5-WATER DISTRIBUTION SYSTEM12

8/7/2019 5-WATER DISTRIBUTION SYSTEM12

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WATER DISTRIBUTION SYSTEMWATER DISTRIBUTION SYSTEM

Water Line:Water Line: Cold Water Line (CWL)Cold Water Line (CWL) Hot Water Line (HWL)Hot Water Line (HWL)

Pipes (Material):Pipes (Material): Galvanized Iron (G.I.)Galvanized Iron (G.I.) Threaded connection using teflonThreaded connection using teflon Cast Iron PipesCast Iron Pipes Welded/Soldered, Bolted connectionWelded/Soldered, Bolted connection(Flanges)(Flanges) PolyVinyl Chloride (PVC)PolyVinyl Chloride (PVC) Fusion using solvent cementFusion using solvent cement

Fittings:Fittings: ElbowsElbows TeeTee

UnionUnion BushingBushing ReducerReducer CouplingCoupling Cap/PlugCap/Plug NippleNipple


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WATER DISTRIBUTION SYSTEMWATER DISTRIBUTION SYSTEM

Control Valves:Control Valves: Gate ValvesGate Valves

Check ValvesCheck Valves

Globe ValvesGlobe Valves

Angle ValvesAngle Valves

Ball ValvesBall Valves

Flush ValvesFlush Valves


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FITTINGSFITTINGS

ElbowsElbows


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FITTINGSFITTINGS

TeeTee


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FITTINGSFITTINGS

Union/BushingUnion/Bushing


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FITTINGSFITTINGS

Reducer/CouplingReducer/Coupling


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FITTINGSFITTINGS

Cap/PlugCap/Plug


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FITTINGSFITTINGS

NippleNipple


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CONTROL VALVESCONTROL VALVES

Gate ValveGate ValveAA Gate ValveGate Valve, or Sluice Valve, as, or Sluice Valve, as

it is sometimes known, is ait is sometimes known, is a

valve that opens by lifting avalve that opens by lifting around or rectangularround or rectangulargate/wedge out of the path ofgate/wedge out of the path ofthe fluid. The distinct featurethe fluid. The distinct featureof a gate valve is the sealingof a gate valve is the sealingsurfaces between the gate andsurfaces between the gate andseats are planar. The gateseats are planar. The gate

faces can form a wedge shapefaces can form a wedge shapeor they can be parallel.or they can be parallel.


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Globe ValveGlobe ValveAA Globe valveGlobe valve is a deviceis a device

for regulating flow in afor regulating flow in a

pipeline, consisting of apipeline, consisting of amovable diskmovable disk--typetypeelement and a stationaryelement and a stationaryring seat in a generallyring seat in a generallyspherical body.spherical body.


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Check ValveCheck ValveAA check valvecheck valve is a mechanicalis a mechanical

device, a valve, that normallydevice, a valve, that normallyallows fluid (liquid or gas) toallows fluid (liquid or gas) toflow through it in only oneflow through it in only onedirection. Check valves aredirection. Check valves are

twotwo--port valves, meaning theyport valves, meaning theyhave two openings in thehave two openings in thebody, one for fluid to enterbody, one for fluid to enterand the other for fluid toand the other for fluid toleave. There are various typesleave. There are various typesof check valves used in a wideof check valves used in a widevariety of applications.variety of applications.


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Check ValveCheck Valve swingcheck valveswingcheck valve is a check valve in which the disc, the movable partis a check valve in which the disc, the movable part

to block the flow, swings on a hinge or trunnion, either onto the seat toto block the flow, swings on a hinge or trunnion, either onto the seat toblock reverse flow or off the seat to allow forward flow. The seatblock reverse flow or off the seat to allow forward flow. The seatopening crossopening cross--section may be perpendicular to the centerline betweensection may be perpendicular to the centerline betweenthe two ports or at an angle. Although swing check valves can come inthe two ports or at an angle. Although swing check valves can come in

various sizes, large check valves are often swing check valves.various sizes, large check valves are often swing check valves. AA clapper valveclapper valve is a type of check valve used in or with firefighting,is a type of check valve used in or with firefighting,

and has a hinged gate (often with a spring urging it shut) that will onlyand has a hinged gate (often with a spring urging it shut) that will onlyremain open in the outflowing direction.remain open in the outflowing direction.

AA stopstop--check valvecheck valve is a check valve with override control to stop flowis a check valve with override control to stop flowregardless of flow direction or pressure. When the valve is open, it actsregardless of flow direction or pressure. When the valve is open, it acts

as a check valve, but the valve can be deliberately shut to stop flow.as a check valve, but the valve can be deliberately shut to stop flow. AA liftlift--check valvecheck valve is a check valve in which the disc, sometimes calledis a check valve in which the disc, sometimes calledaa liftlift, can be lifted up off its seat by higher pressure of inlet or upstream, can be lifted up off its seat by higher pressure of inlet or upstreamfluid to allow flow to the outlet or downstream side. A guide keepsfluid to allow flow to the outlet or downstream side. A guide keepsmotion of the disc on a vertical line, so the valve can later reseatmotion of the disc on a vertical line, so the valve can later reseatproperly. When the pressure is no longer higher, gravity or higherproperly. When the pressure is no longer higher, gravity or higherdownstream pressure will cause the disc to lower onto its seat, shuttingdownstream pressure will cause the disc to lower onto its seat, shutting

the valve to stop reverse flow.the valve to stop reverse flow.


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Angle Valve/BallAngle Valve/BallValveValve

AA ball valveball valve (like the(like thebutterfly valve, one of abutterfly valve, one of afamily of valves calledfamily of valves called

quarter turn valvesquarter turn valves) is a) is avalve that opens byvalve that opens byturning a handle attachedturning a handle attachedto a ball inside the valve.to a ball inside the valve.The ball has a hole, orThe ball has a hole, orport, through the middleport, through the middleso that when the port is inso that when the port is in

line with both ends of theline with both ends of thevalve, flow will occur.valve, flow will occur.When the valve is closed,When the valve is closed,the hole is perpendicularthe hole is perpendicularto the ends of the valve,to the ends of the valve,and flow is blocked. Theand flow is blocked. Thehandle position lets youhandle position lets you

"see" the valve's position."see" the valve's position.


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PIPES AND ACCESSORIESPIPES AND ACCESSORIES


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PLUMBING SYMBOLSPLUMBING SYMBOLS

5-WATER DISTRIBUTION SYSTEM12

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