The Test and Drain Valve Is an Essential Component of a Fire Sprinkler System

A test and drain valve is an essential component in any wet fire sprinkler system. The test function allows a quick and safe drain of the system, while the drain function assesses the flow of water through the system. The valve is typically built to meet specific codes and should be installed near the main check valve. If the valve is installed in an unheated space, provisions must be made to drain all parts of the system, including the riser and main check valve.

It makes a line of test and drain valves that includes models that are designed specifically to provide the test and drain function. The valve's design allows it to replace the entire floor control loop assembly with one valve. Designed and manufactured in the USA, the Test and Drain Valve offers pressure relief and complies with NFPA 13D requirements.

The Test and Drain Valve is a crucial component of a combination sprinkler/standpipe system. Using a test and drain valve, an alarm will sound on the floor in the event of a fire. To test the system, connect the valve to the drain riser. Once connected, you should observe the water flow for 90 seconds using a sight glass plug. The alarm system and panel should set off within the same time.

The Test and Drain Valve serves a dual purpose. When a fire sprinkler system is under test, the valve will drain all unnecessary fluids. It is designed to function properly both as a drain valve and a test valve. The main advantage of this valve is that it serves two distinct purposes. Its dual purpose allows it to drain the system when needed, while facilitating the testing process. However, users must pay attention to the size of the line. Make sure that the valve's diameter matches the size of the sprinkler's orifice.

A valve is an integral part of the Sprinkler System. It must be installed downstream of the floor control valve. It must also be connected to the drain riser. The Test and Drain Valve is designed to withstand pressures of up to 300 psi. Despite its name, this valve has the dual advantage of being a convenient multi-functional device. It helps prevent over-pressure in sprinkler systems and reduces the amount of water used during testing.

A Test and Drain Valve should contain a sight glass to confirm the active flow of water through it. Its orifice can range from 1/2 inch to 17/32 inch, depending on the pressure rating of the wet pipe sprinkler system. Make sure the Test and Drain Valve matches the working pressure of the sprinkler system. It should also be compatible with the equipment and the operating requirements of the system. You can find a suitable Test and Drain Valve with the assistance of the internet.


1.5“FNPTX1.5“FNPT With Exhaust Angle Valve

Product Details

Location:	China
Business Type:	Manufacturer, Exporter
Brands:	Xunzhi, OEM
Certificate:	CE, ISO9001:2015 and etc.
Terms of payment and delivery:	Pay 30% deposit before producing and70% balance against copy of documents
Minimum order quantity:	No minimum 
Price:	Consultation
Packing details:	Box Packages
Delivery time:	10~25days
Payment method:	Common way is by T/T. L/C is also acceptable.