Nordson 25B User Manual

25B Pumps
Customer Product Manual
Part 104 330H
NORDSON CORPORATION
D AMHERST, OHIO D USA

Nordson 25B Specifications

General

Brand	Nordson
Model	25B
Category	Water Pump
Language	English

Summary

Section 1 Safety

2. Qualified Personnel

Responsibility for ensuring personnel are trained and capable.

5. Personal Safety

General safety practices including guarding, pressure relief, and PPE.

High-Pressure Fluids Hazards

Extreme hazards of high-pressure fluids and injection injury protocols.

6. Fire Safety

Precautions to prevent fire or explosion from static discharge or vapors.

Halogenated Hydrocarbon Solvent Hazards

Risks of using these solvents with aluminum components.

7. Action in the Event of a Malfunction

Steps to take when a system malfunction occurs.

Section 2 Description

5. Theory of Operation

Explanation of suction and pressure strokes and solvent chamber.

Section 3 Installation

1. Introduction to Installation

3. Air Connections

Procedures for installing air intake fittings, regulators, and air lines.

4. Hydraulic Connections

Steps for connecting fluid lines for non-circulating systems.

Section 4 Operation

1. Initial Startup

Procedure for flushing the system and preparing the pump for service.

2. Daily Startup

Steps to start the pump on a daily basis, including heater operation.

4. Shutdown Procedures

Steps for safely shutting down the pump and system.

Section 5 Maintenance

2. Daily Maintenance

Daily maintenance tasks to be performed prior to startup.

Section 6 Troubleshooting

2. Troubleshooting Charts

Table listing common pump problems and their corrective actions.

Pump Suction Problems

Isolating and correcting issues related to pump suction and cavitation.

Priming Problems

Addressing issues caused by restrictions or suction lift losses.

Section 7 Repair

1. Introduction to Repair

3. Air Valve Procedures

Disassembly, inspection, and assembly of the air valve.

4. Air Motor Procedures

Disassembly, inspection, and assembly of the air motor.

5. 2:1 and 4:1 Hydraulic Section Repair

Procedures for repairing 2:1 and 4:1 hydraulic sections.

6. 16:1 and 27:1 Hydraulic Sections Repair

Section 8 Parts

2. 2:1 Pump Parts

4. 16:1 Standard Pump Parts

5. 16:1 Stainless Steel Pump Parts

8. Air Valve Parts

9. Air Motor Parts

10. 2:1 Hydraulic Section Parts

12. 16:1 Standard Hydraulic Section Parts

18. Air Valve Kits

20. Check Kits

21. Seal and Packing Gland Kits

Packing Gland Chart

Recommended Spare Parts