selection of branches is a function of its end use in the high-rise environment. these branches produce a solid, uniform and continuous jet of water throughout its working range. these are capable of producing a range of outlet patterns ranging from a (close approximation of a) solid stream up to wider cone spray patterns and fog. these may be many and varied and include foam making, basement branches, fixed and mobile monitor and high pressure cutting lances most modern branches have some form of hand control systems that enable control of flow rate and (if appropriate) spray pattern. discharge flow rate can be observed to fall drastically with these lower pressures. this may be down to wear or servicing issues, but branches should be trialed and selected on actual performance as well as its expected design criteria.
add to this the common use of 45mm hose lines, it is imperative that branches be specified that can deliver an optimum flow rate at lower pressures. conventionally they had 19mm nozzles and would provide an unrestricted, uncontrolled flow consisting of a solid jet. it may be argued that some uk frs lost sight of the requirement for branches to be also able to flow reasonable amounts of water. fire-fighters need to be provisioned with a selection of hand controlled branches (or if possible one branch) that can provide very high flow, even at low input pressure, and variable spray patterns. even with this flow rate 2 main jets may have to be simultaneously available and working to actually fire-fight a multi-compartment fire. a well balanced attack may consist of 2 hose lines, one terminating in a smooth bore branch (19-22mm) and a suitable low pressure/high flow combination branch.
different types of firefighting branches and nozzles for various applications are manufactured by us. this can be fitted with a choice of nozzles suitable to flow and operational requirement. or ss304, aluminium versions (non-isi) also available material of construction : g.m./ ss304/ aluminium the fog nozzle is ideal for fires that give out large amount of heat, and hence require extensive cooling. manufactured as per indian standard (bis) is:952 the hand control nozzle is used by many municipal and industrial fire brigades for firefighting. because of ease of operation, and limited back-thrust, it is fast replacing the standard short branch in the industrial sector. the multipurpose (curtain) nozzle is popular throughout the world as the basic firefighting nozzle as it is low in weight, has lower flow rates, and a shut-off facility.
select flow nozzles give the operator control not only over the discharge pattern, but also the flow, which can be regulated through a flow rate ring, provided on the branch. flow range – 160 to 600 lpm, pressure range – 3.5 to 7 kg/cm2 item description : gun metal 63mm select-o-flow nozzle capable of giving hollow jet, spray and fog with control flow, nozzle has been chrome plated and with pistol grip handle. item description : 63mm constant flow nozzle with on/off control and jet & spray arrangement with pistol grip handle. different types of firefighting branches and nozzles for various applications are manufactured by us. provided with 63 mm male instantaneous inlet, different inlets and sizes can be provided on request. available in different capacities, with portable and fixed options. made as per indian standard (bis) is: 906, available in different capacities/ range, and with coupling/ flanged connection.
these branches produce a solid, uniform and continuous jet of water throughout its working range. they can have a variety of nozzle output sizes (diameter) fire fighting equipment water movement & supply:- branches, nozzles, controlers, monitors. branches & nozzles:- fire fighting branches & nozzles selecta different types of firefighting branches and nozzles for various applications are manufactured by us. these are manufactured to strict quality standards and, fire branches and nozzles pdf, fire branches and nozzles pdf, fire nozzle types pdf, hand control branch, tft branch.
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