Piusi K33 Atex User manual

M0268 ITEN _ 01

M0268 EN 17
(Translated from Italian) EN
A TABLE OF CONTENTS
A TABLE OF CONTENTS 17
B CONFORMITY 18
B1 DECLARATION OF CONFORMITY (94/9/CE, Annex X, lett. B) 18
C MACHINE DESCRIPTION 18
C1 DEFINITION OF CLASSIFIED ZONES 19
C2 INTENDED USE 20
C3 HANDLING AND TRANSPORT 20
D GENERAL WARNINGS 21
E FIRST AID RULES 22
F GENERAL SAFETY RULES 22
G TECHNICAL DATA 23
H OPERATING CONDITIONS 23
H1 ENVIRONMENTAL CONDITIONS 23
H2 FLUIDS PERMITTED 23
I INSTALLATION 24
L CALIBRATION 25
M EVERY DAY USE 26
N MAINTENANCE 27
O DISASSEMBLING REASSEMBLING 28
P PROBLEMS, CAUSES AND SOLUTIONS 29
Q DEMOLITION AND DISPOSAL 29
R EXPLODED VIEWS 30

18 M0268 EN
EN (Translated from Italian)
B CONFORMITY
B1 DECLARATION OF CONFORMITY (94/9/CE, Annex X, lett. B)
The manufacturer: PIUSI S.p.A.
Via Pacinotti, 16/A
46029 Suzzara (MN) Italy
Declares under its own responsibility that the machine:
Type: Meter
Model: K33 ATEX
Year of manufacture: refer to the year of production shown on the CE plate axed to the prod-
uct.
CERTIFIES THAT
comply with all relevant provisions of the following directives:
- 94/9/CE
and the following harmonized standards, applied standards and/or technical specications:
UNI EN 1127-1:2011; UNI EN 13463-1:2009; UNI EN 13463-5:2011
This equipment is classied as follows:
Group II, category 2 G c IIB T=85° C (T6)
Read the Use and Maintenance manual before using the pump..
Place: Suzzara (Mn)
Date: 22/02/2012
Legal Representative
C MACHINE DESCRIPTION
K33 atex is mechanical owmeter with nutating disk,
designed toallow a precise measurement of Diesel oil or
other uids compatible with the manufacturing material.
The nutating disk of the metering chamber (seediagram
1, drawing “15”), which is setin motion by the uid itself,
drives thegear train located in the cover of themeter body
(drawing“8”) which transmitsthe motion to the meter (pos.
“6”). The meter is equipped with a non-resettable litre to-
taliser and a batch register which can be reset by means of
a knob (Pos.“2”) whose unit digit is provided with marks for
the readout ofthe tenths of a litre.
ATTENTION To ensure a proper and safe use of the meter it is nec-
essary to read and follow the instructions and warn-
ings contained in this manual. An improper installa-
tion or use of the meter may cause damage to objects
and people.

M0268 EN 19
(Translated from Italian) EN
C1 DEFINITION OF CLASSIFIED ZONES
FOREWORD Denition of zones as shown in directive 99/92/CE
ZONE 0
Place where an explosive atmosphere made up of a mix of air and
inammable substances in the form of gas, vapour or mist is con-
tinuously present, either for long periods or frequently.
Note: Generally speaking, said conditions, when they occur, involve
the inside of tanks, pipes and containers, etc.
ZONE 1
Place where it is probable that an explosive atmosphere, made up of
a mix of air and inammable substances in the form of gas, vapour or
mist, can occur occasionally during normal operation.
Note: Said zone can also include:
- places in the immediate vicinity of zone 0;
- places in the immediate vicinity of supply openings;
- places in the immediate vicinity of lling and and emptying open-
ings;
- places in the immediate vicinity of appliances, protection systems and
fragile glass and ceramic components, or components made of other
similar materials;
- places in the immediate vicinity of inadequately sealed stung
boxes, e.g., on pumps and valves with stung box.
ZONE 2
Place where it is improbable that an explosive atmosphere, made up
of a mix of air and inammable substances in the form of gas, vapour
or mist, can occur during normal operation, but which, if it does oc-
curs, only persists for a short time.
Note: Said zone can include, among others, places surrounding the zones
0 or 1.
ZONE 20
Place where an explosive atmosphere in the form of a cloud of com-
bustible powders in the air is continuously present, either for long
periods or frequently.
Note: Generally speaking, said conditions, when they occur, involve
the inside of tanks, pipes and containers, etc.
ZONE 21
Place where it is probable that an explosive atmosphere, in the form of a
cloud of combustible powders in the air, can occur occasionally during nor-
mal operation.
Note: Said zone can include, for example, among others, places in
the immediate vicinity of powder loading and emptying points and
places where powder layers form or which, during normal operation,
could produce an explosive concentration of combustible powders
mixed with the air.
ZONE 22
Place where it is improbable that an explosive atmosphere, in the
form of a cloud of combustible powders in the air, occur during
normal operation but which, if it does occur, only persists for a short
time.
Note:This zone can comprise, among others, places near appliances,
protections systems and components containing powder, out of
which the powder can come out due to leaks with the formation of
powder deposits (e.g., milling salt, where the powder comes out of
the mills and deposits).
ZONE 1 ZONE 0
ZONE 20
ZONE 2 ZONE 21

20 M0268 EN
EN (Translated from Italian)
C2 INTENDED USE
INTENDED
USE APPLIANCE FOR THE MEASUREMENT OF FUEL SUITABLE
FOR OPERATING IN ZONES CLASSIFIED“1”AND “2”, AC-
CORDINGTO DIRECTIVE 99/92/CE
THE DETERMINATION OF THE AREAS (ZONES) IS TO
BE CARRIED OUT BY THE USER
FORBIDDEN
USE Using the appliance for uids other than those listed at
paragraph“H2 – Fluids permitted”and for uses other than
those described at the item“authorised use”is forbidden.
PLANT OPERATION RESTRICTIONS
IT IS FORBIDDEN:
1
To use the appliance in a construction conguration other
than that contemplated by the manufacturer
2
To use the appliance with xed guards tampered with or
removed.
3
To use the appliance in places where there is risk of explo-
sion and/or res classied in the following zones:
0; 20; 21; 22
4
To integrate other systems and/or equipment not consid-
ered by the manufacturer in the executive project.
5
To connect the appliance up to energy sources other than
those contemplated by the manufacturer
6
To use the commercial devices for purposes other than
those indicated by the manufacturer.
7
Don’t use in presence of lightnings
C3 HANDLING AND TRANSPORT
Due to the limited weight and dimensions of the METERS, special lifting equipment
is not required to handle them. THE APPLIANCES ARE CAREFULLY PACKED before dis-
patch. Check the packing when receiving the material and store in a dry place.

M0268 EN 21
(Translated from Italian) EN
D GENERAL WARNINGS
Important
precautions
to ensure operator safety and to protect instrument from
potential damage, workers must be fully acquainted with
this instruction manual before performing any operation.
Symbols used in
the manual
The following symbols will be used throughout the manual to
highlight safety information and precautions of particular im-
portance:
ATTENTION
This symbol indicates safe working practices for operators
and/or potentially exposed persons.
WARNING
This symbol indicates that there is risk of damage to the
equipment and/or its components.
NOTE
This symbol indicates useful information.
ATTENTION
Important note for guaranteed safety in classied zones
Manual preser-
vation This manual should be complete and legible throughout.
It should remain available to end users and specialist instal-
lation and maintenance technicians for consultation at any
time.
Reproduction
rights
All reproduction rights are reserved by Piusi S.p.A. The text
cannot be reprinted without the written permission of Piusi
S.p.A.
© Piusi S.p.A.
THIS MANUAL IS THE PROPERTY OF Piusi S.p.A.
ANY REPRODUCTION, EVEN PARTIAL, IS FORBIDDEN.
This manual belongs to Piusi S.p.A., which is the sole propri-
etor of all rights indicated by applicable laws, including, by
way of example, laws on copyrights. All the rights deriving
from such laws are reserved to Piusi S.p.A.: the reproduction,
including partial, of this manual, its publication, change,
transcription and notication to the public, transmission,
including using remote communication media, placing at
disposal of the public, distri¬bution, marketing in any form,
translation and/or processing, loan and any other activity
reserved by the law to Piusi S.p.A..
NOTE THIS MANUAL IS VALID ONLY FOR K33 ATEX METER
ALWAYS USE THE RIGHT VOLTAGES TO CONNECT THE
PUMPS
ATTENTION BEFORE PROCEEDING WITH THE REFUELLING OF THE
AIRCRAFT, ENSURE THAT THE SYSTEM INTENDED
FOR SUCH ACTION COMPLIES WITH THE REGULA-
TIONS IN FORCE IN THE COUNTRY OF USE
ATTENTION USE THE METER ONLY WITH FLUIDS PERMITTED.
DO NOT USE WITHFLUIDSNOT PERMITTED TO AVOID
DAMAGING THE INSTRUMENT. THE GUARANTEE
LAPSES IN CASE OF MISUSE OF THE FLUID.
DO NOT USE THE METER WITH LIQUID FOOD PROD-
UCTS AND/OR WATER-BASED FLUIDS.
Before connection, make sure that the piping and the suction
tank are free of dirt and solid residue that could damage the ME-
TER and its accessories. NEVER COLLECT THE FLUID FROM THE
BOTTOM OFTHETANK SINCE IT MAY CONTAIN IMPURITIES
BEFORE USING THE PUMP SWITCH OFF ALL THE ELEC-
TRONIC DEVICES ( I.E. MOBILE PHONES, BEEPERS ETC.)

22 M0268 EN
EN (Translated from Italian)
E FIRST AID RULES
Contact with
the product
In the event of problems developing following EYE/SKIN
CONTACT, INHALATION or INGESTION of the treated prod-
uct, please refer to the SAFETY DATA SHEET of the uid
handled.
NOTE Please refer to the safety data sheet for the product
SMOKING
PROHIBITED
DO NOT SMOKE NEAR THE METER AND DO NOT USE
THE INSTRUMENT NEAR FLAMES.
F GENERAL SAFETY RULES
USER'S
RESPONSIBILITY IT IS ESSENTIAL TO GET TO KNOW AND UNDERSTAND
THE INFORMATION CONTAINED IN THIS MANUAL.
IT IS ESSENTIAL TO GET TO KNOW AND OBSERVE THE
SAFETY SPECIFICATIONS FOR FLAMMABLE LIQUIDS.
BEFORE USING THE METER IT’S IMPORTANT TO TRAIN
OPERATORS, INSTALLERS AND MAINTENANCE STAFF
TO LET THEM WORK IN A PARTICULAR AREA NO. 1 AS
MENTIONED BY DIRECTIVE 94/9/EC
Essential
protective
equipment
characteristics
IN CASE OF CONTACT WITH THE PRODUCT AND FOR
GOOD STANDARD OF BEHAVIOUR, wear protective equip-
ment which is:
• suited to the operations that need to be performed;
• resistant to products used
TO DO SO, PLEASE REFER TO THE RELEVANT TECHCNICAL
DATASHEETS OF THE FLUID USED.
Personal
protective
equipment
that must be
worn
safety shoes close-tting clothing
protection gloves safety goggles
Necessary
safety
devices
instructions manual
Protective
gloves
Prolonged contact with the treated product may cause skin
irritation; always wear protective gloves during dispensing.
NOTE TO PREVENT ELECTRIC SHOCK AND DETONATION OF
SPARKS, ALL PUMPING SYSTEM MUST HAVE PROPER
GROUNDING, INCLUDING TANK AND ANY ACCESSORIES.
ATTENTION
FAILURE TO OBSERVE THE ABOVE MENTIONED RULES
CAN CAUSE SERIOUS ACCIDENTS

M0268 EN 23
(Translated from Italian) EN
G TECHNICAL DATA
Technical data Mod. K33 ATEX
Meter Mechanism Nutating disk
Flow rate (range) 20 ÷ 120 litres/min
Operating pressure (max) 3,5 bar
Burst pressure (min) 28 bar
Storage temperature (range) -20 +80 °C
Storage humidity (max) 95 % RU
Operating temperature (range) -20 +60 °C
Pressuer loss with diesel oil Flow rate (l/min) 30 60 90
Pressuer loss (bar) 0.005 0.2 0.4
Accuracy after calibration +/- 1%
Repeatability (typical) +/- 0.3%
Batch total readout 3 digits height 18 mm
Totaliser readout 6 digits height 6mm
Readout resolution 0.1 litri
Connections (inlet/outlet) 1”BSP
Weight (approximate) 1.8 Kg 1.9 Kg
Package dimensions 185x185x170 mm
Optional features Registration in US gallons female
threaded inlet/outlet 1”NPT
H OPERATING CONDITIONS
H1 ENVIRONMENTAL CONDITIONS
AMBIENT
TEMPERATURE
min. +23 °F / max +140 °F
min. -20 °C / max +60°C
FLUID
TEMPERATURE
min. +23 °F / max +140 °F
min. -20 °C / max +60 °C
RELATIVE
HUMIDITY
max. 90%
LIGHTING The environment must conform to directive 89/654/EEC on
work environments.
In case of non-EU countries, refer to directive EN ISO 12100-2
§ 4.8.6.
ATTENTION The temperature limits shown apply to the METER compo-
nents and must be respected to avoid possible damage or
malfunction.
H2 FLUIDS PERMITTED
ATTENTION THE PUMP CAN BE USED ONLY WITH THE FOLLOWING
FLUIDS:
- DIESEL - KEROSENE
- PETROL - PETROL ALCOHOL MIXED MAX 20% (E20)
- AVGAS 100/100LL - JET A / A1
- ASPEN2/4

24 M0268 EN
EN (Translated from Italian)
I INSTALLATION
FOREWORD The meters K33 ATEX can be installedin any position, on
rigid pipelines or exible hoses, directly on pumps or-
tanks. The meter ow direction is xed and indicated by
an arrow. The meteris supplied in the standard congu-
ration (A). The meter and the cover (see diagram1, pos.
“3”) can be rotated by 90° to 90° in respect to the body in
order to carry out the dierent congurations shown (B,
C, D). The reset knob can be installed either on the right
side or on the left side of the meter. In order to modify
the standard conguration follow the instructions given
in section “Disassembling / Re-assembling”. The meter
body is equipped with 4 blind holes (see diagram 2)
which can be threaded (M5) for a possible fastening.If
solid particles enter the measuring chamber the correct
working of the nutating disk may be aected.Always l-
ter the uid by installing a lter on the meter inlet (rec-
ommended lter 400 μ).
A
B C
D
ATTENTION
BEFORE ANY OPERATION, ENSURE TO BE OUT OF
POTENTIALLY EXPLOSIVE AREAS
The meter must never be operated before the delivery and
suction lines have been connected.
PRELIMINARY
CHECK
- Verify that all components are present. Request any missing parts
from the manufacturer.
- Check that the meter has not suered any damage during transport
or storage.
ATTENTION IF VALVES IN THE CIRCUIT ARE TO BE INSTALLED, MAKE
SURE THEY ARE EQUIPPED WITH OVERPRESSURE SYSTEM.
CLEAN THE TANK AND MAKE SURE IT IS WELL-VENTILATED
(RECOMMENDED OPENING PRESSURE: 3 psi)
APPLY THE QUICK COUPLING TO THE TANK CORRECTLY
AND SAFELY

M0268 EN 25
(Translated from Italian) EN
L CALIBRATION
FOREWORD K33 ATEX are pre-calibrated in factory to be used with
Diesel oil. As specic operating conditions (suchas real
ow rate, nature andtemperature of the measured uid)
may aect the meter accuracy, a re-calibration should be
carried out afterthe installation has been completed. A
new calibration is necessary eachtime the meter is disas-
sembled formaintenance operations or when it isused to
measure uids that dier fromDiesel oil.
CALIBRATION
PROCEDURE 1Unscrew the plug (see diagram 1,pos.“14”).
2Purge the system (pump, pipelines, meter) of air by dis-
pensing until the ow stream is full and steady.
3Stop the ow by shutting o the nozzle, but let the
pump running
4Reset the batch register by means of the reset knob (pos.
“2”).
5Dispense at the ow rate which thebest accuracy is re-
quired at, by using a calibration container having a ca-
pacity not lower than 20 litres. Do not reducethe ow in
order to reach the graduated zone of the calibration con-
tainer. Theright method is to start and stop the fullow
repeatedly until the required llingis obtained.
6Compare the indication of the calibration container (real
value) withthe one of the meter (indicated value).
- If the indicated value is higher than the real value, loos-
en the screw (pos.“12”);
- If the indicated value is lower than the real value, tight-
en the screw (pos.“12”).
7Repeat the operations 4 to 6 until accuracy is satisfactory
8Tighten the plug (pos.“14”) again. The O ring which the
calibration screwis provided with, has the function to
avoid accidental loosening of the adjustment screw but
does not haveany sealing functions.Therefore it is always
necessary toproperly x the plug with the sealinggasket
(pos.“12”)..