Econex VSB Series Manual

Safety Shut-off Valves
series VSB and VSA
Gas safety solenoid shut-off valve series VSB and VSA, ap-
proved according to the norm EN 161 with
tification and manufactured according to regulation EU
2016/426, are suitable for the automatic control of gases
belonging to the first, second and third family.
On request there are versions for biogas and air. These val-
ves, normally closed for continuous and cyclic operation,
open by powering the coil and close quickly when there is
no tension.
TECHNICAL FEATURES
Valve body
Pipe connections for valves with brass body
Pipe connections for valves with aluminium body
Pipe flanged connections for valves with aluminium body
Inlet pressure
Opening/closing time on quick version
Standard supply voltage
Frequency
Enclosure
Supply voltage tolerance
Duty cycle
Ambient temperature
FEATURES
• Class A, Group 2 according to EN161
• Electromagnetic Compatibility – Directive 2004/108/CE
• Low voltage – Directive 2006/95/CE
• SIL 2 for single solenoid valves, if 2 valves are installed in series with tightness control, they reach SIL 3
• Quick and slow opening and quick closing
• Quiet operation
• Poliammidic resin encapsulated coils and metallic frame for flanged bodies
• Pressure test points at inlet by both sides
• Accessories on request: by-pass, limit switch, manual max. flow adjustment
product iden-
Brass OT-58 and die-cast aluminium
Rp 3/8, Rp 1/2, Rp 3/4 according to EN 10226
Rp 1/2÷ 2 according to EN10226
DN 65 ÷ 200 PN16 according to ISO 7005
200 mbar, 360 mbar and 500 mbar
< 1 second
230V ac, 110V ac, 24V and 12V ac and dc
50÷60 Hz, 50 Hz per 12V and 24V ac
IP 65 - IEC 529
-15% - +10%
Continuous
-20 / +60 °C