Sffeco produces various types of landing valves such as screw oblique landing valve, flanged oblique landing valve, screw right. It dictates that dry risers should have an operating pressure of 12 bar and be v isually inspected every 6 month and tested annually. Firefighting water pipes must be fastened in accordance with din 1988200. Hv002 pn16 65mm landing valve hv003 pn16 65mm right angled valve hv004 pn16 65mm oblique valve. Dry risers shawston are recognised as the marketing leading multi depot fire protection distributor in the uk. Dry riser system outlets dry riser tate valves act as outlets the riser main these valves utt. Gate pattern dry riser landing valve mafco fire fighting. Kolling 2 way and 4 way inlet breeching are manufactured to bs 5041.
Hydraulic calculation of wet and dry risers, hoses and branches. All dry riser equipment we supply conforms to the stringent requirements of bs5041 andor lpcb. If there is doubt that your buildings water pressure will be insufficient for firefighting purposes, a dry riser is preferred. The range includes bibnose globe pattern landing valves and our dry riser gate valves and also our inlet breeching dry riser available to order with peace of mind. The valves are situated on each floor building and are usually installed in. Air release valve the valve fitted at the highest point of the dry riser to provide automatic bleeding of air from the.
Oblique landing valve, flanged inlet oblique landing valve, male threaded inlet pressure reducing landing valve. The inlet is fitted with a drain valve to drain water from the dry fire main at the end of operations. Building containing 4 stacks of dry riser mains new labelling format remarks dr 14 dr 24 dr 34 landing valves dr 44 the first number 1, 2, 3,4 indicates the stack of landing valve. Our dry riser product offering is unrivalled and includes the innovative 70 bar thin wall riser tube. Landing valve boxes for dry risers are manufactured to bs 5041 pt.
Design and layout newer installations are controlled by building regulations and british standards. Our dry riser landing gate valves are tough, durable and corrosion resistant, and precision machined for a watertight seal when shut off. At the top of dry riser pipework an air valve is provided to allow air in the dry riser to escape when the riser is charged with water. The valves are situated on each floor of a high rise building and are usually housed in an outlet cabinet. Specification for landing valves for wet risers bs 2767. Ae 65mm gunmetal gate pattern dry riser landing valve comes with female bspt screw fig. Fire hydrant systems equipment specification for inlet breechings for dry riser inlets. Rising mains in buildings can be either filled with water wet riser or left dry dry riser. Dry riser systems are installed complete with an inlet breeching connector at ground floor or at fire service access level and with landing valves at specified points on each floor dry riser systems are installed up to 50m above the fire service access level an air release valve is fitted at the highest point to enable the riser to be fully. At the top of the vertical pipework a dry riser air release valve is fitted to allow the air within the pipework to escape when pressurised water is introduced via the inlet breeching. Specification for landing valves for wet risers 1987. The lock shield valves are installed usually in the fire hose reel. Bs 5041 and are available in thread or flanged end inlet and outlet in.
Dry riser landing valve with flange viking group inc. Designed to house inlet breechings and landing valves. Fire hydrant valves landing valves flowstar uk limited. At the top of dryriser pipework an air valve is provided to allow air in the dry riser to escape when the riser is charged with water. They are widely used in water hydrants and firefighting applications in the united kingdom. Inlet reeching an assembly comprising inlet connections and a drain valve, normally fitted within an inlet box. The window is complete with dry riser identification as per bs 9990. An air release valve is fitted at the highest point to enable the riser to be fully charged. The last number 4 indicates the total number of stacks of the dry riser. Landing valves need to be manufactured to bs5041 part 2, from gunmetal with screwed inlet connections to bs4504. The valves are situated on each floor building and are usually installed in cabinet. Typically, a wet riser is installed up to and over 50m. Landing valves should be provided with leather strap and padlock to ensure they are normally closed. The design and construction of the gate valves are strictly in.
Except for the inlet valves breechings and outlet valves landing valves, installation of any further shutoff elements into dry firefighting water pipes, i. Dry riser landing valves are outlets from the riser main. Safety plus is focused on bringing reliable quality products at reasonable price to market that make our customers obtain more value from our business. We also stock low pressure globe pattern landing valves for special systems, and high pressure regulating valves for hydrants. Landing valves dr 1 dr 2 dr 3 breeching inlets dry riser inlet 1 dry riser inlet 2 dry riser inlet 3 2 similarly, for the identification of control valves of sprinkler system, it is also required to be labelled under the cp 52 automatic fire sprinkler systems. Each drawoff point from the dry riser is fitted with a landing valve, situated in a recess or cabinet. This manual fire alarm system break glass type is not required to be. An inlet breeching at ground level provides the connection to the water supply. We are the leading manufacturer of fire fighting appliances and fire suppression systems in malaysia.
Introduction dry riser landing valves are outlets from the riser main. Standard for the installation of standpipe and hose systems. This valve is generally intended to be installed in a building dry riser system. It is a vertical pipe intended to distribute water to multiple levels of a building or structure as a component of the fire suppression systems. Dry risers in the uk must be designed and installed in accordance with bs 9990. For example, labelling of sprinkler system containing 3 number of control valves is. A vertical pipe installed in a building for fire fighting purposes, fitted with inlet connections at fire engine access level and landing valves on various floors, which is normally dry but is capable of being charged with water usually by pumping from fire engine. An air release valve is installed at top of riser to permit all air in the pipe work to be released as water is pumped into the pipe work.
It dictates that dry risers should have an operating pressure of 12 bar and be v isually inspected every 6 month and tested annually when do you need dry risers. Gate pattern dry riser landing valve associated enterprises. Landing valves landing valve are invariably constructed of gunmetal with a flanged inlet and should be designed to bs 5041 part 1 fire hydrant systems equipment. Landing valve landing valve landing valve box a dry riser system dry riser landing valve box external wall dry riser inlet breeching dry riser inlet box with glazed door flanged tee piece 25mm drain valve optional part no. Gunmetal gate pattern dry riser landing valve comes with female bspt screw, male bspt screw and flange inlet connections. Foam inlet and dry riser boxes are manufactured to bs 5041. A full range of inlet breechings, landing valves and cabinets for wet and dry rising mains systems. The boxes are locked and have a glass panel that can be broken to gain access to connect the fire hose. Bs 9990 outlines recommendations for nonautomatic firefighting systems in buildings.
The current standard for the installation and maintenance of dry riser systems is bs9990. Naffcos pressure reducing oblique landing valves are suitable for installation on wet risers in buildings for fire fighting purposes, permanently charged with water from a pressurized supply. Dry riser equipment and spares datasheet fpc datacentre. It covers good practice in matters affecting the design, installation, testing and maintenance of wet and dry.
Landing valves are normally housed in outlet cabinets, which are either recessed or surface mounted onto the wall of a building. Dry fire main water supply pipe installed in a building for firefighting purposes, fitted with inlet connections at fire service access level and landing valves at specified points, which is normally dry but is capable of being charged with water usually by pumping from fire and rescue service appliances. They can be used in multistory buildings where a fire fighting system should be available for fire brigade use. Standard specification for housing projects part i houses and apartments standard specificationministry of housingkingdom of bahrain standard specificationministry of housingkingdom of bahrain. The outlets are to bs336 and come complete with cap. At 40% lighter than the regular heavy galvanised riser tube, this innovative riser tube is fully test certified, pregrooved at. Kimty provides landing valves suitable for use with both systems that are to be installed on every floor requiring riser. Our valves are designed and made to a high standard in corrosive resistant materials to allow easy installation and a long life span, an integral part of most modern buildings the dry riser valves allow control of the water flow at high pressures and still allow easy. The landing valve should preferably be located inside an easily recognisable red metal box with a glass panel, labelled dry riser. The valve will close automatically under water pressure.
Dry riser inlet box at park street car park in cambridge, united kingdom a dry riser is a normally empty pipe that can be externally connected to a pressurised water source by firefighters. The most commonly installed landing valves are either. A wet riser system is installed with a landing valve at prespecified locations on each floor. Landing valves are an important source of water which is crucial for fighting fires on any level of your building. The cabinets will be either horizontal or vertically mounted. The opening of the valve is controlled which restricts the volume of water and thereby lowers the pressure of water valves are similar to standard landing valves but with a specially designed mechanism incorporated into the stem and bonnet to limit how far the valve can be opened. Dry riser landing valves bim object definition from nbs. The design and construction of the gate valves are strictly in accordance with bs5041. Dry riser inlet breechings are normally fitted in glass fronted cabinets on the outside walls of buildings.
The choice between a wet and a dry riser will depend on your buildings water pressure. Specification for landing valves for dry risers british standard material and design requirements for copper alloy gate valves for dry. The bs 336 instantaneous coupling system connects using a spring loaded catch mechanism on the female section of the coupling. Landing valves and boxes for dry risers are described by characteristics such as landing valves, outlet boxes and landing valve type.
Drc006 red drc0 stainless steel inlet cabinet for 4 way inlet breeching valve. Dry riser inlet breeching valves are available as a 2way or 4way and comply fully with the requirements of. The design and construction of the hydrant valves are strictly. The valves should be fitted with a wheeled valve connected directly to one or in the case of larger risers, two 65 mm. Part 4 cabinet dimensions type a mm b mm c mm diameter hole for valve entry mm 1 recessed outlet cabinet 460 630 275 210 2 surface mounted outlet cabinet 460 630 275 210. Landing valves and dry or wet riser equipment sffeco landing vales are manufactured strictly to relevant british standards. Our landing valves have been ul and lpcb certified.
Dry risers steel tubes, fittings, valves, pipe supports. Landing valve an assembly comprising a valve and outlet connection from a wet or dry riser. Air release valve the valve fitted at the highest point of the dry riser. A wet riser is a pipe kept permanently charged with water which is then immediately available for use on any floor at which a fire hydrant globe valve also known as a landing valve is provided. Wet dry risers dry riser landing valve with flange nominal size. Part 3 installed at the bottom of the riser protected by boxes comply with m. A dry riser system can be charged with water by pumping from a fire service appliance via an inlet breeching fitted in a cabinet on the outside of the building at ground level. Dry riser landing valves are available with pn16 inlet, table d inlet, bsp threaded male inlet and bsp threaded female inlet. Read more about the dry riser systems designed and installed by ultrasafe. Drc008w red drc009w stainless steel vertical outlet full cabinet for wet riser prv. We attempt to wherever possible, source all our components from within the uk to ensure the highest quality equipment is used at all times. These landing valves are pressure reducing type designed to provide a range of outlet pressure 4 bar 12 bar. Ee was incorporated in 1979, is a member of leeden national oxygen ltd, and is certified by iso 9001. Kitemark approved landing valves and breaching inlets are available.
Steel recon industries sdn bhd sri is a proudly malaysian company, which. A wet riser system is a pipe kept permanently charged with water that. Dry riser tate valves act as outlets the riser main these valves utt. Hydraulic calculation of wet and dry risers, hoses and. Provision is often made at roof level for an additional testing outlet. Locally, dry riser outlets may be referred to as standpipes, landing valves or landing outlets. Dry riser outlets, or landing valves, may be located in protected lobbies, stairs or enclosures where these are available. Pn16 65mm landing valve code description hv002 pn16 65mm landing valve pn16 65mm right angled valve code description hv003 pn16 65mm right angled valve.
When dry and wet dry type riser systems are used, increased hydraulic forces. Specification for landing valves for dry risers bs 2767. Planning information for firefighting water systems. Model inlet size outlet hv001 2 12 65mm bspt male 2 12.