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7/23/2019 NOH Grooved Piping Sys
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Grooved Piping SystemsGrooved Piping Systems
An Overview of Features,An Overview of Features,
Benefits, and ApplicationsBenefits, and Applications
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What are grooved systems?What are grooved systems?
How do grooved systems work?How do grooved systems work?What are the components of a groovedWhat are the components of a groovedsystem?system?
What are features of the system?What are features of the system?What are the benefits of using the system?What are the benefits of using the system?
What applications are grooved systemsWhat applications are grooved systemsused in?used in?
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Grooved systems areGrooved systems arefast, clean,fast, clean,
dependable, and aredependable, and are
alternate ways ofalternate ways ofjoining pipe asjoining pipe as
opposed to welding,opposed to welding,
threading, flanging,threading, flanging,
and solderingand soldering
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Grooves are rolled or cut into the ends ofGrooves are rolled or cut into the ends ofthe pipethe pipe
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Fittings, valves, and other components areFittings, valves, and other components are
manufactured with the same groovesmanufactured with the same grooves
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Couplings with pressure responsiveCouplings with pressure responsivegaskets and shoulders to fit the groovesgaskets and shoulders to fit the grooves
are used to join grooved pipe to groovedare used to join grooved pipe to grooved
pipe or grooved componentspipe or grooved components
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When the grooved components areWhen the grooved components are
connected by the shouldered gasketedconnected by the shouldered gasketed
couplings, the result is a pressurecouplings, the result is a pressure--tighttight
pipe systempipe system
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The coupling is composed of three parts:The coupling is composed of three parts: The housing, which encircles and contains theThe housing, which encircles and contains the
gasket against the application of internalgasket against the application of internal
pressure or vacuum. Housing key sections fitpressure or vacuum. Housing key sections fitinto and engage the pipe end grooves aroundinto and engage the pipe end grooves around
the entire pipethe entire pipe--end circumference, thusend circumference, thus
restraining the pipe ends from separation.restraining the pipe ends from separation.
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The pressureThe pressure--responsive gasketresponsive gasket Works in both pressure and vacuumWorks in both pressure and vacuum
applicationsapplications
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The track head bolts and nutsThe track head bolts and nuts
Served to connect the housing segmentsServed to connect the housing segments
togethertogether
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Features of a grooved systemFeatures of a grooved system Ridged or flexible connection (couplings).Ridged or flexible connection (couplings).
Couplings are available where ridgedCouplings are available where ridged
connections are required. Couplings withconnections are required. Couplings withflexible design allow for pipe expansion orflexible design allow for pipe expansion or
contraction with temperature changes. Thecontraction with temperature changes. The
need for expansion joint is minimized orneed for expansion joint is minimized oreliminated.eliminated.
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AccessibilityAccessibility
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Minimize Noise and VibrationMinimize Noise and Vibration
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SelfSelf--Restraining JointRestraining Joint
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StressStress--Free SystemFree System
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Accommodates Misalignment andAccommodates Misalignment and
Joint DeflectionJoint Deflection
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BenefitsBenefits
No weldingNo welding
No smoke or fire in work areaNo smoke or fire in work area
No need for fire watchNo need for fire watch
No smoke damageNo smoke damage
No need for skilled welderNo need for skilled welder
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Benefits (cont.)Benefits (cont.)
Rotational MovementRotational Movement
Grooved piping systems have rotationalGrooved piping systems have rotational
capability that can extend system pipe life incapability that can extend system pipe life in
slurry or coarse material piping systemsslurry or coarse material piping systems
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Grooving Process Easily LearnedGrooving Process Easily Learned
Grooving of pipe ends, (operation of groovingGrooving of pipe ends, (operation of grooving
tool), simple to dotool), simple to do
Joint RepeatabilityJoint RepeatabilityTooling ensures consistent groove every timeTooling ensures consistent groove every time
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Benefits (cont.)Benefits (cont.)Prefab CapabilitiesPrefab Capabilities
System piping can be grooved ahead of time offsite,System piping can be grooved ahead of time offsite,allowing for ease of installation onsite.allowing for ease of installation onsite.
Time of InstallationTime of Installation
Grooved systems take less time to install allowingGrooved systems take less time to install allowingprojects to come in on timeprojects to come in on time
Ease of Access to Pipe SystemEase of Access to Pipe System
Because each coupling can be easily taken apart,Because each coupling can be easily taken apart,(disassembly of two bolts), access to the internal(disassembly of two bolts), access to the internal
piping is easily achievedpiping is easily achieved
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ApplicationsApplications
Condenser WaterCondenser Water
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ApplicationsApplications
Chilled WaterChilled Water
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ApplicationsApplications
Heating and Hot WaterHeating and Hot Water
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ApplicationsApplications
Air Handling UnitsAir Handling Units
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ApplicationsApplications
Duel Temperature SystemsDuel Temperature Systems
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ApplicationsApplications
Heat Pump SystemsHeat Pump Systems
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ApplicationsApplications
Storm or Sewage Ejection SystemsStorm or Sewage Ejection Systems
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ApplicationsApplicationsDomestic Water Systems (GALV. OrDomestic Water Systems (GALV. Or
Copper)Copper)
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ApplicationsApplicationsOil fieldOil field
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ApplicationsApplicationsMiningMining
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ApplicationsApplicationsFire ProtectionFire Protection
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Why Specify It?Why Specify It?FastFast-- Bring jobs in on timeBring jobs in on time
CleanClean-- Nonintrusive to existing structuresNonintrusive to existing structuresSpace RequirementsSpace Requirements-- Can be installed inCan be installed inconfined spaces where welding is notconfined spaces where welding is not
possiblepossibleRigid or flexible couplingsRigid or flexible couplings-- allows forallows forsystem flexibilitysystem flexibility
System AccessibilitySystem Accessibility-- allows for pipingallows for pipingchanges and maintenancechanges and maintenance
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Minimizes System Noise and VibrationMinimizes System Noise and Vibration
Ease of Process Joint RepeatabilityEase of Process Joint Repeatability--groove dimensions governed by AWWA,groove dimensions governed by AWWA,
CC--606606
Prefabricating CapabilitiesPrefabricating Capabilities-- installationinstallationeaseease
Recognized by ANSI, ASTM as aRecognized by ANSI, ASTM as astandardized systemstandardized system
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The EndThe End