ProMinent Duodos 20 PPS Bedienungsanleitung

Duodos 20 PPS/PVT

Air-driven double diaphragm pump

Assembly and operating instructions

A2726

Original operating instructions (2006/42/EC)Part number: 981452 Version: BA DUO 015 05/20 EN

Please carefully read these operating instructions before use. · Do not discard.

The operator shall be liable for any damage caused by installation or operating errors.

The latest version of the operating instructions are available on our homepage.

In order to make it easier to read, this document uses the male

form in grammatical structures but with an implied neutral sense.

The document is always aimed equally at women, men and

gender-neutral persons. We kindly ask readers for their under‐

standing in this simplification of the text.

Please read the supplementary information in its entirety.

Information

This provides important information relating to the

correct operation of the unit or is intended to make

your work easier.

Warning information

Warning information includes detailed descriptions of the haz‐

ardous situation, see

Ä Chapter 2.1 ‘Labelling of Warning Informa‐

tion’ on page 6

The following symbols are used to highlight instructions, links, lists,

results and other elements in this document:

Tab. 1: More symbols

Symbol Description

Action, step by step.

⇨Outcome of an action.

Links to elements or sections of these instructions or other applicable documents.

nList without set order.

[Button]

Display element (e.g. indicators).

Operating element (e.g. button, switch).

‘Display/GUI’

Screen elements (e.g. buttons, assignment of function keys).

CODE Presentation of software elements and/or texts.

General non-discriminatory approach

Supplementary information

Supplemental directives

Table of contents

1 Function and identification.................................................... 4

1.1 Function........................................................................ 4

1.2 Nameplate and identification........................................ 5

2 Safety and responsibility....................................................... 6

2.1 Labelling of Warning Information.................................. 6

2.2 User qualification.......................................................... 8

2.3 Intended use................................................................. 8

2.4 General safety information on the Duodos................... 9

2.4.1 Safety information on the medium to be pumped

and the diaphragm..................................................... 9

2.4.2 Safety information on ambient conditions................ 10

3 Transport and storage......................................................... 11

3.1 Transport.................................................................... 11

3.2 Storage....................................................................... 11

4 Assembly of the pump........................................................ 12

4.1 Installation environment.............................................. 12

4.1.1 Fastening the double diaphragm pump................... 14

4.2 Outdoor installation..................................................... 14

4.3 Design of the suction side........................................... 14

4.4 Compressed air supply............................................... 15

5 Operation of the double diaphragm pump.......................... 16

6 Checking tightening torque prior to commissioning............ 17

7 Commissioning................................................................... 18

7.1 Pre-commissioning checks......................................... 18

7.2 Priming........................................................................ 19

7.3 Interruption to operation.............................................. 19

8 Troubleshooting and fault elimination................................. 20

9 Maintenance of the double diaphragm pump...................... 23

9.1 Maintenance of the diaphragm................................... 24

9.2 Maintenance of the slide rod....................................... 27

9.3 Maintenance of the ball valves................................... 28

10 Disposal of used parts........................................................ 31

11 Technical drawing............................................................... 32

11.1 Exploded drawing of the pump................................. 33

12 Spare parts......................................................................... 34

12.1 Repair set, air valve with sensor............................... 34

12.2 Repair set, diaphragm with valves............................ 35

13 Performance curves............................................................ 36

14 Technical data..................................................................... 37

15 Declaration of Conformity................................................... 38

16 Index................................................................................... 39

Table of contents

1 Function and identification

1.1 Function

A2984

Fig. 1: Duodos: Air-driven double diaphragm pump.

The Duodos is an air-driven double diaphragm pump.

The Duodos is run-dry safe and self-priming.

The pump capacity of the double diaphragm pump can be con‐

trolled by changing the pressure in the air supply. The air control is

designed for oil-free operation. The Duodos is suitable for the

transport of liquid chemicals (media).

The Duodos double diaphragm pump transports media up to a

delivery height of 7 metres. It is essential that you note the pump

characteristic curve

Ä Chapter 13 ‘Performance curves’

on page 36

, as the pump capacity is seriously dependent on the

back pressure.

Check the material tolerability when selecting your double dia‐

phragm pump. Also consider the density, viscosity, solids content

and temperature of the medium being pumped.

Tab. 2: Permissible values for the medium

Design Temperature of the medium

PP version (PPS): 10 ... 80 °C

PVDF version (PVT): -13 ... 93 °C

Viscosity of the medium: max. 200 mPas

Solids: < 2 mm

Function and identification

1.2 Nameplate and identification

A2980

Fig. 2: Nameplate 1

1 Check number

2 CE mark

3 Designation of origin

4 Serial number

5 Month and year of manufacture

6 Order number

7 Model designation (type)

8 Place and country of manufacture

9 Manufacturer

A2981

www.prominent.com

Int: 1/4“ BSP(F) - Ext.: 3/4“NPT

FLUID IN / OUT:

MAX. FLUID PRESS.: 7 bar / 100 psi

AIR PRESSURE 1.5-7 bar

Fig. 3: Nameplate 2

1 Manufacturer’s website

2 Permissible air pressure

3 Maximum feed pressure

4 Liquid inlet and outlet

5 Dimensions/ thread,

[INT]

= input /

[Ext.]

= output

Type Pump capacity Seals Slide rod Part no.

Duodos 20 PPS 0 ... 20 l/min EPDM Corrosion-proof steel 1103381

Duodos 20 PVT 0 ... 20 l/min PTFE Hastelloy® C 1103378

Type Housing Diaphragm Valve balls Valve seats Part no.

Duodos 20 PPS PP Santoprene®PTFE Corrosion-proof

steel

1103381

Duodos 20 PVT PVDF PTFE PTFE PVDF 1103378

Nameplate

Identification and material

Function and identification

2 Safety and responsibility

2.1 Labelling of Warning Information

These operating instructions provide information on the technical

data and functions of the product. These operating instructions pro‐

vide detailed warning information and are provided as clear step-

by-step instructions.

The warning information and notes are categorised according to

the following scheme. A number of different symbols are used to

denote different situations. The symbols shown here serve only as

examples.

DANGER!

Nature and source of the danger

Consequence: Fatal or very serious injuries.

Measure to be taken to avoid this danger.

Description of hazard

– Denotes an immediate threatening danger. If

the situation is disregarded, it will result in fatal

or very serious injuries.

WARNING!

Nature and source of the danger

Possible consequence: Fatal or very serious inju‐

ries.

Measure to be taken to avoid this danger.

– Denotes a possibly hazardous situation. If the

situation is disregarded, it could result in fatal

or very serious injuries.

CAUTION!

Nature and source of the danger

Possible consequence: Slight or minor injuries.

Material damage.

Measure to be taken to avoid this danger.

– Denotes a possibly hazardous situation. If the

situation is disregarded, it could result in slight

or minor injuries. May also be used as a

warning about material damage.

NOTICE!

Nature and source of the danger

Damage to the product or its surroundings.

Measure to be taken to avoid this danger.

– Denotes a possibly damaging situation. If the

situation is disregarded, the product or an

object in its vicinity could be damaged.

Introduction

Safety and responsibility

Type of information

Hints on use and additional information.

Source of the information. Additional measures.

–

Denotes hints on use and other useful informa‐

tion. It does not indicate a hazardous or dam‐

aging situation.

Safety and responsibility

2.2 User qualification

WARNING!

Danger of injury with inadequately qualified per‐

sonnel

The operator of the system / equipment is respon‐

sible for ensuring that the qualifications are ful‐

filled.

If inadequately qualified personnel work on the unit

or loiter in the hazard zone of the unit, this could

result in dangers that could cause serious injuries

and material damage.

– All work on the unit should therefore only be

conducted by qualified personnel.

– Unqualified personnel should be kept away

from the hazard zone.

The pertinent accident prevention regulations, as

well as all other generally acknowledged safety

regulations, must be adhered to.

Training Definition

Instructed personnel An instructed person is deemed to be a person who has been instructed and,

if required, trained in the tasks assigned to him and possible dangers that

could result from improper behaviour, as well as having been instructed in the

required protective equipment and protective measures.

Trained user A trained user is a person who fulfils the requirements made of an instructed

person and who has also received additional training specific to the system

from the manufacturer or another authorised distribution partner.

Trained, qualified per‐

sonnel

A trained, qualified employee is deemed to be a person who is able to assess

the tasks assigned to him and recognize possible hazards based on his

training, knowledge and experience, as well as knowledge of pertinent regula‐

tions. A trained, qualified employee must be able to perform the tasks

assigned to him independently with the assistance of drawing documentation

and parts lists. The assessment of a person's technical training can also be

based on several years of work in the relevant field.

Electrical technician An electrical technician is able to complete work on electrical systems and rec‐

ognise and avoid possible dangers independently based on his technical

training and experience as well as knowledge of pertinent standards and regu‐

lations. An electrical technician must be able to perform the tasks assigned to

him independently with the assistance of drawing documentation, parts lists,

terminal and circuit diagrams. The electrical technician must be specifically

trained for the working environment in which the electrical technician is

employed and be conversant with the relevant standards and regulations.

Service The Service department refers to service technicians, who have received

proven training and have been authorised by the manufacturer to work on the

system.

2.3 Intended use

Correct and proper use:

nThe pump is intended for the transport of liquids.

nOnly use the pump in accordance with the technical data and

specifications set out in these operating instructions.

Safety and responsibility

2.4 General safety information on the Duodos

2.4.1 Safety information on the medium to be pumped and the diaphragm

Please ensure when handling hazardous substances that you have

read the latest material safety data sheets provided by the manu‐

facturer of the hazardous substances. The measures required are

described in the material safety data sheet. Check the material

safety data sheet regularly and replace, if necessary, as the hazard

potential of a substance can be re-evaluated at any time based on

new findings.

The system operator is responsible for ensuring that the material

safety data sheets are available and that they are kept up to date,

as well as for producing an associated hazard assessment for the

workplaces affected.

The service life of the diaphragm cannot be precisely specified.

You therefore need to assume that the diaphragm will rupture and

that liquid will then escape.

You should also prevent particles of the faulty diaphragm entering

the medium being pumped. You can prevent contamination,

for example by filtration, installation of a hose rupture indicator or

other measures appropriate for the respective process.

In the event of a diaphragm rupture, the pumped medium can enter

the air system of the double diaphragm pump and from there into

the atmosphere. If the feed chemical is a dangerous, harmful or

toxic substance, the air outlet must be routed to a suitable area

where safe disposal is possible.

Danger from hazardous substances!

Fig. 4: Handling hazardous sub‐

stances

Service life of the diaphragm

A2992

Fig. 5: The service life of the dia‐

phragm

In the event of a diaphragm rupture

Safety and responsibility

2.4.2 Safety information on ambient conditions

Before working on the double diaphragm pump, check whether it is

necessary to close the compressed air lines and vent the double

diaphragm pump.

Before undertaking any maintenance and repair work, close off the

compressed air supply, discharge the compressed air and detach

the air supply line from the double diaphragm pump. These meas‐

ures depend on the configuration of your compressed air supply.

The line to the discharge side of the double diaphragm pump may

be under pressure and must likewise be vented if required.

The pump can also become hot when conveying hot liquids. There

can then be hot surfaces on the pump. Bear this in mind and take

suitable measures to reduce any hazards.

Depending on the operating conditions, the maximum sound pres‐

sure level of the device can reach 88 dB ± 3 dB. Bear this in mind

and take appropriate measures to reduce any impact caused by

this sound pressure level. The type and implementation of suitable

measures depends on the local circumstances and is the responsi‐

bility of the system operator.

nTake suitable measures to protect the device from environ‐

mental influences when operating outside such as:

– UV radiation

– Humidity

– Frost, etc.

Check that all fastening elements with sealing rings are correctly

seated before commissioning the double diaphragm pump. The

seals may “creep” so that the fastening elements may come loose

over time.

Fig. 6: Ambient conditions

Compressed air

Hot surfaces

Maximum pump sound pressure level

91 dB

Operation in the open air and out‐

doors

Check the fastening elements are cor‐

rectly seated

Safety and responsibility

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