PREVENT[m]s – methane gas safety system

General Details

Detector

Certified quality– the detector holds a Kitemark Certificate issued by British Standards Institution according to the BS EN 50194-1:2009 standard

Simple design– friendly shape, easy to integrate in any home design

Dedicated– the device is designed to detect accidental methane gas leaks at a level much lower than the Lower Explosion Limit

Double alarm– provides both a visual alarm (red light) and an audible alarm (buzzer)

Configurable– designed to be installed as either a single detector with one solenoid valve or multiple detectors for the same valve

Auto-diagnostic– contains an auto-diagnostic system for checking the sensor’s good condition. The yellow light turned on, together with the sound alarm, indicates a possible malfunction of the detector

Test/Reset– the detector features a double-purpose button: in normal working conditions it allows the user to periodically test the detector, and while the alarm is triggered, the button can be pressed to stop it.

Solenoid Valve

Normally open/closed safety solenoid valves with manual reset. e closing/opening function is
electrically activated.
This type of device connected to one or more methane gas detectors and/or carbon monoxide
detectors, is suitable for performing locking operations on the gas line.

An incorporated ne mesh lter protects the valve seat and disc as well as downstream components
and prevents dirty contamination (except brass models). All components are designed to withstand
any mechanical, chemical and thermal condition occuring during typical service. Eective
impregnation and surface treatments have been used to improve mechanical sturdiness, sealing and
resistance to corrosion of the components.
Valves are 100% tested by computerized testing machineries and are fully warranted.

Technical Info

Detector

Sensor: Semiconductor SnO2
Power supply: 230V AC (-15% +10%) 50/60Hz
Power absorbed: 3VA
Detected gas: methaneSensitivity: 3% – 20% LEL
Alarm set point: 9% LEL
Initial delay time: 2 min 30 sec
Indicators: Green LED: Power supply
Red LED: Visual alarm
Yellow LED: malfunction
flashing every 10 sec – normal operation
BUZZER: acoustic alarm – min. 85 dB at 1m
Sensor lifetime: 5 years
Contact ratings: 8(2)A @ 250V AC SPDT or 3A @ 250V AC SPST (optional)
Operating temperature: -10°C ÷ +40°C
Storage temperature: -20°C ÷ +50°C
Humidity limits (non-condensing): 20% – 90% rh
Protection Grade: IP 42
Case material: ABS V0
Color: white
Size: 115 x 75 x 43 mm (W x H x D)
Weight: 300g

Solenoid Valve

Connections :
Gas threaded ISO 7/1 from Rp3/8 to Rp2 ½
Flanged PN16 – ISO 7005 from DN40 to DN300
Voltage rating: 230 VAC 50/60 Hz
110 VAC 50/60 Hz
24 VAC; 24 VDC
12 VDC
Voltage tolerance: -15% / +10%
Working temperature: -15°C/+60°C
Max. operating pressure: 600 mbar (60 kPa)
6 bar (600 kPa)
Closing time: < 1 sec.
Filter (except brass models): 600 μm, metal mesh
Protection grade: IP 54 (EN 60529)
Cable gland: PG 9
Coil winding insulation: Clasa H (200°C)
Coil thermal resistance: Clasa F (155°C)
Materials in contact with gas: Aluminum alloy, Brass,
Stainless steel, Plated steel, Anaerobic adhesive,
Nitrile rubber (NRB), Polytetrauoroethylene (PTFE)

 

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