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TAVINOX GROOVE · 316L

TAVINOX GROOVE Reducing tee

TK14GRGRGR10 variants · DN 125–300
  • TGS rolled groove — fast, demountable installation without welding
  • AISI 316L (1.4404) stainless steel
  • Nominal pressure PN 16, drinking water up to 80 °C, other media (e.g. heating) up to 110 °C, EPDM gasket
TK14GRGRGR Reducing tee

Product

Technical parameters

CodeDNOD (mm)EANBag (pcs)Box (pcs)
TK14GRGRGR.150125DN150/125159,0×133,0859668301647311
TK14GRGRGR.200125DN200/125219,0×133,0859668301650311
TK14GRGRGR.200150DN200/150219,0×159,0859668301653411
TK14GRGRGR.250125DN250/125273,0×133,0859668301656511
TK14GRGRGR.250150DN250/150273,0×159,0859668301659611
TK14GRGRGR.250200DN250/200273,0×219,0859668301662611
TK14GRGRGR.300125DN300/125323,9×133,0859668301665711
TK14GRGRGR.300150DN300/150323,9×159,0859668301668811
TK14GRGRGR.300200DN300/200323,9×219,0859668301671811
TK14GRGRGR.300250DN300/250323,9×273,0859668301674911

Technical drawing

TK14GRGRGR technical drawing

Prices and availability on request

The TAVINOX GROOVE system is available through our network of wholesale partners across the Czech Republic and Slovakia. We will be happy to give you current prices and availability.

Where to buy TAVINOX

Datasheets

Certificates and approvals

CCZ certificate

Certification for pipework

ITC certificate

Institute for Testing and Certification, Zlín

ISO 9001

Quality management system of the importer CZECH STYLE, spol. s r.o.

Frequently asked questions about TK14GRGRGR

What material is TAVINOX GROOVE TK14GRGRGR made of?

TK14GRGRGR is made of AISI 316L (1.4404) stainless steel. TAVINOX GROOVE fittings are made in AISI 304 (1.4301) and AISI 316L (1.4404), pipes in AISI 304L (1.4307) and AISI 316L (1.4404); each family has its own code by grade. The same family in AISI 304 (1.4301) has the code TK64GRGRGR.

What sizes is TAVINOX GROOVE TK14GRGRGR made in?

10 size combinations: larger end DN150, DN200, DN250 and DN300, smaller end DN125, DN150, DN200 and DN250; outside diameters 133, 159, 219, 273 and 323.9 mm.

What is the nominal pressure of TAVINOX GROOVE TK14GRGRGR?

Nominal pressure 1.6 MPa (PN 16); gasket: EPDM elastomer; groove system: TGS — rolled groove.

Up to what temperature can TAVINOX GROOVE TK14GRGRGR be used?

In drinking water pipework up to 80 °C. For other media (e.g. heating) the operating temperature can be up to 110 °C.

What certification does TAVINOX GROOVE TK14GRGRGR have?

The TAVINOX GROOVE grooved system holds ITC product certificate No. 26 0151 V/AO for drinking water and heating installations, issued on 12 May 2026 by Institut pro testování a certifikaci, a.s. (authorised body No. 224, Czech Republic). The technical data list the certifications CCZ, ITC and ISO 9001. The TAVINOX GROOVE system was tested at ITC to DVGW standards; it does not hold a DVGW certificate of its own.

Can TAVINOX GROOVE TK14GRGRGR be connected to the TAVINOX PRESS press system?

Yes, with the grooved × press transition fittings: PR14GRF and TK14GRFGR — AISI 316L (1.4404); PR64GRF and TK64GRFGR — AISI 304 (1.4301). Their press end takes TAVINOX PRESS tubes of 76.1, 88.9 and 108 mm.

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.

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