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Product Specification


Zenith offers an extensive range of hygienic tri clamps including single hinge, double hinge, three piece and High pressure clamps in 304 and 316 Stainless Steel in sizes 1⁄2” to 12”.

Tri Clamp Fittings also known as tri clover are one of the easiest unions to dismantle, expediting the cleaning of pipework systems. They conform to US 3A, BS4825 PT3, DIN Standard, DIN 32676 Series 1, 2 and 3, ISO 2852, ISO 1127, SMS, ASME BPE, SCH and are suitable for tube and Nominal Bore pipe. A Tri Clamp union consists of a clamp, 2 ferrules and a gasket.

All tri clamp ferrules are produced from forgings. Forgings provide greater strength, improved weldability and better surface finish.

Ferrules are available with lengths of 12.7mm, 21.5mm, 28.6m, 38.1mm and 50.8mm to suit OD Tube, Sch 5, Sch 10, Sch 40 pipe as well as DIN, ISO and Metric tubes. All our tri clamp ferrules are produced from forgings and our standard OD/ID finish is <0.8Ra. We also supply ferrules to ASME BPE standard.

All our gaskets are available in both standard and flanged (lipped type) and be supplied in Buna, Nitrile, Silicone, Viton and PTFE. We also offer screen gaskets and orifice plates. Size range from 1⁄2”-12”.

  • Size Range: 1/2″ OD – 12″ OD
  • Ferrule Lengths: Ferrules available in 12.7mm, 21.5mm, 28.6m, 38.1mm and 50.8mm lengths.
  • Material: Available in AISI 304 (1.4301) and 316L (1.4404) stainless steel.
  • Specification: Tri Clamp Ferrules manufactured to BS4825 PT3, 3A, ASME BPE, ISO, DIN, SMS, SCHEDULE PIPE and Tank Ferrules.
  • Internal Finish: OD/ID finish is <0.8Ra
  • Gasket Material: EPDM, PTFE, Viton and Silicone.

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