TAVINOX GROOVE · 304
TAVINOX GROOVE Reducer
- 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
Illustrative 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
| Code | DN | OD (mm) | EAN | Bag (pcs) | Box (pcs) |
|---|---|---|---|---|---|
| PR64GRGR.150125 | DN150/125 | 159,0x133,0 | 8596683013779 | 1 | 1 |
| PR64GRGR.200125 | DN200/125 | 219,0×133,0 | 8596683013809 | 1 | 1 |
| PR64GRGR.200150 | DN200/150 | 219,0×159,0 | 8596683013830 | 1 | 1 |
| PR64GRGR.250125 | DN250/125 | 273,0×133,0 | 8596683013861 | 1 | 1 |
| PR64GRGR.250150 | DN250/150 | 273,0×159,0 | 8596683013892 | 1 | 1 |
| PR64GRGR.250200 | DN250/200 | 273,0×219,0 | 8596683013922 | 1 | 1 |
| PR64GRGR.300125 | DN300/125 | 323,9×133,0 | 8596683013953 | 1 | 1 |
| PR64GRGR.300150 | DN300/150 | 323,9×159,0 | 8596683013984 | 1 | 1 |
| PR64GRGR.300200 | DN300/200 | 323,9×219,0 | 8596683014011 | 1 | 1 |
| PR64GRGR.300250 | DN300/250 | 323,9×273,0 | 8596683014042 | 1 | 1 |
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 TAVINOXDatasheets
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 PR64GRGR
What material is TAVINOX GROOVE PR64GRGR made of?
PR64GRGR 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 PR14GRGR.
What sizes is TAVINOX GROOVE PR64GRGR 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 PR64GRGR?
Nominal pressure 1.6 MPa (PN 16); gasket: EPDM elastomer; groove system: TGS — rolled groove.
Up to what temperature can TAVINOX GROOVE PR64GRGR 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 PR64GRGR 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 PR64GRGR be connected to the TAVINOX PRESS press system?
Yes, with the grooved × press transition fittings: PR64GRF and TK64GRFGR — AISI 304 (1.4301); PR14GRF and TK14GRFGR — AISI 316L (1.4404). 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.