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Big Boy Hose Monster
- Perfect for Fire Flow Testing of Hydrants or Water Main Flushing
- Read your GPM flow-rate directly on the gauge face while flowing
- Uses the patented Pitotless Nozzle so you’ll never have to change out a pitot because it got hit by a rock.
- Weighs only 13 pounds yet handles high flow hydrants up to 2,700 GPM.
- Flow from your hydrant pumper port – 4”, 4-½”, or 5” Storz.
- Also flows from fire pump connections – 4", 4-½” or 5" Storz
| Item | # HMBB4 |
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The BigBoy Hose Monster™ is used for fire flow testing of hydrants, water main flushing, and fire pump testing from connections 4 Inch or larger. The BigBoy Hose Monster incorporates the patented Pitotless Nozzle™ so rocks and flushing debris pass through without causing pitot damage. It is FM Approved and measures water flow-rates from 750 to 2,700 GPM. The BigBoy Hose Monster body is made from Polypropylene and the Pitotless Nozzle is made from precision machined Aluminum.
Components (Included)
- Big Boy Hose Monster Body – Made from glass-filled Polypropylene
- Big Boy Pitotless Nozzle 4” – Measures 750 to 2,700 GPM; Factory- installed
- Big Boy GPM Gauge – Reads both GPM flow-rate and psi; 4” dial; liquid filled
Taking Flow Readings
The BigBoy GPM Gauge is calibrated to read flow-rate directly from the gauge face. No conversion chart is necessary. If you use another pressure gauge instead of the BigBoy GPM Gauge the BigBoy Hose Monster flow chart must be used to convert from psi to GPM. A 0-60 psi gauge is the most suitable range.
Specifications:
Uses: As a diffuser and flow measuring device during fire flow testing of hydrants, water main flushing, fire pump flow testingApprovals: FM Approved
GPM Min: 750
GPM Max: 2,700
Pressure Operating Range (psi): 3.6 to 53.7
Connection Size (In.): 4.0
Thread: NH (National Hose Thread)
Dimensions (In.): 21L x 19W x 9D
Ship Weight (lbs): 16
Body Material: Injection-molded, glass-filled polypropylene
Pitotless Nozzle Material: 6061-T6-511 aluminum
Warranty: 2-Year Limited Warranty
Country of Origin: United States
Hose (sold separately)
The BigBoy Hose Monster is intended to be used with a hose and should not be attached directly to a hydrant. The unit comes standard with a 4” NH (National Hose Thread) connection and can be flowed from a larger sized connection by use of our reducing hose or adapters. We offer several hose options. Your hose choice will depend on: 1) the diameter of the water source connection, 2) the thread or connection type, and 3) the hose length.Recommended Hose Options:
1. For flowing from a 4-½” NH hydrant connection:
| Item #: H45.10.4 | HOSE 4-1/2” Female NH Swivel X 10’ length X 4” Male NH Swivel |
2. For flowing from a 4” NH hydrant connection:
| Item #: H4.10 | HOSE 4” Female NH Swivel X 10’ length X 4” Male NH Swivel |
| Item #: H4.5 | HOSE 4” Female NH Swivel X 5’ length X 4” Male NH Swivel |
3. For flowing from a 5” Storz connection:
| Item #: HS5.10.4 | HOSE 5” Storz X 10’ length X 4” Male NH Swivel |
4. For Special Threads such as CSA, WCT, BCT, AMA, QST, BAT, BSP, etc.:
Adapters or Hose of various lengths and sizes are available through us. Please contact us with your specific requirements.
This is a Fire Flow Test conducted by City of Milwaukee in May 2012. The flow test device used is the BigBoy Hose Monster. It weighs only 13 lbs and measures flows from 750 to 2700 gallons per minute. GPM readings are read directly from the gauge. The BigBoy Hose Monster is FM Approved.