FIRE PROTECTION SYSTEM FOR SLOPED COMBUSTIBLE CONCEALED SPACES

    公开(公告)号:US20210353988A1

    公开(公告)日:2021-11-18

    申请号:US16337763

    申请日:2019-02-07

    摘要: A fire protection system is provided for a space having a pitched roof constructed of structural members extending from a ridgeline to an eave, with respective channels therebetween. A first row of sprinklers is mounted to a first branch line extending generally parallel to the ridgeline. Each sprinkler is positioned within a respective channel, with consecutive sprinklers spaced apart having no less than one, and no more than five, channels therebetween. A second row of sprinklers, downslope from the first row, is mounted to a second branch line extending generally parallel to the first branch line. Each sprinkler thereof is positioned within a respective channel, with consecutive second row sprinklers spaced apart as in the first row. Each second row sprinkler is also placed within a different channel from each first row sprinkler. A farthest number of channels between a first row sprinkler and a second row sprinkler is three.

    DRY SPRINKLER SYSTEM MANIFOLD ADAPTER
    2.
    发明申请

    公开(公告)号:US20180214724A1

    公开(公告)日:2018-08-02

    申请号:US15880162

    申请日:2018-01-25

    摘要: A manifold assembly is mountable to a piping manifold for a dry sprinkler system having a non-wet valve assembly separating pressurized gas on a downstream side thereof from a water supply on an upstream side thereof. The manifold assembly includes a single piece body having an inlet for removably coupling to, and receiving water from, an upstream wet standpipe, and an outlet for removably coupling to, and delivering water to, the non-wet valve assembly. A control valve assembly is mounted to the body and a mechanically independent flow detection switch is mounted to the body. Each of a test and drain valve and a pressure relief valve is fluidly connected with the body downstream of the control valve assembly and upstream of the outlet.

    SUPERVISORY-GAS-ADJUSTED FRICTION-LOSS COEFFICIENT BASED FIRE SUPPRESSION SPRINKLER SYSTEM

    公开(公告)号:US20190083832A1

    公开(公告)日:2019-03-21

    申请号:US16026556

    申请日:2018-07-03

    IPC分类号: A62C35/58

    摘要: A supervisory-fluid-adjusted friction-loss coefficient based fire suppression sprinkler system has an array of pipes in fluid communication with an arrangement of sprinklers. A supervisory fluid sub-assembly is fluid communication with the array of pipes. The supervisory fluid sub-assembly provides a supervisory fluid other than air to the array. A diameter of each respective pipe of the array is determined by a friction-loss formula having a friction-loss coefficient representing a metric corresponding to a corrosion-induced internal surface roughness of each respective pipe of the array The friction-loss coefficient is determined by empirical testing of a representative pipe of the array in accordance with a nationally recognized testing procedure.

    MODULAR VALVE ASSEMBLY
    4.
    发明申请

    公开(公告)号:US20180043197A1

    公开(公告)日:2018-02-15

    申请号:US15402840

    申请日:2017-01-10

    IPC分类号: A62C35/68 A62C35/60

    摘要: A wet piping system modular valve assembly includes a single piece valve body with a check valve within the valve body. The check valve is movable between a closed position and an open position according to a pressure differential across the check valve. A drain valve is removably mounted to the valve body and fluidly connected with the valve body downstream of the check valve. A mechanically independent flow detection switch is removably mounted to the valve body and fluidly connected with the valve body upstream of the drain valve.

    PREACTION SPRINKLER VALVE ASSEMBLIES, RELATED DRY SPRINKLER DEVICES, AND COMPRESSIVE ACTIVATION MECHANISM

    公开(公告)号:US20180361182A1

    公开(公告)日:2018-12-20

    申请号:US15623048

    申请日:2017-06-14

    摘要: A thermal trigger assembly for remote mechanical actuation of another fire protection system component includes an activation component with a distal base, a distal movable member, a proximal base, a proximal movable member, and a bias member biasing the proximal movable member from a preactivation position to an activated position located proximally of the preactivation position. A thermally responsive element is retained by the distal base, loses structural integrity under occurrence of a predetermined thermodynamic condition, and thereby allows the distal movable member to move from a preactivation position to an activated position with respect to the distal base. A flexible connector connects the proximal movable member to the distal movable member. Upon the loss of structural integrity by the thermally responsive element, a biasing force from the bias member causes a movement of the proximal movable member from the preactivation position to the activated position.

    CONTROL VALVE ASSEMBLY WITH TEST, DRAIN AND ADJUSTABLE PRESSURE RELIEF VALVE

    公开(公告)号:US20180193681A1

    公开(公告)日:2018-07-12

    申请号:US15862881

    申请日:2018-01-05

    IPC分类号: A62C37/50 A62C35/68 A62C35/64

    CPC分类号: A62C37/50 A62C35/64 A62C35/68

    摘要: A test, drain and adjustable pressure relief module for a sprinkler system has a single body with three independent and fluidly connectable flow ports. A first port of the three flow ports is fluidly connectable at an inlet side thereof to the sprinkler system. A second port of the three flow ports has an adjustable pressure relief valve removably mounted to an outlet thereof. The valve is biased into a closed position and a threshold pressure is required to open the valve and discharge fluid is selectively adjustable. A third port of the three flow ports has an open outlet end configured to removably connect with a drainage pipe. The three ports form a Tee connection and have a flow valve therebetween to selectively direct flow between an outlet of the first port and at least one of the respective inlets of the second and third ports.

    MODULAR VALVE ASSEMBLY
    8.
    发明申请

    公开(公告)号:US20180140881A1

    公开(公告)日:2018-05-24

    申请号:US15874479

    申请日:2018-01-18

    IPC分类号: A62C35/68 A62C35/60

    摘要: A wet piping system modular valve assembly includes a single piece valve body with a check valve within the valve body. The check valve is movable between a closed position and an open position according to a pressure differential across the check valve. A drain valve is removably mounted to the valve body and fluidly connected with the valve body downstream of the check valve. A mechanically independent flow detection switch is removably mounted to the valve body and fluidly connected with the valve body upstream of the drain valve.