Depa DH25-FA - User Manual

1
DEPA
®
Air Operated Diaphragm Pumps
www.depapumps.com
www.cranecpe.com
Air Operated
Diaphragm Pumps
Operating and
Installation Instructions
Installation, Operation
and Maintenance
BA-DL-GB/01.19

Summary

1.0 Introduction

1.3 Principle of function

Explains the operational mechanism of DEPA Air Operated Diaphragm Pumps.

1.4 Technical data

1.4.4 Particle sizes, suction heads

2.0 Safety

2.1 General information

General safety instructions and prerequisites for personnel.

2.2 Danger sources

Identifies potential hazards associated with the pump's operation.

2.3 Permitted operators

Specifies who is authorized to operate, service, or repair the pump.

2.4 Intended use

2.5 Unintended use

2.6 Conversions and alterations to the pump

2.8 Maintenance and repair work

2.9 Personal protective outfit

2.10 Safety information for work on lines under pressure

3.0 Installation

3.1 To be observed before installation

Lists critical checks and considerations prior to pump installation.

3.2 Design and arrangement of connecting lines

3.3 Placement and possible installations of the pump

3.5 Connection of air supply line

3.6 Connection of suction and pressure pipes

3.11 Equipotential bonding; earthing

4.0 Operation

4.1 General

General steps and checks before pump operation.

4.2 Switching on the pump

Instructions on how to start the pump safely and correctly.

4.3 Flow control

4.4 Switching off the pump

4.5 What to do in events of emergency

4.7 Diaphragm monitoring - conductive

4.8 Diaphragm monitoring - capacitive

4.9 Cleaning pumps for food applications (CIP = Clean In Place)

4.10 Diaphragm break sensors and shut-down in the event of leaks

4.11 Pulsation damping

5.0 Maintenance

5.1 Inspection periods

5.2 Cleaning

5.3 Dismantling and assembling

Step-by-step instructions for disassembling and reassembling the pump.

6.0 Troubleshooting

7.0 Active pulsation damper

7.1 Function

7.2 Recommended installation schematic

7.3 Pulsation damper with diaphragm breakage monitoring

7.4 Active pulsation damper with DEPA nopped E4 compound diaphragm

8.0 Spare Parts

8.2 Ordering spare parts

8.3 Spare parts kits

9.0 Materials and pump coding

Material assembly groups

10.0 Category 1 and 2 equipment intended for use in potentially explosive environments

10.1 Equipment category 1

Specific requirements for Category 1 equipment in explosive environments.

10.1.1 Design, housing and materials

10.1.2 Usage instructions

Critical usage instructions for Category 1 equipment in Zone 0.

10.1.3 Equipotential bonding

10.1.5 Equipment category 1 accessories

10.2 Equipment category 2

10.3 Temperature information for category 1 and 2 equipment

10.3.2 Pumped medium temperature

10.4 Maintenance instructions for category 1 and 2 equipment

11.0 Tightening torques

Tightening torques series L, size 25-80

Tightening torques series DH-UE, size 25-50

Tightening torques series SF, size 25-50

Tightening torques series M, size 15

Tightening torques series M, size 25-80

Tightening torques series P, size 15-80

Tightening torques series PT, size 15-80

Tightening torques series P, Typ DH, size 50

Tightening torques series M, Type DH-FA;SA;SS Size 15

Tightening torques series M, Type DH-FA;SA;SS Size 25-80

Tightening torques series P, type DH-PT;-TL size 15-40

Tightening torques series P, Typ TP, TPL size 15-50

Tightening torques series P, type PM, size 15-40

Note on Declaration of Harmlessness

Declaration of Harmlessness

Depa DH25-FA Specifications

General

Model	DH25-FA
Category	Water Pump
Power Source	Electric
Frequency	50Hz
Outlet Diameter	1 inch
Inlet/Outlet Size	1 inch
Voltage	220V