144

A = 217
B = 217

N1 = PN 10 DN 25
N2 = PN 10 DN 25

180

A = 276
b = 217

N1 = PN 10 DN 25
N2 = PN 10 DN 25

 

dimensions-maxroy-b-v2.jpg
dimensions-maroy-b145.jpg

 

Models (spm)

Dimensions (mm)

Connections

Metallic liquid end

Screwed

58 - 96 - 144

A = 191
B = 191

N1 = R 1" or 1"NPT
N2 = R 1" or 1"NPT

180

A = 231
B = 191 

N1 = R 1 1/2" or 1 1/2"NPT
N2 = R 1" or 1"NPT

Welded

58 - 96 - 144

A = 191
B = 191

N1 = 1"
N2 = 1"

180

A = 231
B = 191

N1 = 1 1/2"
N2 = 1"

Flanged

58 - 96 - 144

A = 246
B = 246

N1 = 1" ANSI 150 LBS
N2 = 1" ANSI 150 LBS

180

A = 316
B = 246

N1 = 1 1/2" ANSI 150 LBS
N2 = 1" ANSI 150 LBS

Food grade

58 - 96 - 144

A = 208
B = 208

DIN 1 1851 Ø 40
OR
SMS 1145 Ø 38

180

Plastic liquid end

Female plain socket

58 - 96 - 144

A = 176
B = 176

N1 = Ø 25X32 F
N2 = Ø 25X32 F

180

A = 219
B = 176

N1 = Ø 32X40 F
N2 = Ø 25X32 F

Flanged

58 - 96 - 144

A = 217
B = 217

N1 = PN 10 DN 25
N2 = PN 10 DN 25

180

A = 276
B = 217

N1 = PN 10 DN 25
N2 = PN 10 DN 25

 

dimensions-maroy-b145-v2.jpg

Applications

Maxroy_datasheet.pdf

4.7 MB, PDF

54814_EN (1).pdf

542 KB, PDF

54126 - Pressure Style Leak Detection - Milroyal, Centrac B and Maxroy.pdf

2.5 MB, PDF

MAXROY_ENG.pdf

19 MB, PDF

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