L. MONITOR – MG 313 (CARBON STEEL)

TECHNICAL DATA
MODEL MG 313
NOMINAL SIZE 3 Inch (80 MM)
MAX. SERVICE 175 PSI (12 Bar)
PRESSURE
MAXIMUM FLOW 800 GPM (3030 LPM)
FACTORY 400 PSI (27.6 Bar)
HYDROSTATIC
TEST PRESSURE
SWIVEL JOINT Bronze to IS 318/ASTM B62
with double row of Stainless
Steel Ball Bearing and Grease
Fittings
NOZZLE THRUST Flow in LPM X √Pressure
REACTION IN Kg. in Kg./sq.cm. X 0.0228
INLET CONNECTION 3” OR 4” (80 NB OR 100 NB)
Flange to ANSI B16.5 #150, R.F.
OUTLET CONNECTION 3” BSP (M)
MONITOR ELEVATION 90 Deg. above horizontal &
45 Deg. below horizontal
MONITOR ROTATION 360 Deg. continuous
MONITOR MOVEMENT Hand wheel driven fully
enclosed worm gear
FINISH Red to RAL 3001
WEIGHT (Approx) 45 Kg
ORDERING Specify Monitor Model
INFORMATION and Inlet Flange Size

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Description

L. MONITOR - MG 313 (CARBON STEEL)
L. MONITOR – MG 313 (CARBON STEEL)

Monitor Model- MG 313 is durable manual controlled monitor for fixed installation as well as trailer mounted unit. The monitor is generally used for protection of flammable liquid storage tanks, loading racks, dykes marine and many other Industrial application. The monitor possess several design features that provides ease of operation, minimum maintenance and resistance to normally destructive environments. The monitor is used with aspirating, non-aspirating and water nozzles with flow range upto 800 GPM (3030 LPM). The monitor has welded carbon steel 3 inch (80 MM)
waterway. All steel parts are hot dip galvanized and epoxy painted for excellent corrosion resistance. The vertical and horizontal rotation is through corrosion resistant bronze swivel joints with double row of stainless steel ball bearing. Both vertical and horizontal movements are controlled with hand wheel driven fully enclosed worm gears and protect from the elements.  The monitor has large flow capability and can be manually operated by a single fire fighter. The design ensures to prevent jet reaction forces from effecting the horizontal and the vertical position of the monitor. The counter balance s  not required to offset the weight of the nozzle. The monitor has the ability for 360 deg. continuous horizontal rotation and angle of elevation from 90 deg. above horizontal to 45 deg.  below horizontal.  The water vanes in discharge tube reduces the turbulence and friction loss, thus increasing the nozzle performance to achieve greater range. To ensure  desired performance, the friction loss through monitor must be considered while selecting the nozzle and the flow through the monitor with reference to available base pressure at inlet of the monitor. For flow and jet reach data refer monitor nozzle data sheet