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HD Fire Monitor M 311, Galvanized Carbon Steel, 3 inch, FM Approved
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HD Fire Monitor M 311, Galvanized Carbon Steel, 3 inch, FM Approved

FM ApprovedGalvanized carbon steel3 inch12 barVARSHA 40 nozzle

A 3 inch hot dip galvanized carbon steel monitor that one person can deploy, for fixed installation or trailer mounting. It is FM Approved with the VARSHA 40 master stream nozzle.

  • FM Approved with VARSHA 40 nozzle at 1500, 1900, 2270, 2650 and 3030 lpm (400 to 800 gpm)
  • Maximum operating pressure 12 bar (175 psi)
  • Bronze swivel joint with double row of stainless steel ball bearings and grease fittings
  • 360° continuous horizontal rotation, +90° to -45° vertical elevation
  • Handle with manual lock, outlet threaded 3 inch BSP male

Standards and approvals: FM Approved, FM approved

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Download the official HD Fire catalogue (PDF, 16.0 MB)

Specifications

Specifications
SpecificationM311
MODELM311
NOMINAL SIZE3 inch (80 mm)
MAX. SERVICE PRESSURE175 psi (12 bar)
MAXIMUM FLOW800 gpm (3030 lpm)
FACTORY HYDROSTATIC TEST PRESSURE400 psi (27.6 bar)
SWIVEL JOINTBronze to IS 318 / ASTM B62 with double row of Stainless Steel Ball Bearing and Grease Fittings
NOZZLE THRUST REACTION IN KGFlow in lpm X √pressure in kg/sq.cm X 0.0228
INLET CONNECTION3”or 4” (80NB or 100NB) Flange to ANSI B16.5#150, R.F.
OUTLET CONNECTION3” BSP (M)
MONITOR ELEVATION90 deg. above horizontal & 45 deg. below horizontal
MONITOR ROTATION360 deg. continuous
MONITOR MOVEMENTHandle with twist lock
FINISHRed to RAL 3001
WEIGHT (Approx)35 kg
ORDERING INFORMATIONSpecify Monitor Model and Inlet Flange Size
APPROVALFM Approved

Specifications as published by HD Fire. Please confirm the exact model with us before ordering.

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