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500 | Bronze Centrifugal Close Coupled Pump

The Bronze Close Coupled Centrifugal Pump Model 500 is a high-efficiency pump designed for a wide range of fluid handling applications. Constructed from durable bronze and featuring a stainless steel motor shaft, this pump offers exceptional corrosion resistance and longevity. Its compact design and quiet operation make it ideal for both industrial and commercial use. The pump is equipped with a mechanical seal and can handle various liquids, including water, oils, and mild solvents, making it a versatile solution for many industries.

Advantages:

  • Durability: Constructed from high-quality bronze and stainless steel, offering exceptional corrosion resistance and longevity. 

  • Efficiency: The compact design and powerful motor options ensure efficient fluid handling, reducing energy consumption and operational costs. 

  • Versatility: Suitable for a wide range of applications, from industrial and commercial to marine use, and compatible with various fluids. 

  • Safety: Features such as thermal overload protection and vibration dampening ensure safe and stable operation, protecting both the pump and the system. 

  • Reliability: Proven performance in demanding environments, backed by robust construction and advanced design features, ensuring consistent and reliable operation. 

  • Durable Construction:
    Made from high-quality bronze, providing excellent corrosion resistance and long-lasting performance. 

  • Stainless Steel Motor Shaft:
    Ensures durability and reliability in demanding environments. 

  • Mechanical Seal:
    Equipped with a Buna rubber element, suitable for water, oils, and mild solvents. Viton seals are available for handling severe solvents and elevated temperatures. 

  • Quiet Operation:
    Designed for extremely quiet performance, making it suitable for noise-sensitive applications. 

  • Versatile Liquid Handling:
    Capable of handling contaminated liquids and a wide range of commercial chemicals. 

  • No Relief Valve Required:
    The centrifugal design allows for controlled flow without the need for a relief valve. 

  • Compact Design:
    Easy to install and ideal for applications with limited space. 

 

Inlet/Outlet Size

3/8”

Seal Material

Buna (standard), Viton (optional)

Maximum Temperature

212°F (100°C) with Buna; higher with Viton seals

Max Capacity

9 GPM (2.04 m³/h)

Max Head

28 ft (4 m)

Viscosity Handling

Up to 2000 SSU (Saybolt Seconds Universal)

Construction

Bronze body, stainless steel motor shaft, mechanical seals

Protection Features

Thermal overload protection, vibration dampening, ignition protection (AC motors)

 

 

Model

RPM

HP / kW

Phase

Voltage

Motor Type

Shaft Material

OB500-F13 

3450 

1/3 (0.24 kW)

Single 

115V 

ODP 

Stainless Steel 

OB500-F20 

3450 

1/3 (0.24 kW)

Single 

115/230V 

TEFC 

Stainless Steel 

OB500-F21 

3450 

1/3  (0.24 kW)

Single 

115/230V 

XP 

Stainless Steel 

OB500-J19 

3450 

1/2 (0.37 kW)

Single 

115/230V 

ODP 

Stainless Steel 

OB500-J20 

3450 

1/2  (0.37 kW)

Single 

115/230V 

TEFC 

Stainless Steel 

OB500-F57 

3450 

1/3 (0.24 kW)

Three 

220/440V 

ODP 

Stainless Steel 

OB500-F68 

2850 

1/3 (0.24 kW)

Three 

220/380V 

TEFC 

Stainless Steel 

OB500-J58 

3450 

1/2 (0.37 kW)

Three 

220/440V 

TEFC 

Stainless Steel 

 

Exploded View 500

 

Item

Part Name

Quantity

OB500

OB500P

1

Screw

Qty. 6

OB5385

OB5385

2

Cover

Qty. 1

OB6483

OB6483

3*

Gasket

Qty. 1

OB6502

OB6502

4*

Impeller

Qty. 1

OB6476

OB7351

5*

Seal Assy

Qty. 1

OB32154

OB32154

6

Plug

Qty. 1

OB6052

OB6052

7

Body

Qty. 1

OB6475

OB6475

8

Screw

Qty. 1

OB5595

OB5595

9

Screw

Qty. 4

OB5411

OB5411

10

Adapter

Qty. 1

OB7611

OB7611

11

Motor

Qty. 1

---

---

12* **

Screw Set

Qty. 1

---

OB9849

-

Repair Kit

-

OB10694 (1 Phase)

OB11062 (3 Phase)

* Repair kit contains items 3, 4, 5, 12.

** Parts not shown

 

Motor P/N (Item 11)

OB500-F13 | OB5859

OB500-F20 | OB7986

OB500-F21 | OB8214

OB500-J19 | OB5860

OB500-J20 | OB7976

OB500-F57 | OB6996

OB500-F68 | OB8654

OB500-J58 | OB9214

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