Verified 11 August 2026

Grooved couplings manufacturers in United States

Grooved couplings manufacturers range from specialist grooved-pipe OEMs to larger valve/fitting producers that include grooved couplings in their product lines. Buyers should look for manufacturers that supply the specific pipe sizes, materials, pressure ratings, and fire-protection listings (UL/FM) they require.

19 verified manufacturers

  • GroovJointUnited States

    "Our expert team in the USA ensures top-notch quality and customization." (groovjoint.com)

  • Victaulic

    "Victaulic grooved pipe joining technology consisting of grooved couplings connected to pipe" and company site describing mechanical pipe joining & fire protection solutions.

  • Dixon

    Listed as a component supplier in grooved fittings collections alongside Victaulic (watertrucks.com collection listing).

  • UnitedBuilt

    Named among grooved pipe fitting brands in a grooved fittings product listing (watertrucks.com).

  • Green Rubber-Kennedy AG, LP

    Named in a Thomasnet suppliers snippet for grooved couplings in the USA (thomasnet.com).

  • Southeastern Hose, Inc.

    Named in a Thomasnet suppliers snippet for grooved couplings in the USA (thomasnet.com).

  • Goodyear Rubber Products, Inc.

    Named in a Thomasnet suppliers snippet for grooved couplings in the USA (thomasnet.com).

  • Seal Fast, Inc.

    Named in a Thomasnet suppliers snippet for grooved couplings in the USA (thomasnet.com).

  • Morris Coupling

    Named in a Thomasnet suppliers snippet for grooved couplings in the USA (thomasnet.com).

  • Shurjoint

    Listed as a grooved coupling/fitting brand and noted supplier stocked by distributors (bricebarclay.com, fluidtechpiping.com list).

  • Anvil International

    Named among 'Top 5 Manufacturers of Grooved Pipe Fittings' in an industry article (fluidtechpiping.com).

  • GruvlokUnited States

    ASC Engineered Solutions lists 'Gruvlok' as a widely known and respected name in U.S.-made grooved couplings, valves, fittings (asc-es.com brand page).

  • Viking Group, Inc.

    Viking SupplyNet mentions offering grooved products and references Viking Group, Inc. in grooved product supply (supplynet.com grooved-products).

  • GemLock

    GemLock site describes itself as a resource for grooved fittings, mechanical couplings and complete grooved systems (gemlockgrooved.com).

  • Star Pipe Products

    Named in an industry list of top grooved couplings manufacturers (package-machines.com list).

  • Kee Safety

    Named in an industry list of grooved pipe manufacturers (package-machines.com list).

  • EBAA Iron

    Named in an industry list of grooved pipe manufacturers (package-machines.com list).

  • Apollo Valves

    Named in an industry list of grooved pipe manufacturers (package-machines.com list).

  • Talbot's

    Named in an industry list of grooved pipe manufacturers (package-machines.com list).

Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.

Need their contact details?

Source365 finds verified contact emails for manufacturers like these and drafts the RFQ outreach for you — directly from the inquiry email in your Outlook inbox.

What to specify in your RFQ

Manufacturers quote faster and more accurately when your request covers these points.

  • Pipe size / nominal diameter

    Specify the range of pipe diameters (e.g., 1"–8" or larger) the coupling must fit.

  • Material and finish

    State required materials (ductile iron, stainless steel, aluminum, rubber gaskets) and corrosion protection or coating.

  • Pressure rating / schedule

    Provide the design pressure or system standard (PSI / class) the coupling must meet.

  • Standards and listings

    List required third‑party listings or standards (UL/FM for fire protection, ANSI, ASTM).

  • Quantity and unit mix

    Give total quantities, any breakdown by size, and whether components must be from a single manufacturer.

  • End connections and tolerances

    Specify grooved-end standards, pipe wall tolerances, and whether adapters or flanges are needed.

  • Gasket material and temperature range

    Specify gasket compound (EPDM, neoprene, etc.) and operating temperature/chemical exposure.

Sourcing FAQ

How do I verify a grooved coupling manufacturer?
Check the manufacturer's product pages and data sheets for explicit statements that they produce grooved couplings, and look for applicable listings (UL/FM) and detailed specs for sizes, materials and pressure ratings.
What typical minimum order quantities (MOQs) should I expect?
MOQs vary widely by manufacturer and part — some producers supply standard couplings in low quantities through distributors, while custom or nonstandard sizes often have higher MOQs; request MOQ directly with manufacturers.
Which certifications matter for fire-protection grooved couplings?
UL and FM listing are commonly required for fire protection systems; also confirm compliance with relevant ASTM/ANSI standards and any local code requirements.
What drives lead time for grooved couplings?
Lead time is affected by material selection, custom sizes/coatings, certification requirements, and current factory/distributor stock levels; ask suppliers for current lead-time estimates for the exact SKU and quantity.

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