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Cam and Groove Couplings

Why should cam and groove couplings from PT Coupling be your first choice?

  • PT manufactures special cam and groove couplings such as our STA LOK®, STA LOK®II, reducers, 90° elbows, and more.
  • The STA LOK® line of locking cam arms were originally designed by PT Coupling for the US Coast Guard. The STA LOK® is a positive locking cam & groove feature and the STA LOK®II is a passive locking cam & groove feature.
  • PT cam and groove couplings are assembled with solid pins.
  • Superior pressure ratings that surpass industry standards.
  • All of PT Coupling castings are made from high quality raw materials, cast in US foundries and machined in our company owned machine shop, Central Machine & Tool.
  • Standard couplers can be refit with STA LOK® II passive locking arms, thereby eliminating the need to stock different coupler bodies.


  • Special Cam & Groove Fittings

    PT Coupling - Camlock Special Cam & Groove Fittings

    Our selection of special cam & groove fittings includes both 45° and 90° stainless steel cam and groove elbows. You'll find these pressure-safe cam and groove couplers in a variety of configurations, including coupler X adapter, coupler X hose shank and coupler X female NPT thread (G-elbow and H-elbow). Heavy-duty couplings include HD coupler X hose shank and HD coupler X female NPT thread units.

    There are also a variety of other types of couplings available, including fire hose couplings, railroad tank car connections, coupler X coupler connections, weld fittings, pipe flanges and adapter X adapter connections. These are all top-quality, American-made couplings manufactured by PT Coupling Company, a 60+-year-old ISO-9001-certified company and industry leader based in Enid, Oklahoma.

  • Swivel Cam & Groove

    PT Coupling - Camlock Swivel Cam & Groove Fittings

    We carry a line of cam and groove fittings manufactured by industry-leader PT Coupling Company and offer the products here at nice discounts from MSRP. The lineup includes aluminum pump and nozzle swivel units that are chrome plated and feature brass nuts. Made in the USA, they come with fuel-resistant Buna seals as a standard but can be fit with other seals, such as Viton rubber, on request. They come in a variety of configurations, including 1” male NPT X 1” female NPT and 3/4” male NPT X 1” female NPT.

    You'll also find aluminum hex swivel units and repair kits for a variety of swivel fittings. Shop here for the best in swivel joint flanges, swivel pipe flanges, swivel ring flanges and split flanges.