
Operating instructions
18
Phone +49 4531 509-0
3
Transport and storage
3.1
Inspection of condition on delivery
Inspect the check valve for damage upon receipt.
In case of transport damage, determine and document the precise extent of the damage, and
report it immediately to the supplying dealer/carrier and the insurer.
3.2
Transportation
Transport the check valve in the packaging supplied.
The check valve is delivered ready to operate with lateral connections protected by cover caps.
Protect the check valve against hammering, impacts, vibrations and dirt.
Adhere to a transport temperature range of -20 °C to +65 °C.
3.3
Storage
Store the check valve in a clean and dry place.
Make use of a desiccant or heating in damp storerooms to prevent the formation of
condensation.
Adhere to a storage temperature range of -20 °C to +65 °C.
4
Description of the check valve
Refer to the respective catalogue page for further detailed information.
4.1
Structure
Design
Automatic opening and closing, straight-type check valve.
Component
Design
Body
Straight-type
Bonnet
Flanged, without spindle bushing
Obturator
Disc with seal made of non-metallic materials
Body end
with soldering end
with welding end
with threaded end (G; R; NPT; M)
with flanged connection
with welded-in/soldered-in pipes
4.2
Valving marking
The check valves are provided with an individual marking for identification.
Symbol
Explanation
DN…..
Nominal diameter
PN…..
Rated working pressure (max. permissible operating
pressure)
-…..°C +…..°C
Temperature, min. / max.
Manufacturer’s mark “HEROSE”
01/18
Year of construction MM/YY
12345
Type
01234567
Serial no.
EN1626
Standard
0045
CE-mark and number of the notified body
e.g. CF8 / 1.4308
Material
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Страница 62: ...Notice d utilisation 56 Téléphone 49 4531 509 0 ...
Страница 76: ...Руководство по эксплуатации 70 Телефон 49 4531 509 0 ...
Страница 86: ...操作指南 80 电话 49 4531 509 0 焊接 钎焊之后 插入关闭件 插入新的密封圈 组装阀盖 切勿损坏密封圈 安装螺栓 以十字交叉方式将螺栓拧紧至规定的 紧固扭矩 旋转方向 顺时针 ...
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