ARI Armaturen STEVI 426 EN - Manual (Page 6)

Page 6 Rev. 0040314001 0410
Operating and installation instructions
Straight through control valves - STEVI
®
425 / 426
4.3.1 Plug design
4.4 Technical data
for
- Principal dimensions
- Pressure-temperature-ratings, etc. refer to data sheet.
4.5 Marking
Fig. 3: Design with perforated plug
(Design with pressure balanced plug
refer to Fig. 12)
Fig. 4
Address of manufacturer: refer to item 11.0 Warranty / Guarantee
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