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TAVINOX GROOVE · 316L

TAVINOX GROOVE Tee with PRESS branch

TK14GRFGR15 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
TK14GRFGR Tee with PRESS branch

Product

Technical parameters

CodeDNOD (mm)EANBag (pcs)Box (pcs)
TK14GRFGR.12565DN125/65133,0×76,1859668301722711
TK14GRFGR.12580DN125/80133,0×88,9859668301725811
TK14GRFGR.15065DN150/65159,0×76,1859668301731911
TK14GRFGR.15080DN150/80159,0×88,9859668301734011
TK14GRFGR.20065DN200/65219,0×76,1859668301740111
TK14GRFGR.20080DN200/80219,0×88,9859668301743211
TK14GRFGR.25065DN250/65273,0×76,1859668301749411
TK14GRFGR.25080DN250/80273,0×88,9859668301752411
TK14GRFGR.30065DN300/65323,9×76,1859668301758611
TK14GRFGR.30080DN300/80323,9×88,9859668301761611
TK14GRFGR.125100DN125/100133,0×108,0859668301728911
TK14GRFGR.150100DN150/100159,0×108,0859668301737111
TK14GRFGR.200100DN200/100219,0×108,0859668301746311
TK14GRFGR.250100DN250/100273,0×108859668301755511
TK14GRFGR.300100DN300/100323,9×108859668301764711

Technical drawing

TK14GRFGR 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

Frequently asked questions about TK14GRFGR

What material is TAVINOX GROOVE TK14GRFGR made of?

TK14GRFGR 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 TK64GRFGR.

What sizes is TAVINOX GROOVE TK14GRFGR made in?

15 size combinations: grooved end DN125, DN150, DN200, DN250 and DN300 (outside diameter 133, 159, 219, 273 and 323.9 mm), press end for TAVINOX PRESS tubes of 76.1, 88.9 and 108 mm.

What is the nominal pressure of TAVINOX GROOVE TK14GRFGR?

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

Up to what temperature can TAVINOX GROOVE TK14GRFGR 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 TK14GRFGR 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 TK14GRFGR be connected to the TAVINOX PRESS press system?

Yes — TK14GRFGR is a transition from the grooved system to the press system: grooved end DN125, DN150, DN200, DN250 and DN300, press end for 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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