How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Fire-Fighting Hose Threads
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About Flow-Adjustment Valves
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Threaded Flow-Adjustment Valves with Fire-Fighting Hose Fittings
- Valve Type: Gate
- For Use With: Water
- Seal Material: Buna-N Rubber
Connect these valves to fire hydrants, fire pumps, and fire hoses to adjust the flow of water. Ideal for fighting fires, their internal gate allows unrestricted flow when fully open, unlike globe valves. However, you should only use these valves in emergencies when full flow is needed—they get damaged by throttling over time. They have a nonrising stem that stays in the same spot whether they’re open or closed.
Valves with a speed handle can be turned with one hand, unlike valves with a wheel handle. Quickly connect the fittings to hydrants, pumps, and hoses with the easy-to-grip pin lugs on the sides. Tighten them with a hook-style spanner wrench. To prevent kinking when you’re connecting a hose, the fittings swivel until tightened. These valves are red so people know they’re fire valves.
For technical drawings and 3-D models, click on a part number.
| Fire Hose Trade Size | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Stem Type | Each | |
NH/NST Female Inlet with Pin Lugs (Swivels Until Tightened) × NPSH Male Outlet | |||||||
|---|---|---|---|---|---|---|---|
| 2 1/2 | Not Rated | 175 psi @ 72 ° F | 32° to 100° | 4 13/16" | Nonrising | 0000000 | 0000000 |
Diverting Valves with Fire-Fighting Hose Fittings
- Valve Type: Ball
- For Use With: Water
- Seal Material: Buna-N Rubber
Control the flow of water in two directions from a single source—these diverting valves have two balls and handles for independent operation of each outlet. They can direct flow to one side outlet at full capacity while shutting off flow to the second side outlet, direct flow to both side outlets at reduced capacity, or shut off flow to both side outlets. Valves have a brass body for good corrosion resistance. They are for use with fire-fighting hose.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
Male NPSH (National Pipe Straight Hose) threads are compatible with female NPSH threads. Female NPSH threads are compatible with male NPSH, NPT, NPTF, and NPSM threads.
For technical drawings and 3-D models, click on a part number.
| Inlet Pipe Size  | Outlet Pipe Sizes | Flow Pattern | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Each | |
Brass Body | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2 1/2 | 1 1/2 × 1 1/2 | Y-Pattern | Not Rated | 300 psi @ 150° F | -20° to 150° | 5 5/8" | 000000 | 0000000 |
Spray and Stream Nozzles for Fire-Fighting Hose
Twist the barrel to adjust water flow. Nozzles have a textured barrel for grip and a rubber bumper for impact resistance.
Polycarbonate nozzles are durable and lightweight.
Brass nozzles are more durable than aluminum nozzles.
Aluminum nozzles are lighter than brass nozzles.
For technical drawings and 3-D models, click on a part number.
Nozzles | Replacement Gaskets | ||||||
|---|---|---|---|---|---|---|---|
| Pipe Size | Flow Rate | Dia. | Lg. | Each | Each | ||
NPSH Female | |||||||
Polycarbonate | |||||||
| 3/4 | 8 gpm @ 100 psi | 2 3/4" | 4 3/4" | 00000000 | 000000 | 00000000 | 00000 |
| 1 | 22 gpm @ 100 psi | 2 3/4" | 4 3/4" | 00000000 | 00000 | 00000000 | 000 |
| 1 1/2 | 75 gpm @ 100 psi | 2 3/4" | 4 5/8" | 00000000 | 00000 | 00000000 | 0000 |
| 2 | 140 gpm @ 100 psi | 3 1/4" | 5 3/8" | 0000000 | 00000 | 00000000 | 0000 |
Brass | |||||||
| 1 | 36 gpm @ 100 psi | 2" | 3 1/4" | 0000000 | 00000 | 000000 | 00 |
| 1 1/2 | 95 gpm @ 100 psi | 2 1/2" | 3 1/2" | 0000000 | 00000 | 0000000 | 0000 |
| 2 | 108 gpm @ 100 psi | 3" | 5" | 0000000 | 000000 | 000000 | 00 |
UL Listed Brass | |||||||
| 1 1/2 | 95 gpm @ 100 psi | 2 11/16" | 5 13/16" | 0000000 | 000000 | 000000 | 00 |
Aluminum | |||||||
| 1 | 24 gpm @ 100 psi | 2 3/4" | 4" | 0000000 | 000000 | 000000 | 00 |
| 1 1/2 | 60 gpm @ 100 psi | 2 3/4" | 4 1/2" | 0000000 | 000000 | 000000 | 00 |
Quick-Flow Stream Nozzles for Fire-Fighting Hose
There’s no shut-off valve on these nozzles, so they provide instant water flow.
For technical drawings and 3-D models, click on a part number.
Lever-Activated Stream Nozzles for Fire-Fighting Hose
Use the lever to turn water flow on and off. A rubber bumper provides impact resistance.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Flow Rate | Dia. | Lg. | Spray End Dia. | Each | |
NPSH Female | ||||||
|---|---|---|---|---|---|---|
Brass | ||||||
| 1 1/2 | 75 gpm @ 100 psi | 3 1/4" | 9 1/2" | 1/2" | 000000 | 0000000 |