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Depa
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DH25-FA
Depa DH25-FA User Manual
56 pages
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1
DEP
A
®
Air Operated Diaphra
gm Pumps
www.depapumps.com
www.cranecpe.com
Air Operated
Diaphragm Pumps
Operating and
Installation Instructions
Installation, Operation
and Maintenance
BA-DL-GB/
01.19
2
Table of Contents
Default Chapter
9
Table of Contents
9
Introduction
11
Warranty
11
Transport, Unpacking, Storage
11
Principle of Function
12
Functionality
13
Technical Data
14
Dimensions, Weights and Temperatures
14
Control Air
14
Air Quality
14
Particle Sizes, Suction Heads
14
2 Safety
16
General Information
16
Danger Sources
16
Permitted Operators
16
Intended Use
16
Unintended Use
17
Conversions and Alterations to the Pump
17
Symbols
17
Maintenance and Repair Work
17
Personal Protective Outfit
18
Safety Information for Work on Lines under Pressure
18
Safety During Storage
18
Noise Emissions
18
3 Installation
19
To be Considered before Commissioning
19
Design and Arrangement of Connecting Lines
19
Placement and Possible Installations of the Pump
20
Foundations
21
Connection of the Air Supply Line
21
Connection of Suction and Pressure Pipes
21
Pump in Suction Operation
21
Pump in Submerged Operation
21
Pump with Pre-Pressure
21
Pump on Drum
22
Equipotential Bonding / Earthing
22
Vibration Distance
22
Routing of Exhaust Air
22
Installation Instructions for Incomplete Machines
22
Operation
23
General
23
Switching on the Pump
23
Flow Control
24
Switching off the Pump
24
What to Do in Events of Emergency
24
Remote Operating Indicator
24
Diaphragm Monitoring - Conductive
24
Diaphragm Monitoring - Capacitive
24
Cleaning of Pumps for Food Applications (CIP-Clean in Place)
24
Diaphragm Break Sensors and Shut down in Case of Leaks
25
Pulsation Damping
25
Downtimes
25
Taking out of Service
25
Waste Disposal after Expiry of the Expected Service Life
25
5 Maintenance
26
Inspection Periods
26
Cleaning
26
Dismantling and Assembling
26
Series DL, DP, DZ, DF, DB, DH-PT/TL
26
Replacement of Diaphragms, Valve Seats and Valve Balls
26
Replacement of Elastomer Components
27
Replacement of PTFE Diaphragm
27
Replacement of the Internal Control Valve
29
Replacement of the External Q-Valve
30
Replacement of the External DEPA Airsave Valve (DL15/25/40)
30
Assembling and Disassembling the Pressure Booster (DB Series)
30
Series DH-FA/SA/SS
30
Replacement of Elastomer Components
30
Replacement of Diaphragms, Valve Seats and Valve Balls
31
Disassembly of the Control Block
31
Replacement of Internal Valve
31
Replacement of the Airsave Control Valve (M-Valve)
32
Assembling the Pump
32
Assembling New Clamp Bands
32
6 Troubleshooting
33
7 Active Pulsation Damper
35
Principle of Function
35
Recommended Installation Schematic
35
Pulsation Damper with Diaphragm Breakage Monitoring
36
Active Pulsation Damper with DEPA Nopped E4 Compound Diaphragm
36
8 Spare Parts
37
Spare Parts Storage
37
Ordering Spare Parts
37
Spare Parts Kits
37
9 Materials and Pump Coding
42
Appendix "Pump Weights in Kg
43
10 Category 1 and 2 Equipment Intended for Use in Potentially Explosive Environments
43
Equipment Category 1
43
Design, Housing and Materials
43
Usage Instructions
43
Equipotential Bonding
44
Vibration Distance
44
Equipment Category 1 Accessories
44
The Level Control
44
Equipment Category 2 (Not the Subject of Discussion)
44
Temperature Information for Category 1 and 2 Equipment
44
Surface Temperature
44
Pumped Medium Temperature
44
Ambient Temperatures
44
Maintenance Instructions for Category 1 and 2 Equipment
45
11 Tightening Torques
45
12 Information on the Declaration of no Objection if Goods Are Returned
52
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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
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