Geberit Mapress CuNiFe Stem Elbow 60°
Technical Specification
- Manufacturer: Geberit
- Material: CuNi10Fe1.6Mn, material no. 2.1972.11
- Operating Temperature: 0°C to 100°C
- Maximum Operating Pressure: 13 bar (1300 kPa)
- Applications: Industry, shipbuilding, salt water pipework
Description
This 60° stem elbow forms part of the copper/nickel/iron press fitting system trusted throughout civil and military shipbuilding. The cupro-nickel alloy delivers exceptional corrosion resistance, making it particularly well suited to salt water applications, including saturated solutions up to 25%.
One end features a press socket, whilst the opposite end is supplied as a plain stem, allowing a neat directional change of 60° within tight installations. The compact geometry reduces the space required and permits closer fitting combinations. Suitable applications include seawater and salt water cooling systems, service and process water, cooling and heating water, wet sprinkler and extinguishing systems, compressed air, and inert gases.
Key Features & Benefits
- High corrosion resistance: The copper/nickel/iron alloy withstands salt water and saturated saline solutions, ideal for shipbuilding and offshore use.
- Reliable press connection: The pressing indicator and contoured seal ring cause any unpressed joint to leak during pressure testing, so faults are identified before commissioning.
- Compact 60° geometry: The tight, space-saving design enables closer fitting combinations in confined pipe runs.
Materials & Dimensions
| Product Code | Manufacturer Code | DN | d, ø (mm) | arc ° | L (cm) | H (cm) | Z (cm) |
|---|---|---|---|---|---|---|---|
| 493813 | 68817 | 25 | 28 | 60 | 5.4 | 6.1 | 3.1 |
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.
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