4″ – 4 ½” Hose Monster
The 4” and 4 ½” Hose Monsters are designed for flow testing large-capacity systems and unidirectional flushing through the steamer/pumper port of a hydrant.
- 4″ FM Approved Flow range: 1,074 GPM to 2,941 GPM.
- 4 ½” FM Approved Flow range: 1,047 GPM to 2,867 GPM.
Both units are constructed of steel and include a precision-machined internal orifice plate for accurate and consistent flow rate measurements. The rugged steel orifice plate means that a flow test will never be interrupted due to rocks and flushing debris damaging a pitot.
For thread specs not listed, call 888.202.9987 for availability
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