TAVINOX GROOVE
Grooved piping system in stainless steel — fittings in AISI 304 and 316L, pipes in AISI 304L and 316L. DN 125 to DN 300, nominal pressure 1.6 MPa (PN 16); operating temperature up to 80 °C in drinking water pipework and up to 110 °C for other media (e.g. heating). TGS rolled groove with an EPDM gasket — fast, demountable installation without welding.
TAVINOX GROOVE in a real building
Pipework installed with the TAVINOX GROOVE grooved system — also combined with the TAVINOX PRESS press system within one project.
TAVINOX at the National Theatre in Prague — PRESS and GROOVE in practice
23 September 2026 · 1:53 min
Frequently asked questions about the GROOVE system
What is a grooved piping system?
Large-diameter pipework is joined using a rolled groove at the pipe end, a coupling and an EPDM gasket. Installation is fast, demountable and needs no welding or naked flame.
What size range does TAVINOX GROOVE cover?
DN 125 to DN 300 (OD 133–323.9 mm). Fittings in stainless steel grades AISI 304 and 316L, pipes in AISI 304L and 316L.
What are the operating parameters?
Nominal pressure 1.6 MPa (PN 16). Up to 80 °C in drinking water pipework; operating temperature up to 110 °C for other media (e.g. heating). EPDM elastomer gasket, TGS rolled groove.
What certification does TAVINOX GROOVE have?
ITC product certificate No. 26 0151 V/AO for drinking water and heating installations (12 May 2026). The system was tested at ITC to DVGW standards; it does not hold a DVGW certificate of its own.
Can GROOVE be connected to the TAVINOX PRESS system?
Yes — transition fittings (grooved × press adaptor) connect the press system to grooved pipework from DN 125 to DN 300.
How are stainless steel pipes cut and grooved?
Cutting with the EXACT PipeCut 360 INOX saw (75–360 mm), roll grooving with the TUWEI TWG-IIA-B machine (DN 50–300).
Buy online from our partners
TAVINOX is sold exclusively through wholesale and retail partners. Here are their online shops — you order directly from them. (TAVINOX GROOVE grooved system)
From each of these partners you buy the original TAVINOX system with all certifications and the manufacturer's warranty. All sales points and map →
Have a technical question?
A TAVINOX technician will personally answer your questions about the TAVINOX GROOVE grooved system.