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Bronze Pedestal Gear Pump - N26HD

The Bronze Gear Pump - N26HD is a superbly crafted positive displacement gear pump that exemplifies reliability and efficiency. This high-quality bronze gear pump features top-grade bronze castings and 303 stainless steel shafts, ensuring it stands up to the rigors of industrial use. 

  • All Bronze Casting and Stainless Steel Shafts: The pump’s bronze construction guarantees durability, while the stainless steel shafts provide the robustness needed for a stainless steel shaft gear pump. 
  • Self Lubricating Carbon Bearings: These carbon-graphite bearings are not only high-performance but also self-lubricating, which means less maintenance and a longer-lasting pump. 

  • Seal Conversion Kits: The N26HD is adaptable in the field, with gear pump seal conversion kits available for easy maintenance and repair. Seal conversion kits illustrated (on back) are designed for quick removal and replacement. In each case, seal housings are fastened to pump bodies by means of 2 bolts, item 13. 

 

Performance

  • Drive: Recommended as a direct drive gear pump, the N26HDP can also be configured for belt drive applications, supported by an outboard ball bearing for enhanced performance without the need for pillow block bearings. 

  • Drive & Alignment: Whether you choose a direct drive with flexible coupling or a pulley drive, the N26HDP accommodates various setups while emphasizing the importance of gear pump alignment for optimal service life. 

  • NOISE: As a low-noise gear pump, the N26HDP is designed to operate with minimal sound, but as with all large gear pumps, some noise is inherent due to metal-on-metal contact. 

Suction Lift: 

  • High Suction Lift Gear Pump: This pump is a powerful rotary gear pump that can lift water up to 20 feet (~6 m) on the suction side, making it ideal for a range of applications. 

  • Self-Priming Gear Pump: While the N26HDP is self-priming, the inclusion of a gear pump foot valve is recommended to ensure reliable operation. 

Liquids & Temperatures: 

  • High-Temperature Service: The N26HDP is built to operate as a gear pump for high-temperature liquids, though keeping the liquid close to room temperature is advisable to reduce wear. 

Service Wear Factors: 

  • Speed: To extend the life of your pump, operate it at a low speed. The N26HDP is designed as a low-speed gear pump, ideal for maintaining performance without undue wear. 

  • Pressure: This high-pressure gear pump can handle challenging conditions, but operating at lower pressures when possible will help prolong the pump’s lifespan. 

  • Liquid Contamination: Keep your liquids clean to prevent abrasion, ensuring that the N26HDP continues to function as an abrasion-resistant gear pump. 

  • Liquid Lubricity: The use of lubricant additives can enhance the N26HDP’s service life, making it a lubricity enhancing gear pump. 

Exploded View N26HD

 

Item

Part Name

Quantity

OBN26HDP

OBN26HDL

OBN26HDLS3

OBN26HDM

OBN26HDMS7

OBN26HDMS8

1

Body Rear

Qty. 1

OB5220PN5N

OB5220PN5N

OB5220PN5N

OB5220PN5N

OB5220PN5N

OB5220PN5N

2

Screw

Qty. 20

OB5694

OB5694

OB5694

OB5694

OB5694

OB5694

3*

Snap Ring

Qty. 6

OB7651

OB7651

OB7651

OB7651

OB7651

OB7651

4*

O-Ring

Qty. 2

OB9797-158

OB9797-158

OB9797-158

OB9797-158

OB9797-158

OB9999-158

5*

Bearing

Qty. 8

OB5108

OB5108

OB5108

OB5108

OB5108

OB5108

6a*

Drive Gear

Qty. 2

OB9854

OB9854

OB9854

OB9854

OB9854

OB9854

6b*

Idle Gear

Qty. 2

OB9855

OB9855

OB9855

OB9855

OB9855

OB9855

7*

Idle Shaft

Qty. 2

OB7653

OB7653

OB7653

OB7653

OB7653

OB7653

8*

Drive Shaft

Qty. 1

OB7571

OB7571

OB7571

OB7571

OB7571

OB7571

9

Dowel Pin

Qty. 4

OB8597

OB8597

OB8597

OB8597

OB8597

OB8597

10

Body Front

Qty. 1

OB5220PN7N

OB5220PN7N

OB5220PN7N

OB5220PN7N

OB5220PN7N

OB5220PN7N

11*

O-Ring

Qty. 1

OB6515

OB9797-224

OB6515

OB6515

OB9797-224

OB6515

12*

Packing Ring

Qty. 4

OB7624

N/A

N/A

N/A

N/A

N/A

13

Screw

Qty. 2

OB6827

OB6827

OB6827

OB6827

OB6827

OB6827

14

Nut

Qty. 2

OB8395

N/A

N/A

N/A

N/A

N/A

15

Gland

Qty. 1

OB7451

N/A

N/A

N/A

N/A

N/A

16

Screw

Qty. 2

OB9905

N/A

N/A

N/A

N/A

N/A

17

Seal Housing

Qty. 1

OB7449

N/A

N/A

N/A

N/A

N/A

18*

Seal

Qty. 1

OB6710

N/A

N/A

N/A

N/A

N/A

19

Snap Ring

Qty. 1 or 2

OB7372 (2 Req'd)

OB7372 (1 Req'd)

OB7372 (1 Req'd)

OB7372 (1 Req'd)

OB7372 (1 Req'd)

OB7372 (1 Req'd)

20

Ball Bearing

Qty. 1

OB7368

OB7368

OB7368

OB7368

OB7368

OB7368

21

Key

Qty. 5

OB5975

OB5975

OB5975

OB5975

OB5975

OB5975

22*

Lip Seal

Qty. 1

N/A

OB7262

OB6500

N/A

N/A

N/A

23

Seal Housing

Qty. 1

N/A

OB7365

OB7365

OB7365

OB7365

OB7365

24*

Ring

Qty. 1

N/A

N/A

N/A

OB7651

OB7651

OB7651

25*

Seal Assy

Qty. 1

N/A

N/A

N/A

OB32315

OB32372

OB33335

26**

Tie Block

Qty. 1

OB2286

OB2286

OB2286

OB2286

OB2286

OB2286

27

Tag

Qty. 1

OB7737

OB7737

OB7737

OB7737

OB7737

OB7737

-

Repair Kit

-

OB11015

OB11017

OB11018

OB11019

OB11020

TBD

*Repair Kits contain items 3, 4, 5, 6, 7, 8, 11, 12, 18, 22, 24 & 25.

Item 27 not depicted.  

** The sub-assembly part no. for the Tie Block with (4) OB5108 bearings (item 5) installed is OB32129.

 


Seal Conver. Kit No.

OB11021 - OBN26HDP | Packing | Acrylic-Graphite

OB11023 - OBN26HDL | Lip | FKM-PTFE

OB11024 - OBN26HDLS03 | Lip | NBR

OB11025 - OBN26HDM | Mechanical | NBR-Ceramic

OB11026 - OBN26HDMS07 | Mechanical | FKM-Ceramic

TBD - OBN26HDMS8 | Mechanical | EPDM

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