Weh TVR300 Manuale utente
WEH®- We Engineer Hightech
Type TVR300
Operating instructions ⋅Betriebsanleitung Date: 11/21
WEH®Stainless steel check valve for use with liquid and gaseous
media
WEH®Rückschlagventil aus Edelstahl für den Einsatz flüssiger und
gasförmiger Medien
Die deutsche Version ist das Original.
Hersteller: WEH GmbH Verbindungstechnik - im Nachfolgenden „WEH“ genannt.
The German version is the original.
Manufacturer: WEH GmbH Precision Connectors – hereinafter referred to as “WEH”.
LANGUAGES
TYPE TVR300 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 4
WEH®Stainless steel check valve for use with liquid and gaseous media
TYP TVR300 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 18
WEH®Rückschlagventil aus Edelstahl für den Einsatz flüssiger und
gasförmiger Medien
AE
DE
The German version is the original.
Manufacturer: WEH GmbH Precision Connectors - hereafter referred to as 'WEH'.
CONTENTS
1. INTRODUCTION 6
1.1 For your guidance 6
1.2 General information 7
1.3 Warranty and liability 7
1.4 General safety instructions 8
1.5 Definition of qualified personnel 8
2. INTENDED USE 9
3. PRODUCT OVERVIEW / PRODUCT DESCRIPTION 10
4. TECHNICAL DATA 11
5. STORAGE 12
5.1 Safety instructions for proper storage 12
5.2 Storage 13
6. REQUIRED TOOLS 13
7. INSTALLATION 14
7.1 Safety instructions for installation 14
7.2 Installing the check valve 15
8. COMMISSIONING 15
9. INSPECTION | MAINTENANCE 16
10. DISPOSAL 16
Type TVR300
WEH®Stainless steel check valve for use with liquid and gaseous
media
MD-10212-L51-R1.0.0-03 Page 5
Operating instructions AE
1. INTRODUCTION
Dear Customer!
Thank you for deciding to use our products.
The WEH®TVR300 Check valve has been exclusively designed for reliably preventing
return flow in a gaseous or liquid media flow.
Observe and follow all instructions and warnings in these operating instructions�
Non-observance may result in personal injury and/or property damage�
1�1 For your guidance
The markings and symbols contained in these operating instructions have the following
meanings:
- Items are indicated by a dash
ÎCalls for action are indicated by an arrow
Figures
The illustrations and/or images used in these operating instructions are particularly provided
for illustrative purposes only and may differ in some details from the actual product. For
binding information, please refer to your individual orders.
Abbreviations
For explanation of abbreviations and definitions of terms see Technical Appendix of the
corresponding catalog or www.weh.com
Definition of signal words
Caution: A section marked with 'Caution' warns you about hazards that could result in a
slight, usually reversible personal injury if you do not comply with this instruction.
Attention: Sections marked ‘Attention’ warn you of situations that could lead to property
damage and disruptions in operation if you do not comply with the instruction.
Note: Sections marked ‘Note’ indicate that malfunctions in operation may occur if you
do not comply with the instruction.
Please note: Sections marked with ‘Please note’ provide you with additional information
for smooth operation.
MD-10212-L51-R1.0.0-03
Page 6
Operating instructions
AE
1�2 General information
ÎFirst read these operating instructions to avoid misuse and resulting damage.
- In these operating instructions you will find all the necessary information and instruc-
tions for the WEH®Product.
ÎThen check the contents of your delivery. Each delivery must contain:
- a delivery note
- an original WEH Test report (not applicable to spare parts)
- WEH operating instructions
ÎIf any documents are missing, please contact WEH or your responsible distributor.
1�3 Warranty and liability
- Our General Terms and Conditions apply.
ÎPlease read these operating instructions and safety instructions carefully and follow
the information contained therein.
- The information in these operating instructions reflects to the state of knowledge at
the time of printing. Failure to comply may void the warranty. Any side agreements to
these operating instructions require the written approval of the Head of the Quality
Department at WEH.
- Violation of these operating instructions result in the lapse of all warranty claims.
WEH will accept no liability for consequential damage, in particular damage due to
personal injury and/or other legal interests.
Caution: WEH®Products may only be repaired by WEH.
ÎContact WEH or the responsible distributor if the WEH®Product requires mainte-
nance. Special maintenance work that may be performed by the operator is described
in these operating instructions and is specially marked.
ÎOnly use original WEH®Spare parts. These are exactly suited to the intended appli-
cation and subject to strict quality controls.
- You yourself are solely responsible for the proper performance of the replacement or
repair. WEH is not responsible for the performance or any damage and/or losses aris-
ing from it. WEH assumes no guarantee, warranty, product liability or other liability
for any replacement or repair of the WEH®Product performed by you or a third party.
If you or a third party does not have the necessary skills and qualification for proper
performance, you must refrain from performing replacement or repair. Otherwise,
there is a particular risk of endangering yourself and third parties.
MD-10212-L51-R1.0.0-03 Page 7
Operating instructions AE
1�4 General safety instructions
ÎAlways comply with all applicable local, national and international requirements,
stipulations, decrees, laws, standards, provisions, directives, norms, regulations,
prohibitions and instructions as well as all applicable industrial, quality and technical
standards. In particular, make sure that you and all users comply with the applicable
requirements related to occupational health and safety as well as product safety
requirements and that all required permissions, certificates and approvals have been
obtained.
ÎThese operating instructions should be provided to anyone responsible for the instal-
lation, operation and maintenance of this WEH®Product.
ÎContact WEH before using the WEH®Product if the instructions in these operating
instructions are unclear in any way.
ÎTake appropriate safety measures if operating conditions exist that could endanger
the user.
ÎIn case of any damage that may affect the proper functioning of the WEH®Product, do
not use the WEH®Product until the situation has been clarified. Disassembly of the
WEH®Product may only be performed by WEH.
ÎComply with the assembly data indicated in these operating instructions. Tightening
with higher torques/assembly turns can result in damage or even fractures when the
system is pressurized.
ÎDo not use any auxiliary materials or cleaning agents other than those indicated in
these operating instructions. Using other auxiliary materials or cleaning agents may
cause damage to the WEH®Product or to downstream components.
- WEH is not responsible for damage caused by external forces or other external
influences.
- It is assumed that only transport and storage facilities suitable for the storage of the
WEH®Product are used.
1�5 Definition of qualified personnel
- Qualified personnel, as defined by these instructions, are persons who, based on
their professional training, their knowledge (including the relevant standards and
regulations), experience and manual skills, can independently assess and properly
perform assigned work tasks (in conjunction with WEH®Products) and can thus
independently recognize and prevent potential dangers at an early stage.
MD-10212-L51-R1.0.0-03
Page 8
Operating instructions
AE
2. INTENDED USE
- The WEH®TVR300 Check valve has been exclusively designed for reliably preventing
return flow in a gaseous or liquid media flow.
ÎNever use the WEH®Product as a safety valve.
- The WEH®Check valves were only developed for reliable return flow prevention. They
are not designed to be used as filling or safety valves. The separation or shut off
between different media or a medium and vacuum also does not represent a
fundamental intended use. If you have such an application or a similar application,
please contact us!
Note: The TVR valve has not been designed for use as a body that creates a complete
seal between two operating media, or one operating medium and the atmosphere or a
vacuum. The functionality of the inner seal depends on the pressure differential in the
seal direction along with many other operating conditions.
ÎOnly use the WEH®Product for industrial applications. The product was designed
and tested for that purpose. For automotive application, products with special ap-
provals are required.
- The WEH®Product is outfitted with an FKM seal as a standard feature. Other sealing
materials are available on request. Before using the product, please check the media
compatibility of the seals with your application.
- Only install the WEH®Product into a line system if the same medium is applied on both
sides and the system is operated at nominal load. Operation of a system at partial load
can cause flow disruptions that take effect in the form of vibrations or noises.
ÎAlways ensure that the WEH®Product is used only within the range of its intended use.
Please note in particular the technical data of the WEH®Product in Chapter 4 as well
as the marking on the WEH®Product itself.
- This WEH®Product is generally classified as pressure accessory in accordance
with Article 2 (5) of the Pressure Equipment Directive 2014/68/EU and is consid-
ered to be similar to piping. This WEH®Product may not be used as safety acces-
sory. Furthermore, it is pointed out, that this WEH®Product is designed and placed
on the market in accordance with the requirements of Article 4 (3) of the Pressure
Equipment Directive 2014/68/EU. The assessment with regard to a different classi-
fication can, however, be made on request.
Caution: Any use beyond the scope of application is considered as unintended use
and may result in personal injury and/or property damage.
MD-10212-L51-R1.0.0-03 Page 9
Operating instructions AE
3. PRODUCT OVERVIEW / PRODUCT DESCRIPTION
Basic version
TVR300-S1-A02 with
female thread on both sides
Definition of ports
B1 Media inlet
B2 Media outlet
B1
B2
MD-10212-L51-R1.0.0-03
Page 10
Operating instructions
AE
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