Red 1 1/2" combination nozzle has the option for either a fog pattern, straight stream or off. It is made out of polycarbonate with a brass stem in the middle. National Hose (NH) aka National Standard Thread (NST) is often referred to as “fire hose thread” as this is by far the most common thread in use today by fire departments.
How we conducted our nozzle testing.
We used a Honda self-priming water pump with a two inch inlet and a two inch outlet that produces 135 gallons per minute (GPM). The nozzle was attached to a fifty foot 1 1/2 inch fire hose. The pump pressure was approximately 60 psi. Gallons per minute was calculated by measuring the number of gallons a nozzle could fill a large container within one minute. The result is the GPM.
1 1/2" Hose
- Inside diameter of a male hose - 1 1/2" inches
- Outside diameter of a male NH / NST hose - 1.99 inches
- Outside diameter a male NPSH or NPT hose - 1.87 inches
1 3/4" Hose Couplings
- 1 3/4 inch hoses come with 1 1/2 inch couplings
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