ARI Armaturen STEVI 451 EN - Manual (Page 6)

Page 6 Rev. 0040306000 0410
Operating and installation instructions
3-way control valves - STEVI
®
450 / 451
4.4 Technical data
for
- Principal dimensions
- Pressure-temperature-ratings, etc. refer to datasheet.
4.5 Marking
Fig. 9
Address of manufacturer: refer to item 11.0 Warranty / Guarantee
According to the Pressure Equipment Directive table 6, annex II,
valves without safety
function are only allowed to bear the CE-marking DN32 onwards.
CE-marking
Serial-No.
Year of manufacture clear speech
Notified body
Manufacturer
Nominal pressure
Nominal diameter
Type-Number
(1. and 2. position)
Stem sealing
Material of
internal parts
Kvs-value
Flow
Plug
design
characteristic
Customer-specific
information