Bucher iValve i250 - Product Description; Intended Use and Conformity

iValve Lift Control Valve 3 Product description
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300-I-9010544-EN-01/10.2014
3 Product description
3.1 Intended use
The iValve intelligent lift control valve is an electronically controlled hy
draulic valve block for controlling hydraulic lifts. The iValve is situated on
the hydraulic power unit and activated by the lift control system. Elec
tronic control is accomplished by an electronic unit – the iCon – that is
housed in the control cabinet. At standstill, the weight of the lift is sup
ported by a check valve integrated in the iValve. In operation, the elec
tronic controller regulates the three states "Bypass", "Travel UP" and
"Travel DOWN", and the transitions between them. In the electronic unit,
this travel is represented in a form known as travel curves. During oper
ation, the travel curves for that particular lift are optimised by the learn
ing algorithm "iTeach". In addition, the valve block includes the following
functions and components: a hand pump with manual emergency lower
ing (with piston-creep prevention), a ball valve, a pressure gauge, a
pressure sensor with up to two pressure switches, speed monitoring, a
temperature sensor, a UCM/A3 valve in accordance with EN 81-2 + A3.
3.1.1 Conformity
The product was designed and developed in conformity with the follow
ing directives and standards:
EC-directive 2006/42/EG
EC-directive 95/16/EG
Standards EN81-2:1998+A3:2009
Safety rules for hydraulic lifts
Standards EN12016:2004+A1:2008
(Electromagnetic compatibility for lifts)
The lift control valve has a stuck-on nameplate with the following infor
mation:
3.2 Product identification
1. Valve type
2. Certificate no.
3. Month / year
4. Serialnumber
Issue: 09.2015
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Reference: 300-I-9010544-EN-01