HLZS-Manual Reset G1/2 Inch G3/4 Inch Natural Gas Emergency Shut Off Valve For Home Combustible Gas Automatic Gas Valve Solenoid

HLZS-Manual Reset G1/2 Inch G3/4 Inch Natural Gas Emergency Shut Off Valve For Home Combustible Gas Automatic Gas Valve Solenoid

List Price: US $12.52
Price: US $9.14
You save: US $3.38 (27%)
Specification:
DN15
DN20
List Price: US $12.52
Price: US $9.14
You save: US $3.38 (27%)
item specifics
Structure:
Other
Power Source:
AC
Standard or Nonstandard:
Standard
Material:
Other
Pressure:
Medium Pressure
Port Size:
G1/2 inch ,G3/4 inch
Model Number:
DN15 / DN20 valve
Temperature of Media:
Medium Temperature
NC or NO:
Normally Closed
Actuator Mode:
With Manual And Instruction
Power:
Pneumatic
Media:
GAS
Product description

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Operation instruction

1. There are two ways to close the valve:

(a)An electric impulse of 1 sec (DC 9V),or

(b)Press the red knob (must open the protective cover first ). After this operation, the valve remains closed.

Note: the protective cover must remain on position at all time.

2. When the valves is closed,manually pull the red knob up to turn it on .then the valve remains on.

Note:the valve may not to be pulled up if gas pressure on both sides(inlet and outlet) is not balanced. Take necessary action to ensure that they are balanced ,then pull the knob up again,force pulling it may result in damage to the valve.

3. The valve will close automatically when it detects strong vibrations. Should this feature fails, notify the contractor or manufacture for repair.

4. After closing ,careful inspection is required.Do exercise caution when the valve needs to be turned on again.

Installation Requirements

1. Only request contractor can install this valve.

2. The valve must be installed after the indoor main valve.

3. A valve should be installed in the gas flow direction marked on the valve body. The coil must not be placed in downward position A valve may be installed horizontally or vertically.

4. the valve control wires should be connected correctly. White indicates positive while black stands for negative. Mismatch lends to fatal consequences.

5. During pipe maintenance, such as pressurized pipe cleaning .the valve should removed to avoid damages to the valve sealing.

6. During pressure tests, the valve should be turned on.

7. The valve’s opening knob can be pulled up when equal pressure have been reached at the inler and the outlet of the valve.

8. Wrong polarity, wrong voltage or prolonged power on may damage the electromagnetic coil.

9. Our guarantee does not include any damage to the valve or loss of parts due to keeping or actions in violative regulations.

Material:Metal

Pressure:Medium pressure

Temperature of Media:Medium Temperature

Port Size:G1/2 inch ,G3/4 inch

Standard or Nonstandard:Standard

Media:Gas

Power:Manual

Structure:Control

Model Number:DN15/DN20

Power Source:DC

Form:wire type

For:Gas

Color: silver

Operating Temperature:-10~50°C

Orifice:14mm/16mm

Turn on:manual

Alose time: less than 1sec

Working pressure:0-0.5bar

Voltage:DC9-24V

Introduction

The valve is a series of gas emergency shut off solenoid valves, specially designed as gas pipe breaker for emergency use . It can be connected with gas leaking detection sensor ,fire alarm circuit or other intelligent sensor modules so that on site or remote shut down on gas supply (manually or automatically) is possible , hence ensuring the safety on gas usage .the valve features an auto-close when strong vibration is detected .After close,manual operation is required to turn on the valve. This feature meets safety regulations in the event of an accident.

Specification

Closing modes: current impulse or manual

Sealing material:NBR rubber

Explosion proof mark:Exmb twoT4

Pressure max :10kpa

Lead wire :0.4m

Turn on :manual

Wiring Requirements

1.Cable:dual core.3 * 0.75mm2 Or above

2. Length of cable less than 50meters

Package Content:

1* The electromagnetic valve
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.



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Payment

1) We accept Multiple payment methods and any you can pay on AliExpress.

2) Escrow is the best secure payment for you.

3) This is the payment help center: http://help.aliexpress.com/categories_Payment.html.

Shipment

1) Drop Shipping

We support drop shipping, we can send your order to your client’s, please leave your licent’s address when your place the order.

2) Delivery Time

AliExpress Standard Shipping: In the product page to select your country would prompt transportation Time: Estimated Delivery Time: XXX-XXX day

Kindly notice: Because of customes and weather, maybe sometimes it will delay some time, but we will extend the delivery time for for you, so please wait some more time patiently.

3) Custom Duty or Import Tax

The list price not include any tax, buyers are responsible for custom duty or import tax in your country.

Warranty and Guarantee

1) All items are brand new and passed the quality check.

2) If you are not satisfied when you receive it and want to return, please return it within 3 days for a replacement or money back.The returned shipping cost needs to be paid by the buyer.

Please contact us before you return it. (but the item must be its original condition like we sent to you)

Feedback

We will try our best to provide you with good service.

If you have any question, please kindly contact us, we will reply you within 24 hours.

Expert review
HLZS-Manual Reset G1/2 Inch G3/4 Inch Natural Gas Emergency Shut Off Valve For Home Combustible Gas Automatic Gas Valve Solenoid.
expert
Review by: Rob T.
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Overall Rating
Review Summary
To my incredible happiness, the item exceeded all the expectations and ended up to be a great thing to obtain.
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