- The WEH
®
Product can become very hot or very cold due to the possible fluids
flowing through it, depending on the application and operating situation. In this
regard, observe the national and international regulations on occupational health
and safety to prevent injuries.
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.
2. INTENDED USE
- The WEH
®
TK17 H
2
Fueling nozzle was specifically developed for refueling vehicles
with compressed gaseous hydrogen (CGH
2
).
- The WEH
®
TK17 H
2
Fueling nozzle with ENR is additionally equipped with a purging
line, that allows purging with dry nitrogen or dried air (dew point < -40°C) during
and after fueling process. This can prevent ingress of moisture and formation of ice
crystals when fueling with pre-cooled hydrogen. The efficiency of the purging line
has been successfully tested in compliance with the freezing test 7.26 from
ISO 17268.
Î
Ensure that the current valid specifications for the purity and quality of hydrogen for
vehicles are complied with.
Î
Always ensure that the WEH
®
Product is used only for its intended use. Please note in
particular the technical data of the WEH
®
Product in
as well as the marking
on the WEH
®
Product itself.
- When used at sea or in the vicinity of the sea, increased salt and moisture content of
the air may cause faster wear and corrosion of the product. Please observe the spe-
cial maintenance instructions in
Chapter 9.2 Maintenance intervals on page 28
.
- 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
considered to be similar to piping. This WEH
®
Product may not be used as safety
accessory. 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 classification 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-10013-L51-R1.6.0-03
Page 9
Operating instructions
AE
Summary of Contents for TK17 H2
Page 2: ......