INOXPA Check Manual
1
INSTALLATION, SERVICE AND MAINTENANCE
INSTRUCTIONS
ANNEX FOR CE ATEX REGISTERED EQUIPMENT UNDER
DIRECTIVE 2014/34/EU:
CHECK VALVES Ex
The contents of this Annex complement the information included in the
instruction manual. The instructions in this Annex must be observed
whenever equipment registered under Directive 2014/34/EU is used.
Original Manual
10.501.30.03EN
(A) 2022/11
If applicable, this Annex shall be complemented by the manuals of
ATEX-certified components which form part of the unit (e.g., seals).
(1) the serial number may be preceded by a slash and by one or two alphanumeric characters
EU Declaration of Conformity ATEX 2014/34/EU
We,
INOXPA, S.A.U.
Telers, 60
17820 –Banyoles (Girona)
Hereby declare under our sole responsibility that the machine
VALVE
Model
CHECK
From serial number IXXXXXXXXX to IXXXXXXXXX (1)
Fulfills all the relevant provisions of Safety and Health from ATEX 2014/34/EU Directive and
are adapted to the harmonized norms:
EN ISO 80079-36:2016
EN ISO 80079-37:2016
EN 1127-1:2019
EN 13237:2012
EN 15198:2007
This Declaration of Conformity covers equipment with the following ATEX marking:
The technical documentation referenced 018400/15 is on file with the notified body INSTITUT
NATIONAL DE L’ENVIRONNEMENT INDUSTRIEL ET DES RISQUES (INERIS), Parc
Technologique Alata BP 2, 60550 Verneuil-en-Halatte, France. Reference num. 0080.
Signed by and on behalf of:
INOXPA, S.A.U.
David Reyero Brunet
Technical Office Manager
Banyoles, 2022
II 2G Ex h IIB T6…T3 Gb
II 2D Ex h IIIB T85 ºC…T200 ºC Db
10.501.30.06EN
(0) 2022/11
_______________________________________________________________________________________________
ED. 2022/11 1. CHECK VALVE SAFETY
2
1. Safety
1.1. INSTRUCTIONS MANUAL
1.2. INSTRUCTIONS FOR STARTING UP
1.3. SAFETY
1.3.1. Warning symbols
Danger! Important indications regarding protection from explosions
1.4. GENERAL SAFETY INSTRUCTIONS
1.4.1. During installation
In order to reduce the risk of static electricity, the equipment must be earthed to
ensure electrical continuity between the pipes and the valve
1.4.2. During operation
The limits of the operating conditions in explosive atmospheres must not be exceeded
This valve was selected according to the operating conditions specified by the user.
Therefore, INOXPA disclaims liability for any damage caused by use of the valve in
conditions other than those stated in the order
1.4.3. During maintenance
Danger! Important indications regarding protection from explosions.
An explosive atmosphere may be created during disassembly of the valve. Therefore,
safe work permits must be issued and these jobs must only be done by qualified or
trained personnel
1.4.4. Compliance with the instructions
Any non-fulfilment of the instructions may result in a risk for the operators, the environment and the
machine, and may result in the loss of your right to claim damages.
Non-fulfilment may cause the following risks (in addition to those indicated in the manual):
- Creation of explosive atmospheres and risk of explosion.
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ED. 2022/11 1. CHECK VALVE SAFETY
3
1.5. GUARANTEE
Any guarantee will be lawfully cancelled immediately; in addition, we will be compensated for any
claims of civil liability presented by third parties, in the case that (further to the conditions already
indicated in the manual):
- The equipment has been used improperly or has not been used in accordance with the working
conditions in the classified area, work has been carried out in a different classified area, or different
conditions of temperature or pressure and/or different substances have been used.
_______________________________________________________________________________________________
ED. 2022/11 2. CHECK VALVE TABLE OF
CONTENTS
4
2. Table of Contents
The indications of such sections must be observed in addition to those of
the valve manual.
1. Safety
1.1. Instructions manual 3
1.2. Instructions for starting up 3
1.3. Safety 3
1.4. General safety instructions 3
1.5. Guarantee 4
2. Table of Contents
3. Receipt and installation
3.1. Checking the shipment 6
3.2. Delivery and unpacking 6
3.3. Identification 6
3.4. Positioning 7
3.5. Assembly 7
3.6. Inspecting and checking 7
3.7. Welding 7
4. Start-up
4.1. Start up 9
4.2. Operation 9
5. Operating problems Causes and solutions
6. Maintenance
6.1. General points 11
6.2. Maintenance 11
6.3. Cleaning 12
7. Assembly and disassembly
7.1. Disassembling/assembling the valve 13
7.2. Positioning the check valve 13
7.3. Technical specifications 14
7.4. Weld/weld check valve dimensions 15
7.5. Section and parts list 16
7.6. Parts list 16
_____________________________________________________________________________________
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ED. 2022/11 3. CHECK VALVE RECEIPT AND INSTALLATION
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3.Receipt and installation
3.1. CHECKING THE SHIPMENT
The received valve must be checked to ensure that it is adapted to the working
conditions of the classified area and the conditions of the order
3.2. DELIVERY AND UNPACKING
3.2.1. Delivery
3.2.2. Unpacking
3.3. IDENTIFICATION
The following additional information shall identify ATEX valves:
The temperature class and the maximum surface temperature depend on the temperature of the product to
be stirred and the ambient temperature.
Temperature class for explosive gas atmospheres
Temperature
class
Product temperature (in process
or cleaning)
Room temperature
T6
≤ 60 °C
-20 °C to +40 °C
T5
≤ 75 °C
T4
≤ 110 °C
T3
≤ 140 °C
Maximum surface temperature for explosive dust atmospheres
Maximum
surface
temperature
Product temperature (in process
or cleaning)
Room temperature
T85 °C
≤ 85 °C
-20 °C to +40 °C
T100 ºC
≤ 100 °C
T125 ºC
≤ 125 °C
T 200 °C
≤ 200 °C
3.4. POSITIONING
3.5. ASSEMBLY
In order to reduce the risk of static electricity, the equipment must be earthed to
ensure electrical continuity between the pipes and the valve
3.6. INSPECTING AND CHECKING
II 2G Ex h IIB T6…T3 Gb
II 2D Ex h IIIB T85ºC…T200 oC Db
_____________________________________________________________________________________
_______________________________________________________________________________________________
ED. 2022/11 3. CHECK VALVE RECEIPT AND INSTALLATION
6
3.7. WELDING
Safe-work permits will be required for any welding work in potentially explosive
atmospheres. It is strongly recommended that this type of work be carried out in
non-classified atmospheres (i.e. there must not be an explosive atmosphere in the
location of the valve when it is being handled)
3.7.1. WELD/WELD CHECK VALVE
_____________________________________________________________________________________
_______________________________________________________________________________________________
ED. 2022/11 4. CHECK-VALVE START-UP
7
4.Start-up
4.1. STARTING UP
The received valve must be checked to ensure that it is adapted to the working
conditions of the classified area and the conditions of the order
Ensure that there is an uninterrupted supply of electricity between the valve and
that installation, and that the installation is earthed
4.2. OPERATION
Do not modify the operating parameters for which the valve has been designed
without written prior authorisation from INOXPA
The valve was selected for specific working conditions in potentially explosive
atmospheres at the time the order was placed. INOXPA will not be responsible for
any damage caused if the information provided by the buyer is incomplete or
incorrect (type of liquid, viscosity, classification of the potentially explosive zone, gas
generated by the potentially explosive atmosphere, etc.)
_____________________________________________________________________________________
_______________________________________________________________________________________________
ED. 2022/11 6. CHECK VALVE MAINTENANCE
8
6.Maintenance
6.1. GENERAL INFORMATION
The valves shall only be assembled and disassembled by qualified staff and safe work
permits must be obtained for potentially atmospheric atmospheres.
6.2. MAINTENANCE
6.2.1. Maintenance of the seals.
6.2.2. Storage
6.2.3. Spare parts
When ordering spare parts for a valve to work in a classified zone, it is necessary to explicitly
indicate on the order that they are for a valve operating in an ATEX zone, and to indicate the
characteristics of this zone.
Otherwise, INOXPA cannot ensure that the valve will operate with parts that are suitable for
the classified area within which it is installed.
6.3. CLEANING
Before starting disassembly and assembly work, it is necessary to take into account
the presence or possible formation of potentially explosive atmospheres
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ED. 2022/11 7. CHECK VALVE ASSEMBLY AND DISASSEMBLY
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7.Assembly and disassembly
The valves shall only be assembled and disassembled by qualified staff and safe work
permits must be obtained for potentially atmospheric atmospheres
7.1. DISASSEMBLY / ASSEMBLY OF THE CHECK VALVE
7.2. POSITIONING OF THE CHECK VALVE
7.3. TECHNICAL SPECIFICATIONS
Temperature range. See section 3.3.
7.4. WELD/WELD CHECK VALVE DIMENSIONS
7.5. SECTION AND PARTS LIST
7.6. PARTS LIST
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1
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