Mayer Stainless Roll Groove

Mayer Stainless Roll Groove

Quality systems, built for New Zealand conditions.

Quality systems, built for New Zealand conditions.

Select Product

Premium 316L Stainless Steel

(EN 1.4404)

Available in 133 mm - 325 mm, Roll Groove delivers a robust option for:

·       Potable water distribution
·       Heating and cooling water
·       Chilled water / condenser systems
·       Industrial and process water
·       Large-scale plant rooms and infrastructure

Roll-grooved stainless provides predictable tolerances, clean alignment, and compatibility with standard mechanical couplings, supporting reliable performance across high-demand installations.

For guidance on system selection, coupling compatibility or project-specific requirements, contact USCO for technical support.


Sub-heading

Premium 316L Stainless Steel

(EN 1.4404)

Available in 133 mm - 325 mm, Roll Groove delivers a robust option for:

·       Potable water distribution
·       Heating and cooling water
·       Chilled water / condenser systems
·       Industrial and process water
·       Large-scale plant rooms and infrastructure

Roll-grooved stainless provides predictable tolerances, clean alignment, and compatibility with standard mechanical couplings, supporting reliable performance across high-demand installations.

For guidance on system selection, coupling compatibility or project-specific requirements, contact USCO for technical support.

V-Press Profile 

+ EPDM O-Ring

Consistent, reliable sealing, press after press.



Mayer fittings use a V-press profile with premium EPDM O-rings for proven performance across a wide range of applications. Tight tolerances and consistent groove geometry provide clean, repeatable seals every time.

Leak Path

A jointing system designed for installers.



Leak Path: Any unpressed joint leaks at test stage, making misses easy to spot.

Press to finish: Once pressed, connections are permanently sealed.

Crimp indicator: A cellophane press indicator provides quick visual confirmation in real install conditions.



It’s faster, safer, and cuts out the costly rework associated with welded or threaded systems.

Clear Markings & Full Traceability

All pipe and fittings are clearly marked with:

• Material grade (316L)
• Pressure & temperature ratings
• Dimensions
• Certification marks
• Batch traceability

Confidence for installers.

Specifications

Mayer Stainless Press 316L EPDM

Complete System Range

(15–108 mm)

All pipes are compliant with AS 5200.053 and

supplied in straight 5.8 m lengths, with outside

diameters from 15 mm to 108 mm.

All pipes are compliant with AS 5200.053 and

supplied in straight 5.8 m lengths, with outside

diameters from 15 mm to 108 mm.

Larger Diameters

For pipe sizes above 108 mm, refer to:

Mayer 316L Roll Groove (link)

For pipe sizes above 108 mm, refer to:

Mayer 316L Roll Groove (link)

Approved Press-Fit Tools

Only REMS and Zupper press tools are approved

for use with Mayer stainless, in line with warranty 

requirements. 



See the Technical Downloads section below for 

product brochure and for tools available for 

purchase or hire.

Only REMS and Zupper press tools are approved

for use with Mayer stainless, in line with warranty 

requirements. 



See the Technical Downloads section below for 

product brochure and for tools available for 

purchase or hire.

Operating Temp

-20ºC to 99ºC

-20ºC to 99ºC

Pressure Rating

16 Bar

16 Bar

Aquatherm Pipe Dimensions

Pipe Dimensions

Aquatherm Green S

Aquatherm Green MF

Aquatherm Green MFRP

16mm

-

-

20mm

-

25mm

-

32mm

40mm

50mm

63mm

75mm

90mm

110mm

125mm

160mm

200mm

250mm

315mm

355mm

400mm

-

-

450mm

-

-

500mm

-

-

-

630mm

-

-

-

Tube Specification

These specifications are valid for both 316L

and 304 stainless steel.

Nominal Size

Inside Diameter

Outside Diameter

Wall Thickness

Dry Weight kg/m

Wet Weight kg/m

Volume l/m

Tube Length

DN15

15

15

1.0

0.351

0.484

0.133

5.8

DN20

22

22

1.2

0.625

0.928

0.302

5.8

DN25

28

28

1.2

0.805

1.321

0.515

5.8

DN32

35

35

1.5

1.258

2.062

0.804

5.8

DN40

42

42

1.2

1.521

2.718

1.195

5.8

DN50

54

54

1.5

1.972

4.015

2.043

5.8

DN65

76.1

76.1

2.0

3.711

7.794

4.083

5.8

DN80

88.9

88.9

2.0

4.352

10.58

6.232

5.8

DN100

108

108

2.0

5.308

13.810

8.495

5.8

Warranty

The Mayer stainless press-fit system is engineered for a 50-year service life and is guaranteed against leakage for 25 years when installed to specification.

Liability

Mayer provides a 10-year liability warranty covering material damage to third parties, including investigation, removal, replacement, exposure, or disassembly of defective components.

For full details, refer to the Mayer Warranty Statement in the downloads section.

Fields of Application

Certifications

Product

Name

Certificate Number

Standard

Date Issued

Aquatherm Green

Watermark

WMKA02437

ISO 15874-2:2013 & ISO 15874-3:2013

18/06/2024

Aquatherm Green

Branz

Appraisal No: 539

NZBC - B2, F2, G10, G12.

08/05/2023

Aquatherm Blue / Green pipe S / MF / MF-RP Piping System

EPD

Statement of Verification: BREG EN EPD No: 000475.

EN15804:2012+A2:2019 and BRE Global Scheme Document SD207.

10/02/2023

Aquatherm Red MG / MF-RP piping system.

EPD

Statement of Verification: BREG EN EPD No: 000476.

EN15804:2012+A2:2019 and BRE Global Scheme Document SD207.

10/02/2023

Aquatherm Black piping system

EPD

Statement of Verification: BREG EN EPD No: 000477.

EN15804:2012+A2:2019 and BRE Global Scheme Document SD207.

10/02/2023

Aquatherm Blue / Green pipe S / MF / MF-RP Piping System

EPD

Statement of Verification: BREG EN EPD No: 000478.

EN15804:2012+A2:2019 and BRE Global Scheme Document SD207.

10/02/2023

Aquatherm Green

BODYCOTE Certificate for chlorine resistance potable water applications 

BODYCOTE P-07/06 (Bodycote code 3397) 

ASTM F 2023 

05/06/2008

Aquatherm Red PPR Pipe and Pipe Fittings

AON

Certificate Number: AQ-1 (revision 4)

Section 114 of NZS 4541 :2007

Effective from July 2013

Aquatherm Green Pipe & Fittings 

NSF

-

NSF/ANSI/CAN 61 Drinking Water System Components - Health Effects

-

Aquatherm Green Pipe & Fittings 

NSF

-

NSF/ANSI 51 Food Equipment Materials

-

Aquatherm Green Pipe & Fittings 

NSF

-

NSF/ANSI 14 Plastics Piping System Components and Related Materials

-

Mayer Stainless Press Fit Piping System.

Branz

Appraisal No: 1033

NZBC - B2, F2, G10, G12.

17/11/2023

Mayer Stainless 316L Pipe and Press Fit Fittings

Watermark

Licence No: VM-022882

AS 3688:2016 and AS 5200.053-2008

02/07/2013

Mayer Stainless 316L Press Fit Fittings.

AGA Certified Product

Certificate No: 9096

AS 3688-2016

15/06/2023

Mayer Stainless Press Fittings  for use with 316L & 304 Pipe (EPDM)

NSF

Certificate No: 2306655 S3

NSF REG4 - Water Fittings, Components, and Materials - Verification of compliance with Regulation 4(1)(a)

24/06/2023

Mayer Stainless 316L & 304 stainless steel tube and press fit fittings (EPDM)

WRAS

WRAS Approval Number: 2307003   Certificate No: 1704328

EN 10312 and DVG-W543

April 2022

Mayer Stainless 316L Pipe and Press Fit Fittings

AON

Certificate Number: M116

As per section 1.16 of NZS 4541:2020 and NZS4515:2009 Appendix G.

Effective from June 2021

Water Grip

Radio Regulatory Compliance Mark (RCM)

Sdoc Identification Number: QWGW1

AS/NZS 60950.1:2011

11/09/2025

Water Grip

Declaration of Conformity to European Standards

RED 2014/53/EU harmonisation legislation

Mayer PEX Fittings - Crimp & Slide

Watermark

Certificate No: WMK26578

AS/NZS 2537.2:2011

11/03/2021

Mayer PEX-a Pipes

Watermark

Certificate No: WMCS2016

AS/NZS 2492:2007

04/02/2021

Certifications

Case Studies

Technical Downloads

Filter by:

Aquatherm® – Green Pipe

Technical Brochure

Pressure Testing

Smart Spec

Certification

Concrete Installation

EPD

Warrantee

Tool Hire Form

Watermark

Filter by:

Aquatherm® – Green Pipe

Technical Brochure

Pressure Testing

Smart Spec

Certification

Concrete Installation

EPD

Warrantee

Tool Hire Form

Watermark

Training Videos

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