Watson-Marlow 701RA Bedienungsanleitung

Watson-Marlow

701 ATEX Pumphead

User Manual

m-701atex-04:PB0348/ 4

Watson-Marlow 701 ATEX Pumphead User Manual

PB0348:m-701atex-en-04 1

1 Declaration of conformity 3

2 Introduction 4

3 Pumphead types 5

3.1 701RA Pumphead description 5

4 Warranty 6

5 Information for returning pumps 7

6 Safety notes 7

7 Potential pump hazards 9

8 Pumphead assembly and installation 10

8.1 Installation 10

8.2 Assembly 12

8.3 Pump installation 15

9 Pumphead specification 16

10 Operating parameters 17

11 Tube life 18

12 Special conditions of use for safe operation - Tube materials suitable for use with

this equipment 19

12.1 Permissible continuous tube sizes for IIB rating 20

12.2 Permissible LoadSure Elements for IIB rating 21

13 General operation 22

14 701REA/REXA LoadSure tube element loading 23

15 701RA/RXA Continuous Tube Loading 25

16 Maintenance 27

16.1 Track replacement 27

17 Materials of construction 29

18 Summary of modifications 30

19 ATEX marking 30

19.1 Key 30

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20 Dimensions 31

21 Replacements 31

22 Performance data 32

22.1 Pumping conditions 32

23 Patient-connected use—warning 32

24 Disclaimers 33

Original instructions

The original instructions for this manual have been written in English. Other language versions of this

manual are a translation of the original instructions

1 Declaration of conformity

Watson-Marlow Limited

Falmouth

Cornwall

TR11 4RU

England

1. 700 Series, ATEX compliant, configured peristaltic pumpheads.

2. Manufacturer:

Watson Marlow Ltd

Bickland Water Road

Falmouth

TR11 4RU

3. This declaration of conformity is issued underthe sole responsibility of the manufacturer.

4. 701 (RA, REA, RXA, REXA and RGA variants) ATEX close-coupled pumpheads

5. The object of the declaration described above isin conformity with the relevant Union harmonisation

legislation: ATEX Directive 2014/34/EU

II 2G Ex h IIB T4 Gb X

This declaration applies to the pump when using the Watson-Marlow tubing stated within the pumphead manual and in

accordance with the operating instructions provided in the manual. The use of any other tubing material in the pump

would invalidate this declaration.

6. Harmonised standards used:

EN 80079-36:2016

EN 80079-37:2016

7. Notified body, SGS Fimko Oy (CE0598), P.OBox 30 FI-00211, Helsinki, Finland, holds a copy of the technical

reference file “ATEX-WM”, containing full details of the conformity assessment procedure.

Signed for and behalf of:

Watson Marlow Ltd

Falmouth, 31 October 2019

Simon Nicholson, Managing Director, Watson-Marlow Limited

Watson-Marlow Fluid Technology Group Telephone +44 (0) 1326 370370

A Spirax-Sarco Engineering plc company

EU declaration of conformity

PB0348:m-701atex-en-04 3

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4 PB0348:m-701atex-en-04

2 Introduction

Directive 2014/34/EU, commonly known as the ATEX directive, carries obligations to the person who

places equipment on the market, in the EU territory, for use in potentially explosive environments.

All of Watson-Marlow’s ATEX pumps have been rated as II 2G Ex h IIB T4 Gb X under the definitions of

2014/34/EU:

lEquipment group II

lEquipment category 2

lEnvironment G

lMechanical protection concepts EX h

lGas group IIB

lTemperature class T4

lEquipment protection level Gb

lSpecial operating restrictions X (see section 12 "Special conditions of use for safe operation - Tube

materials suitable for use with this equipment" on page19)

"Equipment category 2 comprises equipment designed to be capable of functioning in conformity with

the operational parameters established by the manufacturer and of ensuring a high level of protection.

Equipment in this category is intended for use in areas in which explosive atmospheres caused by gases,

vapours, mists or air/dust mixtures are likely to occur occasionally. The means of protection relating to

equipment in this category ensure the requisite level of protection, even in the event of frequently

occurring disturbances or equipment faults which normally have to be taken into account."

Watson-Marlow pumps must not be used in the underground parts of mines, and in surface

installations of such mines, likely to become endangered by firedamp and/or combustible

dust.

As stated in the Directive, where two or more items of ATEX equipment are combined, the complete

assembly shallcarry the same rating as the lowest ranking individual piece of equipment.

All Watson-Marlow ATEX pumps covered by this manual are intended for use in gas based environments

only.

If you are unsure about the meaning of this ATEXrating see section 19 "ATEX marking" on page30 or

contact your Watson-Marlow representative for advice. Watson-Marlow representatives can advise which

rating and approvals products carry, but cannot evaluate nor recommend which product may be

suitable for use in an end users hazardous installation. Only the end user or their qualified representative

can confirm the ATEX rating of the equipment meetsthe requirements of their installation.

DANGER! - EXPLOSIONHAZARD

Incorrectly selected ATEX equipment can cause fire or explosion.

3 Pumphead types

The following 700 series pumpheads are covered by this manual:

701 ATEX Pumpheads

701RA 073.0101.A00 Four Roller ATEX Pumphead for 4.8mm wall continuous

tubing

701REA 073.0104.A00 Four Roller ATEX Pumphead for Loadsure tubing

Elements only

701RXA 073.0111.A00 Four Roller ATEX Extension Pumphead for 4.8mm wall

continuous tubing

701REXA 073.0114.A00 Four Roller ATEX Extension Pumphead for Loadsure

tubing Elements only

701RGA 073.0121.A0G Four Roller ATEX Pumphead for 4.8mm GORE® STA-

PURE® Pump Tubing

* NB: these pumpheads are compatible with a number of Watson-Marlow cased drives. However, the

Watson-Marlow cased drives are not ATEX compliant and must not be used in hazardous locations.

Any 700 series pumpheads not listed here are NOT suitable for use in hazardous

environments (at date of issue).

3.1 701RA Pumphead description

The 701 ATEX pumpheads use the peristaltic principle by employing 4 occluding rollers assembled as a

rotor, which occludes a specially designed tube and provides fluid flow by positive displacement as it

rotates.

The pumphead is largely of coated metal construction with metal shafts for the occluding rollers. The

occluding rollers are driven by a gear within the pumphead and are of nylon construction. The rotation

of the occluding rollers is allowed using roller bearings. Materials of construction are detailed in this

manual.

The pumphead is designed to be direct mounted or close coupled onto a suitable motor gearbox using

the instructions detailed in this manual.

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4 Warranty

Watson-Marlow Ltd ("Watson-Marlow") warrants this product to be free from defects in materials and workmanship for

one year from the date of shipment, under normal use and service.

Watson-Marlow's sole responsibility and the customer's exclusive remedy for any claim arising out of the purchase of

any product from Watson-Marlow is, at Watson-Marlow's option: repair, replacement or credit, where applicable.

Unless otherwise agreed in writing, the foregoing warranty is limited to the country in which the product is sold.

No employee, agent or representative of Watson-Marlow has the authority to bind Watson-Marlow to any warranty

other than the foregoing unless in writing and signed by a director of Watson-Marlow. Watson- Marlow makes no

warranty of the fitness of its products for a particular purpose.

In no event:

i. shall the cost of the customer's exclusive remedy exceed the purchase price of the product;

ii. shall Watson- Marlow be liable for any special, indirect, incidental, consequential, or exemplary damages,

however arising, even if Watson-Marlow has been advised of the possibility of such damages.

Watson-Marlow shall not be liable for any loss, damage, or expense directly or indirectly related to or arising out of the

use of its products, including damage or injury caused to other products, machinery, buildings, or property. Watson-

Marlow shall not be liable for consequential damages, including without limitation, lost profits, loss of time,

inconvenience, loss of product pumped, and loss of production.

This warranty does not obligate Watson- Marlow to bear any costs of removal, installation, transportation, or other

charges which may arise in connection with a warranty claim.

Watson-Marlow shall not be responsible for shipping damage of returned items.

Conditions

oProducts must be returned by pre-arrangement to Watson-Marlow, or a Watson-Marlow approved service centre.

oAll repairs or modifications must have been made by Watson-Marlow Ltd, or a Watson-Marlow approved service

centre or with the express permission in writing of Watson-Marlow, signed by a manager or director of Watson-

Marlow.

oAny remote control or system connections must be made in accordance to Watson-Marlow recommendations.

oAll PROFIBUS systems must be installed or certified by a PROFIBUS approved installation engineer.

Exceptions

lConsumable items including tubing and pumping elements are excluded.

lPumphead rollers are excluded.

lRepairs or service necessitated by normal wear and tear or by lack of reasonable and proper maintenance are

excluded.

lProducts which, in the judgement of Watson- Marlow, have been abused, misused, or subject to malicious or

accidental damage or neglect are excluded.

lFailure caused by electrical surge is excluded.

lFailure caused by incorrect or sub-standard system wiring is excluded.

lDamage by chemical attack is excluded.

lAncillaries such as leak detectors are excluded.

lFailure caused by UV light or direct sunlight.

lAny attempt to disassemble a Watson-Marlow product will invalidate the product warranty.

Watson-Marlow reserves the right to amend these terms and conditions at any time.

5 Information for returning pumps

Before returning products, they must be thoroughly cleaned/decontaminated. The declaration

confirming this should be completed and returned to us in advance of the item being shipped.

You are required to complete and return a decontamination declaration stating all fluids that have been

in contact with the equipment being returned to us.

On receipt of the declaration, we will issue a Returns Authorisation Number. We reserve the right to

quarantine or refuse any equipment that is not displaying a Returns Authorisation Number.

Please complete a separate decontamination declaration for each product and use the correct form that

denotes the location you wish to return the equipment to.

A copy of the appropriate decontamination declaration can be downloaded from the Watson-Marlow

website at www.wmftg.com/decon

If you have any queries then please contact your local Watson-Marlow representative for further

assistance at www.wmftg.com/contact.

6 Safety notes

This safety information should be used in conjunction with the rest of this operating manual.

In the interests of safety, this pumphead should only be used by competent, suitably trained personnel

after they have read and understood the manual and considered any hazard involved. If the pump is

used in a manner not specified by Watson-Marlow Ltd, the protection provided by the pump may be

impaired. Any person who is involved in the installation or maintenance of this equipment should be

fully competent to carry out the work. In the UK this person should also be familiar with the Health and

Safety at Work Act 1974.

This symbol, used on the pump and in the manual, means: Caution,

refer to accompanying documents.

This symbol, used on the pump and in the manual, means: Do not

allow fingers to contact moving parts.

This symbol, used on the pump and in the manual, means: Caution,

hot surface.

This symbol, used on the pump and in the manual, means: Personal

Protective Equipment (PPE) must be worn.

This pump must be used only for its intended purpose.

PB0348:m-701atex-en-04 7

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The pump must be accessible at all times to facilitate operation and maintenance. Access points must not

be obstructed or blocked.

If hazardous fluids are to be pumped, safety procedures specific to

the particular fluid and application must be put in place to protect

against injury to persons.

Ensure the chemicals to be pumped are compatible with the

pumphead, lubricant (where applicable), tubing, pipework and

fittings to be used with the pump. Please refer to the chemical

compatibility guide which can be found at: www.wmftg.com/chemical.

If you need to use the pump with any other chemical please contact

Watson-Marlow to confirm compatibility.

Explosion hazard. Failure to comply may cause severe or even fatal

injuries.

All work, e.g. transportation, storage, installation, connection,

commissioning, servicing and maintenance must be performed in a

non-explosive atmosphere.

Always check to ensure that an Exd motor gearbox is suitably rated for

the hazardous zone area in which it is to be used, including ATEX, Ex

and any other hazardous area legislation for the country in which it is

being installed. Exd motors should only be installed by Exd qualified

personnel.

Primary operator protection from rotating parts of the pump is

provided by the pumphead guard. Note that pumphead guards differ,

depending on the type of pumphead.

There are moving parts inside the pumphead. Before opening the

pumphead guard, ensure that the following safety directions are

followed:

1. Ensure that any motor drive connected to the pumphead is

isolated from any electrical or compressed air supply.

2. Ensure that there is no pressure in the pipeline

3. If a tube failure has occurred, ensure that any fluid in the

pumphead has been allowed to drain to a suitable vessel,

container or drain

4. Ensure the pumphead is isolated from the fluid supply

5. Ensure that appropriate Personal Protective Equipment (PPE) is

worn

7 Potential pump hazards

As part of the requirements of ATEX Directive 2014/34/EU all potential hazards, including expected

malfunctions, have been identified and subjected to a risk assessment. In order to prevent these ignition

sources becoming hazardous, a number of changes have been implemented. In addition to

engineering modifications, the changes include comments in these instructions in order to specify

correct usage in hazardous locations.

Recognised ignition sources of the pumphead

Surface temperatures of rollers and spindles

Tube burst and subsequent spilling of pumped fluid

Mechanical failure of rotor hub

Exothermic chemical reaction

Electrostatic discharge

Bearing failure

Spring failure

PB0348:m-701atex-en-04 9

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