※ SOLENOIID GAS VALVES WIITH 1½” CONNECTIIONS AND OPERATIING PRESSURE UP TO 200mbarr..
GENERAL DESCRIPTION
This series of solenoid valves are of normally closed type,
suitable for civil and industrial applications, supplied with
alternate current.
These devices are provided with a special rectifier circuit which
supplies the valve coil with a high inrush power at starting
(70W in fast opening version and 138W in slow opening
version for about 120 seconds); then it reduces the power
rating preventing the valve coil from overheating and keeping
the gas valve in operating condition. This special circuit has
enabled to achieved high operating pressure values using a
small size valve coil.
A wire-net filter on the inlet avoids the entrance of dirt of >
1mm.
There is the possibility to have a fast opening or a slow
opening valve (obtained by special hydraulic shock-absorber),
with flow adjustment and fast opening initial flow adjustment.
All versions can be connected with suitable fixing brackets,
provided with by-pass solenoid valves and pressure plugs
upstream and downstream.
Gas valves of this series are in compliance with European
standard EN161 and have the EC-type certificate (CE PIN
0063AQ0626) in accordance with the Gas Appliance Directive
90/396/EEC and the following amendment 93/68/EEC.
TECHNICAL FEATURES
Class: A
Group: 2
Supply voltage (1): 230V/50-60Hz
Operating temperature: -10°C / +60°C
Closing time: £ 1s
Opening time: £ 1s (quick opening versions only)
Protection degree: IP54
Mounting: vertical and horizontal
Body: die-cast aluminium
Core hitch: PG9
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