POK FIRE HOSES(3)
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With a pump outlet, the divider is used to supply several pressurized water lines. The most commonly used dividers have 2 or 3 outlets and are equipped with quick couplings at the inlet and outlets. Dividers are usually equipped with shut-off valves on each outlet to open or close the water supply or to switch equipment. With a pump outlet, the divider is used to supply several pressurized water lines. These dividers exist with several valve models, either ball valves, clappered valves or full water way valves. The most bulky are the full water way valves followed by the clappered valves. Dividers with full water way valves are the most expensive to build, but apart from their size they have the advantage of straight-through flow, which means less pressure drop (pressure drop). die-cast aluminum alloy The same applies to ball valves, which have a full passage through the fluid stream. Apart from the question of cost, what differentiates them is the slow closing of the clappered valve, thus avoiding water hammer (overpressure in the upstream pipelines), as in the case of ball valves, as for clappred valves, water hammer can be avoided by ensuring gradual closing, which is what the German and American fire brigades do. These dividers are equipped with feet that maintain a horizontal position on the floor As for the French firemen, POK has never observed them bending to close a ball valve, it is by kicking on the handle that they operate. The plastic spheres of the Americans are not resistant to this, nor are even the operating handles, which is why the company builds its handles out of die-cast aluminum alloy that does not break on impact. These dividers are equipped with feet that maintain a horizontal position on the floor. valve divider manufacturing These feet were in the shape of an inverted truncated cone in which the company discovered a disadvantage; when falling on the ground the part of the foot intact with the body of the divider can create a crack on the body leading to the explosion and the uncoupling of the foot with the body when the divider is put in water. To avoid this inconvenience POK has modified the shape of the foot to transfer the break in the middle of the foot. All of POK’s valve dividers with a mass of more than 3.5 kilograms are equipped with this device, giving our valve divider manufacturing an excellent safety of use. Both the inlet and the outlets of the company’s valve manifolds are threaded, which makes it possible to attach all types of fittings with all diameters from DN20 to DN200 and two valve outlets up to five outlets. In large valve diameters, beyond DN100, the valves are equipped with reducers for smoother operation. meet all needs All these dividers are made of aluminum alloy which makes them very light. There are, however, some exceptions such as the US NAVY divider built in bronze, a bronze specified by the US Navy. Customers will find at POK a complete range to meet all of the customer’s needs and ideas.
To meet the ever-increasing demand from firefighters for automatic nozzles, POK® has carried out in-depth work in partnership with professionals to create a nozzle perfectly adapted to the evolution of fires in confined spaces. It is from this work that was born the latest Legend 500 nozzle, made of aluminum alloy. It features an ultra-compact pressure regulation system, as well as a flow selection system with an indexed operating handle. Its diffuser head with cut teeth in aluminum alloy, offers the possibility to adjust the jet to three positions (straight jet, attack jet, wide spray jet). Extinction Of Electric Fires This nozzle is perfectly adapted to the ‘Pulsing’ technique, it allows firefighters to carry out the ceiling test with very little recoil and a quality of fine droplets allowing very efficient work in urban fires. To unlock the full jet, the user must operate a trigger under the nozzle With the Legend nozzle, Pok has succeeded in achieving the same weight and size as a conventional nozzle of the same flowrate, i. e. approximately 2.5 kg depending on the connection. The Legend nozzle is available in several versions including a nozzle allowing the extinction of electric fires. This version is equipped with a safety device that prevents the nozzle holder from accidentally passing through a full jet. To unlock the full jet, the user must operate a trigger under the nozzle. Ensuring Superior Foam Quality It is also possible to have on the Legend nozzle a flow control valve at 250 l/minute. Equipped with this device, the user cannot exceed this flow rate, which allows him to work on specific fires such as boat fires for example. Finally, there is also a version of the Legend nozzle with a diffuser head equipped with a turbine. This ensures superior foam quality when the Legend lance is equipped with a foam adapter. The Legend nozzle has become the reference for automatic nozzles in France. Many fire brigades or administrations have trusted the latter to equip their teams.
POK recently unveiled its state-of-the-art firefighting robot, Jupiter and held live demonstrations in collaboration with Nogent-sur-Seine firefighters. Jupiter has been designed for use in confined spaces and has mastered reverse and 360-degree pivoting. Thanks to this firefighting robot’s progressive speed control, it is very easy to control and maneuver it around obstacles. The particularly low center of gravity of Jupiter increases its grip on all types of grounds. Jupiter firefighting robot Jupiter will cross the obstacles and climb as many stairs as necessary without any difficulty. It can pull 60 meters of DN65 type pipes with water. At night or when visibility is difficult, LED spotlights allow a range of 50 meters. In total darkness, the high-resolution LED camera allows perfect use at night. When empty, Jupiter weighs 260 Kg, and with its monitor lance it can support a weight of 310 Kg. Whatever its load, its maximum speed is 2.6 km/h. Concerning its autonomy, Jupiter can be delivered with as many batteries as necessary, knowing that a battery allows it to work two hours in total autonomy. Easy operation and maneuverability There is only one operator required to operate Jupiter without any hassle. Learning to use this device is easy and its use is intuitive. Operatives will find all its technical characteristics summarized in the product brochures. On Sunday, September 22, 2019, the Nogent-sur-Seine firefighters opened their doors to the public to explain their mission and present their work tools. On this occasion, they took all their vehicles out, along with the Jupiter of POK accompanying them. With her driver’s license, one of the operators, Sylvie was able to lead the demonstrations and help put out a fire. Indoors, the POK stand presented interesting products and reminded the public that POK recruits for all types of jobs.
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