Products
Pneumatic Diaphragm Pumps
Electric Diaphragm Pumps
Piston Pumps
Filter Regulator Lubricators
Lubrication Equipment
Pneumatic Valves & Cylinders
Services
Technologies
How Diaphragm Pumps Work
How Do Powder Pumps Work
Electric Diaphragm Pumps: An Overview
Piston Pumping Fundamentals
Piston Pump Motor Technologies
Support
Diaphragm Pump Selector Tool
Chemical Compatibility Guide
Blog
ARO Product Park
On-Demand Webinars
Knowledge Hub
Document Library
AODD Manufacturer Comparison Guide
Markets
General Manufacturing
Chemical Transfer
Data Centers
Lubrication
Energy
Food & Beverage
Mining
Other Industries
Back to the product list

650950-X4B 4-Ball Piston Pump

  • 0.2:1 Ratio
  • Max Flow: 22.4 GPM (84.9 LPM)
  • Max Fluid Pressure: 278 psi (19.2 bar) 

Features

  • Reliability- Multiple packing options permit maximum fluid compatibility
  • Durability- Ultra Coated (ceramic) Plunger Rod and Tube for superior abrasion resistance
  • Versatility- High flow rate excellent for large transfer or fluid recirculation
  • Environmentally Sound- Optional muffler ensures pump meets OSHA specifications
  • Serviceability- Modular design for ease of repair

Accessories

  • 61937-1 Wall Mount
  • 667187-2 Mounting Post
  • 637315 Air Section Service Kit
  • 637318-X4B Lower End Repair Kit

Materials of Construction

  • Lower Pump Material: CF8M Stainless Steel
  • Plunger Material: 17-4 Stainless Steel (Ultra-coated)

Packing Options

  • UHMW-PE
  • UHMW-PE / PTFE staggered (upper), UHMW-PE (lower)
  • PTFE / UHMW-PE staggered (upper), Virgin PTFE (lower)

Pump Model

Lower Pump Material

Plunger Material

Hydraulic Motor

Stroke in (mm)

Hydraulic Inlet

Hydraulic Return

Lower Pump Model

Mat. Inlet

Mat. Outlet

Weight lb (kg)

650950-X4B

304 Stainless Steel*

17-4 Stainless Steel*

67147-B

5.7 (144)

3/8” NPT(F)

1/2” NPT(F)

67201-X4B

1-12” NPT(F)2” NPT(M)

1” NPT(F)

72 (32.7)

Ratio

0.2 :1

Hydraulic Inlet Pressure Range psi (bar)

50 - 1

Fluid Pressure Range psi (bar)

10 - 278 (0.6 - 19.2)

Max Cycles/Minute

50.0

Displacement/Cycle cu in (cm3)

103.6 (1

Cycles/gal (L)

2.2 (0.5)

Flow @ 50 Cycles gpm (L/min)

22.4 (84.9)

Maximum Hydraulic Temp Limit

130˚ F (54˚ C)