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TAVINOX GROOVE · 304

TAVINOX GROOVE Reducing adaptor to PRESS

PR64GRF15 variants · DN 125–300
  • TGS rolled groove — fast, demountable installation without welding
  • AISI 304 (1.4301) stainless steel
  • Nominal pressure PN 16, drinking water up to 80 °C, other media (e.g. heating) up to 110 °C, EPDM gasket
PR64GRF Reducing adaptor to PRESSIllustrative photo — The photo shows the AISI 316L version. The supplied version is made of AISI 304 (1.4301) stainless steel and differs in material and marking.

Product

Technical parameters

CodeDNOD (mm)EANBag (pcs)Box (pcs)
PR64GRF.12565DN125/65133,0×76,1859668301437011
PR64GRF.12580DN125/80133,0×88,9859668301440011
PR64GRF.15065DN150/65159,0×76,1859668301446211
PR64GRF.15080DN150/80159,0×88,9859668301449311
PR64GRF.20065DN200/65219,0×76,1859668301455411
PR64GRF.20080DN200/80219,0×88,9859668301458511
PR64GRF.25065DN250/65273,0×76,1859668301464611
PR64GRF.25080DN250/80273,0×88,9859668301467711
PR64GRF.30065DN300/65323,9×76,1859668301473811
PR64GRF.30080DN300/80323,9×88,9859668301476911
PR64GRF.125100DN125/100133,0×108,0859668301443111
PR64GRF.150100DN150/100159,0×108,0859668301452311
PR64GRF.200100DN200/100219,0×108,0859668301461511
PR64GRF.250100DN250/100273,0×108859668301470711
PR64GRF.300100DN300/100323,9×108859668301479011

Technical drawing

PR64GRF 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 PR64GRF

What material is TAVINOX GROOVE PR64GRF made of?

PR64GRF is made of AISI 304 (1.4301) 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 316L (1.4404) has the code PR14GRF.

What sizes is TAVINOX GROOVE PR64GRF 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 PR64GRF?

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

Up to what temperature can TAVINOX GROOVE PR64GRF 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 PR64GRF 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 PR64GRF be connected to the TAVINOX PRESS press system?

Yes — PR64GRF 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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