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Grooved End Cap Supplier

Plain closures for the end of a grooved fire-water run

We supply plain grooved end caps for wholesale fire-water fitting orders. The cap closes the run through its matching coupling and seal. Actual pipe OD, cap profile and the selected coupling assembly identify the closure, with access retained for its accepted installation and later removal.

Closure form
Plain cap
Joint
Matched grooved coupling
Selection basis
Actual pipe OD
Supply unit
Cap plus listed joint items

Grooved End Caps in our supply

Supplied capPlain closed grooved end cap
Mating pipeActual OD and accepted groove/coupling series
Retaining jointIdentified coupling housing, gasket and fasteners
Face configurationPlain closure face
FinishSelected coated surface
Service recordsSelected closure assembly drawing and required product evidence

Grooved-cap axial-envelope reference

The axial cap dimension is useful when checking space at a branch end or beside a wall.

Nominal size (in.)Pipe OD (mm)Cap T envelope (mm)
260.322
2-1/273.022
388.922
4114.323
6168.323
8219.129

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Victaulic No. 60 plain-cap reference, publication 07.01 Rev AP, June 2026. T is the axial cap dimension shown in that drawing. The selected offer retains its own cap, coupling and complete installed envelope.

The complete retained closure

Cap and coupling geometry

The cap’s retained profile and the coupling keys are selected together. The accepted drawing identifies the cap body, engagement and gasket seat around the closed run.

Seal identity and service

The selected gasket retains its compound and profile for the actual fluid and operating conditions. Required fire-service records identify the supplied closure and coupling configuration.

Pressure thrust at a closed end

Internal pressure acts on the closure’s projected area. The selected joint and line restraint are accepted for that duty, with supports and anchors defined in the piping design.

Access around the capped branch

Installed depth and housing clearance

The complete closure includes the cap and coupling housing. The layout retains space around the bolt pads and beyond the closed face for tools and the prescribed removal sequence.

A designated isolation and vent point

The system’s accepted service arrangement provides isolation, drainage and pressure verification before the closure is handled. Those functions are identified in the piping layout as separate equipment where required.

Future extension of a run

A planned extension retains a known end location, pipe OD and groove series. Its drawing includes enough working space to remove the closure and prepare the next joint.

Plain caps in fire-water fitting schedules

End branches and distribution runs

The scheduled cap closes a defined run or branch end. Each location tag retains the actual OD and its coupling assembly so the receiving team can match the whole closure.

Staged material releases

For a staged project, cap assemblies and later extension parts can be listed by release area. The site’s approved commissioning plan establishes when each closure is fitted or removed.

Closure profile and kit completeness

Grooved end cap beside loose caliper and straightedge on an inspection bench

Retaining and seating surfaces

Checks cover the cap shoulder, groove region and gasket-contact surface against the accepted assembly. The closed face is examined for visible casting and handling damage.

Gasket and housing match

The release list keeps the cap, coupling model and seal compound together. Bolt and nut quantities are checked against the selected joint kit.

Identification before dispatch

Plain cap items retain their OD, finish and model reference. Any separately ordered closure equipment is listed by its own configuration and quantity.

Grooved End Caps supply records

Selected cap drawingMatched coupling referenceGasket identityClosure location/quantity list

Caps and closure kits packed separately

Face and edge protection

Dividers separate cap faces and retained edges. The gasket stays clean beside its matched coupling hardware, clear of heavy contact loads.

Receiving complete closures

The packing list distinguishes cap pieces from complete coupling kits. Each location’s takeoff keeps the required closure parts countable.

An itemized closure offer

Our quote identifies the plain cap selection, requested coupling/gasket scope and required records. Quantities, finish, packing and shipment terms remain visible on those supply lines.

Grooved End Caps purchasing questions

Is the cap T dimension its metal wall thickness?

In the named reference drawing, T describes the cap’s axial envelope. Pressure-wall design and material acceptance follow the actual cap model and product specification; the installed layout uses the complete cap-and-coupling envelope.

Does the cap include the grooved coupling?

The offer lists the cap and retaining coupling explicitly. A complete closure package identifies the cap piece, housing set, gasket, bolts and nuts so the receiving count matches the selected assembly.

Can the cap be used as an inline isolation valve?

The plain cap provides an end closure. A valve supplies the scheduled isolation function and operating access; the service layout retains that valve and the required pressure-verification arrangement.

What changes for vacuum or suction duty?

The cap profile, gasket and coupling are selected for the specified pressure conditions, including any vacuum. The accepted model data identifies that closure configuration for the stated duty.

Can the plain cap provide a drain or test outlet?

A drain or test point is supplied through a separately identified outlet fitting or accepted special closure arrangement. The plain cap listed here retains its closed face, and the quote keeps the additional connection on its own line.

Which details identify a cap for an existing run?

Record the actual pipe OD, groove/coupling model and existing closure profile. The replacement offer matches those interfaces together with the gasket compound, finish and required project records.

Quote your grooved end closures

Send the actual pipe ODs, cap quantities and location references with the coupling or groove series. Include fluid conditions, required project evidence and destination. We return the plain cap and requested joint-kit scope as an itemized wholesale offer.

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Grooved End Caps

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+86 177 7599 6440