Technical Data; Model Identification; Commissioning The Device; Operations Prior To Installation - Madas EVPF/NC Manual Del Usuario

2.0 - TECHNICAL DATA

• Use
• Ambient temperature
• Supply voltages (see table 2)
• Supply voltage tolerance
• Electric wiring
• No. cycles/hour**
• Absorbed power
• Maximum operating pressure
• Total obturator opening time
(ta= 25°C Vn=230 V)
• Opening time range (on slow EVPR versions...)
(ta= 25 °C Vn=230 V)
• Protection rating
• Class
• Mechanical strength
• Flanged connections that can be coupled to PN 16 flanges : (DN 200 - DN 250 - DN 300) ISO 7005 / EN 1092-1
• ANSI 150 flanged connections
• In compliance with
* Only single-phase, the device does not work if powered with three-phase voltage.

2.1 - MODEL IDENTIFICATION

EVPF/NC : Fast opening + flow adjustment
EVPR/NC : Adjustable slow opening + flow adjustment

3.0 - COMMISSIONING THE DEVICE

3.1 - OPERATIONS PRIOR TO INSTALLATION

• It is necessary to close the gas upstream of the valve prior to installation;
• Make sure that the line pressure DOES NOT EXCEED the maximum pressure declared on the product label;
• Any protective caps (if any) must be removed prior to installation;
• Valve pipes and insides must be clear of any foreign bodies;
• Make sure the inlet and outlet counter-flanges are perfectly coaxial and parallel in order to prevent unnecessary mechanical
stress to the body. Also calculate the space to insert the seal gasket;
• With regard to tightening operations, equip yourself with one or two calibrated torque wrenches or other controlled locking tools;
• The safety regulations on handling loads in force in the country of installation must be complied with. If the device to
be installed exceeds the weight allowed, suitable mechanical equipment and adequate slings must be used. Necessary
precautions must be taken during the handling phases in order not to damage/ruin the external surface of the device.
• In accordance with EN 161, a suitable filter must be installed upstream of a gas closing safety device;
• With outdoor installation, it is advisable to provide a protective roof to prevent rain from damaging the electrical parts of
the device.
• Prior to carrying out any electrical wiring operations, make sure that the mains voltage matches the supply voltage indicated
on the product label;
• Cut off power prior to proceeding with wiring;
• According to the plant geometry, check the risk of an explosive mixture arising inside the piping;
• If the solenoid valve is installed near other devices or as part of an assembly, compatibility between the solenoid
valve and this other device must be evaluated beforehand;
• Provide protection against impacts or accidental contacts if the solenoid valve is accessible to unqualified personnel.
EVPF/NC - EVPR/NC
: non-aggressive gases of the three families (dry gases)
: -20 ÷ +60°C
: 24 Vdc - 24 V/50 Hz - 110 V/50 Hz - 230 V/50 Hz*
: -15% ... +10%
: cable gland M20x1.5
: 20 (ON time 30s - OFF time 150s)
~
: see table 2
: 360 mbar
: DN 200: 30s ± 20% - DN 250/DN300: 40s ± 20%
: DN 200: up to 45s ± 20% - DN 250: up to 55s ± 20% - DN 300: up to 65s ± 20%
: IP65
: A (DN 200) - B (DN 250 - DN 300)
: Group 2
: on request
: Directive EMC 2014/30/EU - Directive LVD 2014/35/EU
RoHS II Directive 2011/65/EU
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Madas Technical Manual - 1|1.2e - REV. 0 of 10 May 2018
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