Storage; Defects - Causes - Remedies; Valve Repairs; Procedure For Returning Valves - Cavagna group VIPROXY Serie Manuale Di Uso E Manutenzione

If cleaning solutions are used, verify that these are not abrasive and are compatible with:
•
the material of the valve (brass) and its component (plastic), including any labels.
•
the gas with which the valve operates.
Never use solutions containing or ammonia or flammable solutions!
Do not dip the the valve in water or other liquids.
-
Do not expose the valve to high temperatures (e.g. in autoclave).
-
Prevent cleaning substances entering the orifices of the valve
-
15

Storage

•
The valves must be stocked in clean, dry places, preferably in the packing in which they have been delivered.
•
The valves must not be stocked close to sources of heat or naked flames and must be protected against prolonged
exposure to direct sunlight.
•
The valves must not be stocked in very cold places. The temperatures limits are indicated in the "TECHNICAL
CHARACTERISTICS OF THE VALVE".
16 Defects – Causes – Remedies
DEFECT
Needle of the gauge (14) in "0" position
(version with active gauge).
Needle of the gauge (14) in "0" position
even with on/off valve (4) open (version
with non-active gauge).
Gas not supplied through hose barb (11)
(1)
Leak from:
valve/cylinder coupling.
(1)
Leak from:
filling port (7).
(1)
Leak from:
gauge (14).
(1)
Leak from:
on/off valve (4).
(1)
Leak from:
Non-return device (15).
(1)
Leak from:
low pressure safety valve (10).
Increase of outlet pressure or tripping.
No flow even if gauge (14) indicates that
cylinder it not empty
Difficulty in turning the on/off valve (4).
(1)
In the case of a leak, never attempt to tighten the leaking component or to stem the leak.
(2)
The gas supplier is required to inform Pergola s.r.l Via Statale, 11/13 - 25011 Ponte S. Marco di Calcinato (BS) Italy Tel
+39/030/9663111 of all defects notified by the end user.
17

Valve repairs.

The Valve shall be returned to Pergola S.r.l. Via Statale, 11/13 - 25011 Ponte S. Marco di Calcinato (BS) Italy, in the same condition
(cleanliness, packaging, packing in bags) as delivered.

Procedure for returning valves

The Viproxy valves to be sent to Pergola for repairs shall be labelled with an identification label stating the detected fault.
A sticker (see picture below) shall be applied to the flow selector knob (13) stating the letter(s) of the detected fault(s) as specified
by the list hereunder.
Cod. 2379446342 Rev.B6 Index 15648 - 08/2016
CAUSE
The cylinder is empty
The cylinder is empty
1. Flow selector knob (13) in "0"
position
2. On/off valve (4) not set to correct
position
Incorrect assembly of the valve on the
cylinder.
Incorrect assembly or damage to filling
port (7) and filling adapter
Damage or incorrect assembly of gauge
(14).
Damage or incorrect assembly of on/off
valve (4).
Damage to non-return device (15).
Overpressure of the pressure reducer
with fixed setting (9).
Damage to the pressure reducer with
fixed setting (9).
Damage to valve.
Damage to on/off valve (4).
REMEDY
Replace the cylinder
Replace the cylinder
1. Set the flow selection knob (13) to
correct position
2. Open the on/off valve (4)
Transport the cylinder to a well-
ventilated area and call the assistance
service of your gas supplier
Call the assistance service of your gas
(2)
supplier
Close the on/off valve (4), transport the
cylinder to a well-ventilated area and call
the assistance service of your gas
(2)
supplier
Call the assistance service of your gas
(2)
supplier
Call the assistance service of your gas
(2)
supplier
www.cavagnagroup.com
(2)
25