ARI Armaturen STEVI 471 EN - Manual (Page 5)

Rev. 0040305000 0410 Page 5
Operating and installation instructions
Straight through control valves - STEVI
®
470 / 471
4.3.1 Plug design
4.4 Technical data
for
- Principal dimensions
- Pressure-temperature-ratings, etc.
refer to data sheet.
4.5 Marking
Fig. 5: Perforated plug Fig. 6: V-port plug
(Pressure balanced plug refer to Fig. 17)
Fig. 7
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