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Gas Safety Shut Off Valve

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Last update:
2021-08-10 06:34
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269

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Zhejiang Sanhao Intelligent Technology Co., Ltd

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Area：Beijing

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Product Details

Gas safety shut off valve

MVDLE/5

Technical Description

The MVDLE/ 5 series safety solenoid valves are single-stage automatic shut-off valves that meet the requirements of EN 161 for gas burners and gas equipment.

- Pipe thread as per ISO 7/1

- MVDLE: Slow opening with adjustable fast stroke for start gas volume

- Flange connection as per DIN EN 1092-1

MVDLE/5

Gas safety shut off valve, normally when closed, slow opening, fast closing. Opening time adjust- ment with fast stroke range. Main volume adjustment.

Specifications
Nominal diameters Pipe thread as per ISO 7/1, Rp Flange	DN20 Rp3/4 Connection flange (PN 16) as per DIN EN 1092-1
Max. operating pressure	Up to 360 mbar (36 kPa) or up to 500 mbar (50 kPa) - refer to type overview
Solenoid valve	Valve as per EN 161, Class A, Group 2, single-stage mode
Closing time	< 1 s
Opening time	For MVDLE approx. 20 s at room temperature 20 °C and without fast stroke
Fast stroke	Adjustable
Main volume adjustment	Manually adjustable on MVDLE
Materials of gas-conveying parts	Housing: aluminium, steel, brass Seals: NBR basis
Voltage/frequency	230 V AC (+10 % -15 %); 50-60 Hz - other voltages on request Solenoids 60E, 61E in 24-28 VDC External activation of solenoid coils required, see operating and mounting instructions
Rating / power consumption	Refer to type overview
Switch-on duration	100 %
Degree of protection	IP 54, IP 65 on request
Switching rate	MVDLE…/5: max. 100/h
Measuring/ignition gas connection	G 1/4 ISO 118, on both sides in inlet section, additionally G 3/4 on input side, form size DN 40 (flange) upwards
Dirt trap	Sieve installed, mesh width 1 mm
Ambient temperature	-15 ° C to +60 °C
Installation position	Solenoid from vertically upright to horizontally lying
Closed position signal contact	MVDLE/5: Type K01/1, DIN-tested, mountable on DN 10 - DN 150
Valve proving system	Type VDK 200 A S02, mountable via G 1/4 test connection, Type VPS 504, mountable with adapter up to DN 80

Type

pmax.

DN / Rp

Solenoid-No.

Pmax.

[VA]

I max.

~ (AC)

230 V

Opening time

Dimensions

[mm]

Weight

[kg]

øa

MVDLE207/5

360

Rp 3/4

200

0,15

ca. 20 s

100

165

190

2,55

Gas solenoid valve installation

1. First of all, we should check whether the working environment of gas solenoid valve products meets the work conditions, including temperature, pressure, medium attributes, etc.Check whether the components of the solenoid valve are missing structural stability. The general coil is in the same direction as the horizontal pipe except for special models.Please check the manual carefully before installation.

2. Check the cleanliness of the working environment and internal parts, so that no visible debris, if there are large debris in the work into the solenoid valve will cause some damage to the solenoid valve.

3. In the key parts of explosion-proof gas solenoid valve device pressure gauge.And pay attention to the monitoring of the solenoid valve pipeline pressure, once exceed the standard to take the corresponding corresponding measures in time, so as to avoid unnecessary losses caused by accidents.

4. When installing the gas solenoid valve, we should see the arrow mark on the valve body, which indicates the direction of medium transmission, of course, it can be ignored in special circumstances.

5. Gas solenoid valve generally has two types of normally open and normally closed, can not be used interchangeably, otherwise it is easy to cause damage to the solenoid valve, reduce the service life of the solenoid valve.

6. Gas solenoid valve products are divided into normally closed and normally open type, do not mix the wrong use, because the wrong mixed use will make the solenoid valve product damage.It is best to have a bypass to troubleshoot in case of an emergency.

Different media should be suitable for different materials of gas solenoid valve, rational use can make it play the maximum benefit, in the choice of gas solenoid valve products to timely reflect the conditions such as working conditions, so as to select the right and reasonable model.

MVDLE 207/5

Setting the main flow