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II 2 G c IIB T4
Larius 4
Transfer
INSTRUCTION MANUAL
Ediz. 002 - 06/2019
LARIUS 4
Due to a constant product improvement programme, the factory reserves the right to modify
technical details mentioned in this manual without prior notice.
This manual is to be considered as an English language translation of the original manual in Italian.
The manufacturer shall bear no responsibility for any damages or inconveniences that may arise
due to the incorrect translation of the instructions contained within the original manual in Italian.
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Edit. 002 - 06/2019
INDEX ................................................................. P. 3
WARNINGS ........................................................P. 5
WORKING PRINCIPLE ....................................... p. 6
A
TECHNICAL DATA ............................................. p. 6
B
DESCRIPTION OF THE EQUIPMENT ................ p. 8
C
IDENTIFICATION ................................................ p. 8
D
TRANSPORT AND UNPACKING ........................ p. 8
E
SAFETY RULES .................................................. p. 9
F
CONDITIONS OF GUARANTEE ......................... p.10
SETTING-UP ...................................................... p.10
G
INSTALLATION ................................................... p.10
•
WASHING OF THE BRAND NEW EQUIPMENT
•
SUCTION AND DELIVERY HOSES CONNECTION
•
CONNECTION TO THE REED AIR
• POSITIONING DIAGRAM ................................ p.11
• TUNING ........................................................... p.11
....................... p.10
TRANSFER
H
I
J
K
L
M
..... p.10
.. p.10
LARIUS 4
WORKING .......................................................... p.11
EMERGENCY STOP ........................................... p.11
PROBLEMS AND SOLUTION ............................ p.12
SPARE PARTS
EXPLODED PNEUMATIC MOTOR UNIT VIEW .. p.14
MARKINGS ......................................................... p.16
SAFETY INSTRUCTIONS FOR
INSTALLATION IN HAZARDOUS AREAS ........... p.17
EXAMPLE OF INSTALLATION ............................ p.10
Edit. 002 - 06/2019
WE ADVISE THE USE OF THIS EQUIPMENT ONLY BY PROFESSIONAL OPERATORS.
ONLY USE THIS MACHINE FOR USAGE SPECIFICALLY MENTIONED IN THIS MANUAL.
Thank you for choosing a LARIUS S.R.L. product. As well as the product
purchased, you will receive a range of support services
enabling you to achieve
the results desired, quickly and professionally.
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3
LARIUS 4
White page
intentionally
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4
Edit. 002 - 06/2019
LARIUS 4
WARNINGS
Read this operator’s manual carefully before using the equipment.
An improper use of this machine can cause injuries to people or things.
Do not use this machine when under the inuence of drugs or alcohol.
Do not modify the equipment under any circumstances.
Use products and solvents that are compatible with the various parts of the equipment, and read the manufacturer’s warnings carefully.
See the Technical Details for the equipment given in the Manual.
Check the equipment for worn parts once a day. If any worn parts are found, replace them using ONLY original spare parts.
Keep children and animals away from work area.
Comply with all safety standards.
It indicates an accident risk or serious damage to equipment if this warning is not followed.
It indicates a re or explosion risk if this warning is not followed.
Eliminate all ignition sources such as pilot lights, cigarettes, portable electric lamps and plastic drop cloths.
Keep work area free of debris.
ONLY use this equipment in a well ventilated area.
EARTH ALL THE EQUIPMENT LOCATED IN THE WORK AREA.
Do not form connections or switch light switches on or off if the air contains inammable fumes.
If electrical shocks or discharges are encountered the operation being carried out using the equipment must be stopped immediately.
Keep a re extinguisher at hand in the immediate vicinity of the work area.
The table below provides the meaning of the symbols used in this manual in relation to using, earthing,
operating, maintaining, and repairing of this equipment.
It indicates wound and finger squashing risk due to movable parts in the equipment.
Tenersi lontano dalle parti in movimento.
Do not use the equipment without the proper protection.
Before any inspection or maintenance of the equipment, carry out the decompression procedure explained in this manual, and prevent
any risk of the equipment starting unexpectedly.
Report any risk of chemical reaction or explosion if this warning has not been given.
There is a risk of injury or serious lesion related to contact with the jet from the spray gun. If this should occur, IMMEDIATELY contact
a doctor, indicating the type of product injected.
Do not spray before the guard has been placed over the nozzle and the trigger on the spray gun.
Do not put your ngers in the spray gun nozzle.
Once work has been completed, before carrying out any maintenance, complete the decompression procedure explained in this manual.
It indicates important recommendations about disposal and recycling process of products in accordance with the environmental
regulations.
Report any danger of electric shock if the warning and presence of live electrical parts has not been indicated.
Store in a dry place and do not expose to the rain.
Check that the cables are in good condition.
Switch off the equipment and discharge any electricity before cleaning or maintaining the equipment.
Mark any clamps attached to earth cables.
Use ONLY 3-wire extension cords and grounded electrical outlets.
Before starting work make sure that the electrical system is earthed and that it complies with safety standards.
It is obligatory to wear suitable clothing as gloves, goggles and face shield.
Wear clothing that complies with the safety standards in force in the country in which the equipment is used.
Do not wear bracelets, earrings, rings, chains, or anything else that may hinder the operator’s work.
Do not wear clothing with wide sleeves, scarves, ties, or any other piece of clothing that could get tangled up in moving parts of the
equipment during the work, inspection, or maintenance cycles.
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5
LARIUS 4
A
WORKING PRINCIPLE
Pneumatic double membrane pumps for industrial pumping of
liquids and highly corrosive and aggressive acids.
Characterised by their high performance, high power and sturdiness, which make them suitable for pumping liquids with high
viscosity, including in the presence of suspended solids. They
meet the working needs of the chemical, textile, food, ecological, graphics, tanning, ceramics, electronics, galvanic, oil, paint,
biodiesel, urea pumping and other industries
TECHNICAL DATA
B
The compressed air introduced by the pneumatic exchanger
behind one of the two diaphragms generates compression and
pushes the product into the delivery duct, at the same time, the
opposing diaphragm that is integral with the exchanger shaft
creates a vacuum and intakes the fluid.
Once the stroke has been completed, the pneumatic exchanger diverts the
compressed air behind the opposing diaphragm and the cycle is reversed.
LARIUS 4
MAXIMUM PRESSURE OF THE PRODUCT
PUMP FEED AIR PRESSURE
*FEED AIR INLET
MAXIMUM DELIVERY
MATERIAL INPUT
8 bar (115 psi)
2-8 bar (30-115 psi)
1/4" GAS (F)
40 l/min
1” GAS (M)
MATERIAL EXIT
MAXIMUM AIR CONSUMPTION
NOISE PRESSURE LEVEL
wEIgHT
*N.B. The pump is supplied with a bayonet connection.
Parts of the pump in contact with the material
In the standard model in Aluminium (code 8000) the parts are
made of:
Aluminium AISI 12 UNI 5076 - Teon - Galvanized steel - Stainless
steel AISI 316 and AISI 303 - Teon
In the Stainless steel model (code 8132) they are made of: Stainless steel AISI 316 and AISI 303 - Teon
OTHER PARTS OF THE PUMP
Pump body: ALUMINIUM
Supporting bracket: GALVANIZED STEEL
1” GAS (M)
190 l/min (6,7 cfm)
<75 dB (A)
9 kg
Always observe these instructions carefully when evaluating the product compatibility and in case of disposal of some
parts of the pump no more usable, in order
to meet the environmental regulations on
recycling process.
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LARIUS 4
LARIUS
OUT
IN
163÷170
A
10
103
206
215
Pump
Alluminium
Stainless steel
N. Code
8300
8301
A
320
390
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7
LARIUS 4
DESCRIPTION
C
OF THE EQUIPMENT
The LARIUS 4 pump is a double diahragm pneumatic pump to be used for transfer of low and medium
viscosity uids.
It is essentially composed of two chambers which are
placed on suctio and on delivery alternatively thanks to
the action of two membranes in teon connected to a
shaft in reciprocating traverse motion. The reciprocating
motion is obtained through a proper compressed air
driver reversal device (pilot valve).
1
2
3
4
5
IDENTIFICATION
D
For communications with LARIUS, always refer to the machine
model contained on the identification plate.
MADE IN ITALY
WWW.LARIUS.EU
MODEL
SERIAL NUMBER
YEAR
OF COSTRUCTION
6
7
POS.
1
2
3
4
5
6
7
Description
Pump feed air pressure regulator
Pump feed air manometer
Air closing cock
Pump feed air inlet
Pump fastening and supporting bracket
Material inlet fitting
Material outlet filling
TRANSPORT AND UNPACKING
E
• The packed parts should be handled as indicated in the
symbols and markings on the outside of the packing.
• Before installing the equipment, ensure that the area to
be used is large enough for such purposes, is properly
lit and has a clean, smooth oor surface.
• The user is responsible for the operations of unloading
and handling and should use the maximum care so as
not to damage the individual parts or injure anyone.
To perform the unloading operation, use only qualied
and trained personnel (truck and crane operators, etc.)
and also suitable hoisting equipment for the weight of
the installation or its parts.
Follow carefully all the safety rules.
The personnel must be equipped with the necessary
safety clothing.
• The manufacturer will not be responsible for the unlo-
ading operations and transport to the workplace of the
machine.
• Check the packing is undamaged on receipt of the equi-
pment. Unpack the machine and verify if there has been
any damage due to transportation.
In case of damage, call immediately LARIUS and the
Shipping Agent. All the notices about possible damage
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LARIUS 4
or anomalies must arrive timely within 8 days at least
from the date of receipt of the plant through Registered
Letter to the Shipping Agent and to LARIUS.
• The disposal of packaging materials is a customer’s
competence and must be performed in accordance with
the regulations in force in the country where the plant is
installed and used.It is nevertheless sound practice to
recycle packaging materials in an environment-friendly
manner as much as possible.
F
SAFETY RULES
• THE EMPLOYER SHALL TRAIN ITS EMPLOYEES
ABOUT ALL THOSE RISKS STEMMING FROM ACCI
DENTS, ABOUT THE USE OF SAFETY DEVICES FOR
THEIR OWN SAFETY AND ABOUT THE GENERAL
RULES FOR ACCIDENT PREVENTION IN COMPLIAN
CE WITH INTERNATIONAL REGULATIONS AND WITH
THE LAWS OF THE COUNTRY WHERE THE PLANT
IS USED.
• THE BEHAVIOUR OF THE EMPLOYEES SHALL STRICTLY
COMPLY WITH THE ACCIDENT PREVENTION AND ALSO
ENVIRONMENTAL REGULATIONS IN FORCE IN THE COUNTRY WHERE THE PLANT IS INSTALLED AND USED.
Read carefully and entirely the following
instructions before using the product.
Please save these instructions in a safe
place.
The unauthorised tampering/replacement of
one or more parts composing the machine,
the use of accessories, tools, expendable
materials other than those recommended
by the manufacturer can be a danger of accident.
The manufacturer will be relieved from tort and criminal
liability.
•• KEEP YOUR WORK PLACE CLEAN AND TIDY. DISORDER
WHERE YOU ARE WORKING CREATES A POTENTIAL RISK
OF ACCIDENTS.
• ALWAYS KEEP PROPER BALANCE AVOIDING UNUSUAL
STANCE.
• BEFORE USING THE TOOL, ENSURE THERE ARE NOT
DAMAGED PARTS AND THE MACHINE CAN WORK PROPERLY.
• ALWAYS FOLLOW THE INSTRUCTIONS ABOUT SAFETY
AND THE REGULATIONS IN FORCE.
• KEEP THOSE WHO ARE NOT RESPONSIBLE FOR THE
EQUIPMENT OUT OF THE WORK AREA.
• NEVER EXCEED THE MAXIMUM WORKING PRESSURE
INDICATED.
• NEVER POINT THE SPRAY GUN AT YOURSELVES OR AT
OTHER PEOPLE. THE CONTACT WITH THE CASTING CAN
CAUSE SERIOUS INJURIES.
• IN CASE OF INJURIES CAUSED BY THE GUN CASTING,
SEEK IMMEDIATE MEDICAL ADVICE SPECIFYING THE
TYPE OF THE PRODUCT INJECTED. NEVER UNDERVALUE
A WOUND CAUSED BY THE INJECTION OF A FLUID.
• ALWAYS DISCONNECT THE SUPPLY AND RELEASE THE
PRESSURE IN THE CIRCUIT BEFORE PERFORMING
ANY CHECK OR PART REPLACEMENT OF THE EQUIPMENT.
• NEVER MODIFY ANY PART IN THE EQUIPMENT. CHECK
REGULARLY THE COMPONENTS OF THE SYSTEM.
REPLACE THE PARTS DAMAGED OR WORN.
TIGHTEN AND CHECK ALL THE FITTINGS FOR
•
CONNECTION BETWEEN PUMP, FLEXIBLE HOSE
AND SPRAY GUN BEFORE USING THE EQUIPMENT.
• ALWAYS USE THE FLEXIBLE HOSE SUPPLIED WITH
STANDARD KIT.
• THE USE OF ANY ACCESSORIES OR TOOLING OTHER
THAN THOSE RECOMMENDED IN THIS MANUAL, MAY
CAUSE DAMAGE OR INJURE THE OPERATOR.
• THE FLUID CONTAINED IN THE FLEXIBLE HOSE CAN BE
VERY DANGEROUS. HANDLE THE FLEXIBLE HOSE CAREFULLY. DO NOT PULL THE FLEXIBLE HOSE TO MOVE THE
EQUIPMENT. NEVER USE A DAMAGED OR A REPAIRED
FLEXIBLE HOSE.
• NEVER SPRAY OVER FLAMMABLE PRODUCTS OR SOLVENTS IN CLOSED PLACES.
• NEVER USE THE TOOLING IN PRESENCE OF POTENTIALLY
EXPLOSIVE GAS.
flexible hose.
All the conductors near the work area must be earthed.
paints or solvents containing Halogen Hydrocarbons (as the
Methylene Chloride). If these products come into contact with
aluminium parts can provoke dangerous chemical reactions
with risk of corrosion and explosion.
The high speed of travel of the product in
the hose can create static electricity through
discharges and sparks. It is suggested to earth
the equipment. The pump is earthed through
the earth cable of the supply.
The gun is earthed through the high pressure
Always check that the product is compatible
with the materials composing the equipment
(pump, spray gun, flexible hose and accessories) with
which it can come into contact. Never use
Avoid approaching too much to the pump piston rod when the pump is working or under
pressure. A sudden movement of the piston rod
can cause wounds or finger squashing.
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LARIUS 4
SUCTION AND DELIVERY HOSES CONNECTION
• Connect the suction and delivery hoses to the
IF THE PRODUCT TO BE USED IS TOXIC, AVOID INHALATION
AND CONTACT BY USING PROTECTION GLOVES, GOGGLES
AND PROPER FACE SHIELDS.
TAKE PROPER SAFETY MEASURES FOR THE PROTECTION OF
HEARING IN CASE OF WORK NEAR THE PLANT.
• Make sure the hoses are not too heavy for the
CONDITIONS OF GUARANTEE
pump it is suggested to tighten the llings.
pump structure
OUT
product
The conditions of guarantee do not apply in the
following situations:
- improper washing and cleaning of components
causing malfunction, wear or damage to the
equipment or any of its parts;
- improper use of the equipment;
- use that does not conform with applicable national legislation;
- incorrect or faulty installation;
- modifications, interventions and maintenance that
have not been authorised by the manufacturer;
- use of non-original spare parts or parts that do
not correspond to the specific model;
- total or partial non-compliance with the instructions provided.
SETTING-UP
G
INSTALLATION
WASHING OF THE BRAND NEW EQUIPMENT
IN
product
FILTER
CONNECTION TO THE REED AIR
• For pump feed use a hose with a internal diameter
no lower than 6 mm.
AIR INPUT
• The LARIUS 4 pump has been tested at our plant
with light mineral oil left inside of the pumping
elementi ad protection. Before sucking the product, carry out a washing using a diluent.
• The suction hose diameter must be proper to
the viscosity of the uid to be pumped. The
installation of a ler at the end of the suction
hose is recommended
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LARIUS 4
POSITIONING DIAGRAM
Fix the pump on a base by using the supporting brackets holes.
NEVER INSTALL the pump upside-down or
inclined
SI
LARIUS
NO
LARIUS
WORKING
H
Check all the connection fittings of the components (pump. flexble hose, etc.) before using
the equipment.
• Dip the suction hose into the tank of the product.
• Let compressed air flow to the pump. Adjust air pressure
to the minimum level necessary to the working of the pump
continually
• The pump will start and sto when all the product chamber
will be full. Each time the delivery valve is open, the pump
will start again to work.
WARNING! Avoid pump iding because it could damage the pneumatic system and the membranes.
EMERGENCY STOP
TUNING
Connect the pump with a grounding cable as indicated in
the figure.
To avoid risks after stops, keep the valve open and completely
discharge the pump.
In the case of an emergency, promptly close
the air opening/closing valve (1) blocking motor
power.
1
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11
LARIUS 4
PROBLEMS AND SOLUTION
I
Problem
• The pump does not start up
• The pump has accelerated opera-
tion and does not suck the product
• The pump stalled continuously
Cause
• Feed air not sufficient;
• Outlet product line clogged;
• Clogged product intake line;
• The membrane has ruptured;
• The drive valve has locked;
• There is no product;
• The pump sucks air;
• The “balls” do not close perfectly;
•
The feed air is insufcient.
Solution
• Check the air supply line. Increase
the feed hose diameter;
• Clean. Detach the product outfeed
hose Power the pump at minimum
pressure and check if the pump
starts without the outfeed hose;
• Check the hose and the intake lter.
Clean;
• Replace the membrane;
• Press the reset buttons located at
the sides of the valve;
• Add the product;
• Check the suction pipe;
• Remove and clean and/or replace
the balls and ball seats;
• Check the air supply line. Increase
the feed hose diameter;
• Check that the parts of the air feed
circuit guarantee a sufcient ow
rate (the quick-couplings cause
pressure drops).
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12
Always close the compressed air supply and release the pressure in the system before checking or replacing
the pump parts.
Edit. 002 - 06/2019
List of spare parts
J
pag. 14
LARIUS 4
SPARE PARTS
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13
LARIUS 4
EXPLODED PNEUMATIC MOTOR UNIT VIEW
J
WARNING:alwaysindicatecodeandquantityforeachpartrequired.
27
26
25
21
24
21
24
21
24
21
24
21
20
23
22
23
22
23
22
23
22
23
22
13
16
42
40 39
3 2 40 39
645 7 5 67
4
8
9
10
11
41
14
15
17
1
37
38
15
12
41
11
10
19
18
26
27
9
8
2
30
31
32
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14
5 6 7 5 67
35 34 33 36 29
Edit. 002 - 06/2019
LARIUS 4
1
2
3
4
5*
6*
7*
8
9
10
14
15
16
17
19
20
21
24
25
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
*
**
*
**
*
**
*
**
Code
ALLUM.
8350
8351
8385
8352
8372
8404
8379
8386
8387
8388
8353
91008
8403
8399
8410
8402
8409
8363
8364
8365
8362
96840
4026
8361
8360
8369
8368
54004
4004
3354
3344
3343
3341
8167
3338
8405
96205
8406
8407
8388
8371
Description DescriptionQ.ty Q.ty
Body pump
Fluid passage cover
Screw
Fluid passage sleeve
Ball PTFE 1”
O ring
Ball seat
Screw
Washer
External membrane pressing disc
Membrane
O ring
O ring
Membrane push rod
Hex nut
O ring
Insert for pump body
Gasket
Piston
Piston rod
Washer
O ring
O ring
Spacer ring
Spacer ring
Gasket
Support bracket
Screw
Ball valve
Fitting
Pressure regulator
Fitting
Elbow tting
Pressure gauge
Bayonet attack
Silencer
Plug
Washer
Nipplo 1” Gas
Internal membrane pressing disc
Screw
1
2
16
2
4
4
4
2
2
2
1
1
5
1
2
4
1
1
1
1
5
5
5
4
1
2
2
8
1
1
1
1
1
1
1
1
1
2
2
2
8
1
2
3
4
5*
6*
7*
8
9
10
11**
12**
13**
14
15
16
17
18
19
20
21
22
23
24
25
26
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Pos. Pos.
11**
12**
13**
18
22
23
26
*Ball and ball housing kit Code 40336
**Diaphragm kit Code 40337
***Motor gasket kit Code 40332
*
**
*
**
*
**
*
**
Code
INOX
8350
8355
8385
8356
8372
8404
8379
8357
8358
8359
8353
91008
8403
8399
8410
8402
8409
8363
8364
8365
8362
96840
4026
8361
8360
8369
8374
54004
4004
3354
3344
3343
3341
8167
3338
8405
96205
8406
8373
8388
8371
Body pump
Fluid passage cover
Screw
Fluid passage sleeve
Ball PTFE 1”
O ring
Ball seat
Screw
Washer
External membrane pressing disc
Membrane
O ring
O ring
Membrane push rod
Hex nut
O ring
Insert for pump body
Gasket
Piston
Piston rod
Washer
O ring
O ring
Spacer ring
Spacer ring
Gasket
Support bracket
Screw
Ball valve
Fitting
Pressure regulator
Fitting
Elbow tting
Pressure gauge
Bayonet attack
Silencer
Plug
Washer
Nipplo 1” Gas
Internal membrane pressing disc
Screw
1
2
16
2
4
4
4
2
2
2
1
1
5
1
2
4
1
1
1
1
5
5
5
4
1
2
2
8
1
1
1
1
1
1
1
1
1
2
2
2
8
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15
LARIUS 4
MARKING
K
Low pressure double diaphragm transfer pumps series 2 and 4.
3
X
II 2 G c IIB T4 Tamb: -10°C ÷ + 50°C Tmax. fluid: 60°C Tech. File: LARIUS 2-4/ATEX/05
II =
2 =
G =
c =
T4 =
- 10°C ÷ + 50°C
60°C
xxxxx/AA
Group II ( surface)
Category 2 (zone 1)
Explosion hazardous environment with presence of gas, fog and vapour
Manufacturing safety “c”
Class of temperature T5
Environment temperature
Maximum fluid temperature
Serial number xxxxx = PROGRESSIVE/ year = AA
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Relation between hazardous areas, products and categories
LARIUS 4
DANGEROUS AREA
Gas, vapour or fog
Gas, vapour or fog
Gas, vapour or fog
L
SAFETY INSTRUCTIOINS
FOR ONSTALLATIONS IN
HAZARDOUS AREAS
Before proceeding with the installation carefully read the use and service manual. All
the service operations must be carried out
as stated in the manual.
Zone 0
Zone 1
Zone 2
CATEGORIES AS PER RULES
94/9/CE
1G
2G or 1G
3G, 2G or 1G
The low pressure double diaphragm transfer
pumps series 2 and 4 must not work empty
of material.
All the operations, installation and service,
must be carried out by qualified operators.
• The low pressure double diaphragm transfer pumps
series 2 and 4 must be connected to the ground with a
suitable connector anti-release and anti-rotation.
• Gas and vapour of ammable liquids must belong to the
group IIB and compatible with class temperature T4.
• According with the nature of the operations and products,
the operator must regularly check the presence of deposit, the cleaning, the wearing and the correct pump’s
functioning.
• It is advisable that a lter will be placed at the suction of
the material to prevent solid parts entering the pump.
• The pipes used to connect suction and delivery must
be metallic, or plastic with metallic braid or plastic with
fabric braid with suitable earthing cable.
• According to duties it is recommended the control of
diaphragms and replacement.
• The air feeling the pump needs to be ltered and originated by a safe area.
EXAMPLE OF INSTALLATION
M
The picture shows a typical example of installation of a Larius
double diaphragm pump.
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17
LARIUS 4
DECLARATION OF
CONFORMITY
We Larius S.r.l.
Via Stoppani, 21
24032 Calolziocorte (LC)
declare under our sole responsibility that the
product:
Low pressure transfer double diaphragm pumps - series 2 and 4.
to which this declaration relates complies with the
following Directives:
- Direttive 94/9/EC (ATEX)
The conformity are under observance of the following standards or standards documents:
- EN 1127-1 - EN 13463-5
- EN 13463-1
Marking
3
X
II 2 G c IIB T4 Tamb.: - 10°C ÷ 50°C Tmax. fluido: 60°C
Tech. File: LARIUS 2-4/ATEX
Technical file c/o: INERIS (0080)
Calolziocorte- LC Signature
/05
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18
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LARIUS 4
White page
intentionally
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19
Made in Italy 1969
LARIUS srl
Via Antonio Stoppani 21 - 23801 Calolziocorte (LC) ITALY
TEL. +39 0341 621152 - Fax +39 0341 621243 - larius@larius.com
www.larius.eu
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