What are the components of a fire extinguishing system?

Fire extinguishing system materials consist of valves, fittings, and line equipment that control the flow in the fire line. Product selection varies according to the project.

In fire lines, butterfly valves, gate valves, check valves, and in some applications, ball valves are most commonly preferred. The choice depends on the diameter, pressure, and intended use.

What is the difference between a fire cabinet valve and a standard valve?

Fire cabinet valves are selected according to their intended use; different body/handle/connection types may be used in some applications compared to standard valves. Line type and connection dimensions should be considered when selecting the correct product.

How to select PN and DN connectors in a fire extinguishing system?

DN indicates the pipe diameter, and PN indicates the pressure rating. The selection of DN/PN for fire lines is made according to the project and operating pressure; the correct selection is critical for safety and longevity.

What is the function of a check valve in a fire alarm system?

Check valves prevent backflow. They are used to protect the line at pump outlets and points where backflow is undesirable.

Is a dirt trap (filter) necessary in the fire line?

Strainers protect equipment such as valves and pumps by trapping sediment and particles in the line. They are especially recommended before sensitive equipment.

In fire extinguishing systems, are butterfly valves or gate valves preferred?

Butterfly valves can be practical and economical for large diameters; gate valves are preferred in some applications. The correct product should be selected according to project requirements.

Should a flanged or threaded connection be used in a fire alarm line?

Flanged connections are common in fire lines where high flow rates and secure connections are required. Threaded connections can be used for smaller diameters; they are selected according to project and standards.

Are fire protection system products that are in stock shipped the same day?

Yes. For items in stock, shipping is done the same day.

What time does same-day shipping close?

Orders for same-day shipping are processed until 4 PM.

Do you offer hand delivery within Bursa?

Yes, hand delivery is possible within Bursa. Please contact us for delivery details.

Where can I buy fire protection system materials in Bursa Nilüfer? Do you ship to Türkiye?

Astel Mechanical Installations sells fire protection systems, primarily based in Bursa/Nilüfer, and provides sales and delivery to all provinces of Türkiye.

Is there a discount for bulk purchases?

Yes. You can get a discounted price for bulk purchases by submitting your order through the "Get a Quote" form. We also offer seasonal surprise campaigns and brand-specific discounts.