Geberit Mapress CuNiFe 3 Piece Ball Valve
Technical Specification
- Manufacturer: Geberit
- Material: CuNi10Fe1.6Mn, material no. 2.1972.11
- Valve material: CrNiMo steel
- Spindle Caulk: PTFE
- Flange and ball section seal: PTFE
- Seal ring: CIIR, black
- Operating Temperature: -20°C to +120°C
- Maximum Operating Pressure:
- Sizes DN20-50: 13 bar (1300 kPa)
- Sizes DN65-80: 10 bar (1000 kPa)
- Applications: Industry, shipbuilding, salt water pipework
Description
This 3-piece ball valve forms part of the Geberit Mapress CuNiFe press-fit system, manufactured from a copper/nickel/iron alloy renowned for its exceptional corrosion resistance. The black pressing indicator identifies the CuNiFe material at a glance, whilst the specially contoured seal ring ensures that any unpressed connection leaks during the pressure test, allowing faults to be identified and corrected before the system enters service.
The valve itself is constructed from CrNiMo steel with PTFE spindle and section seals, delivering reliable shut-off across a wide operating range of -20°C to +120°C. It is certified for civil and military shipbuilding and for use on drilling platforms, and is suitable for seawater, cooling and heating water with or without antifreeze, service and process water, grey and black water with a pH value of 6 or above, wet extinguishing water, and compressed air. Each pressing socket is supplied with a transparent protection plug to keep the supply network free from dust and dirt before installation.
Key Features & Benefits
- Corrosion resistance: The CuNi10Fe1.6Mn alloy withstands salt water, including saturated solutions.
- Unpressed connections are immediately visible: The specially contoured seal ring ensures that unpressed fittings leak during the pressure test, preventing costly failures later in operation.
- Black pressing indicator: Enables fast visual identification of the CuNiFe material, and can be removed by hand once pressing is complete.
- Reliable sealing: PTFE spindle caulk and PTFE section seals on the flange and ball provide durable, long-term tightness.
- Wide application range: Suitable for seawater, cooling and heating water, service and process water, grey and black water, extinguishing water and compressed air.
Materials & Dimensions




| Product Code | Manufacturer Code | DNV | DN | d, ø (mm) | k (mm) | m (mm) | L (cm) | L1 (cm) | L2 (cm) | Z (cm) | PN (bar) |
| 493324 | 92122 | 20 | 20 | 22 | - | - | 13.3 | 5.6 | 10.3 | 4.5 | 13 |
| 493325 | 92123 | 25 | 25 | 28 | - | - | 14.2 | 6.6 | 12.8 | 4.8 | 13 |
| 493326 | 92124 | 32 | 32 | 35 | - | - | 17 | 7.5 | 12.8 | 5.9 | 13 |
| 493327 | 92125 | 40 | 40 | 42 | - | - | 19.4 | 8.5 | 15.8 | 6.7 | 13 |
| 493328 | 92126 | 50 | 50 | 54 | - | - | 22.1 | 9.6 | 15.8 | 7.5 | 13 |
| 493329 | 92127 | 65 | 65 | 76.1 | 70 | 9 | 29.1 | 13.5 | 22.3 | 9.2 | 10 |
| 493330 | 92128 | 80 | 80 | 88.9 | 70 | 9 | 33.3 | 14.5 | 35.8 | 10.6 | 10 |
Application information
| Application Purposes | Operating Temperature | Maximum Operating Pressure |
| For seawater | 0°C–100°C | 13 bar (1300 kPa) |
| For sprinklers (wet) | 0°C–70°C | 13 bar (1300 kPa) |
| For cooling water without antifreeze agent | 0°C–100°C | 13 bar (1300 kPa) |
| For cooling water with antifreeze agent | -30°C–+120°C | 13 bar (1300 kPa) |
| For service water | 0°C–100°C | 13 bar (1300 kPa) |
| For grey and black water with pH value > 6.0 | 0°C–100°C | 13 bar (1300 kPa) |
| For extinguishing water (wet) | 0°C–70°C | 13 bar (1300 kPa) |
| For mineral and lubricating oil | Upon request | Upon request |
| For motor fuels (e.g. diesel) | Upon request | Upon request |
| For compressed air (oil purity class 0-3) | 0°C–100°C | 10 bar (1000 kPa) |
| For compressed air (oil purity class 0-4) | 0°C–100°C | 10 bar (1000 kPa) |
| For negative pressure (1) | 0°C–40°C | Abs. ≥ 0.2 bar / 20 kPa |
| For inert gases (e.g. nitrogen) | Upon request | Upon request |
(1) Usable negative pressure for Geberit piping systems: The usable negative pressure is calculated on the basis of the air pressure at the place of installation minus the absolute pressure of 200 mbar. Example: 980 mbar air pressure - 200 mbar absolute pressure = 780 mbar usable negative pressure in the piping system.

