Operating Temperature: 0–100 °C (For cold and hot potable water)
Maximum Operating Pressure: 16 bar / 1600 kPa (For cold and hot potable water)
Material: CrNiMo Steel 1.4401 (EN 10088), CrNi steel nut
Seal Ring: CIIR (Chlorobutyl) black
Flat Gasket: EPDM, suitable for media temperatures between 0°C and 100°C
Molybdenum Content: Minimum 2.3%
Corrosion Resistance: Exceptional corrosion resistance due to elevated molybdenum content, ensuring long-lasting durability
Protection Plug: Supplied with a transparent plug to protect pressing sockets from contamination during transport and storage
Description
The Geberit Mapress Stainless Steel Union with CrNi Steel Nut is designed for secure and durable connections between pipes in press-fit systems, where high resistance to corrosion and flexibility are critical. With its CrNi steel nut and advanced sealing properties, this union is ideal for use in a wide range of applications, including potable water systems, industrial processes, heating and cooling systems, and gas installations. The union allows for easy disassembly and reassembly, making it perfect for systems that require regular maintenance or modification.
Key Features
Pressing Indicator: Features a visible pressing indicator that ensures proper pressing and leakproof connections, enhancing system reliability and safety.
Seal Ring: Equipped with a CIIR (Chlorobutyl) black seal ring that provides a durable, leakproof connection even under high pressure and temperature.
Flat Gasket: Includes a flat gasket made of EPDM, suitable for media temperatures ranging from 0°C to 100°C, ensuring a secure and adaptable seal for various liquids and gases.
CrNi Steel Nut: The union nut is made of high-quality CrNi stainless steel, providing excellent corrosion resistance and strength in high-stress installations.
Leakproof Protection: Supplied with a transparent protection plug to safeguard the pressing socket from dust and dirt during transport and storage, ensuring a clean installation.
High Molybdenum Content: Manufactured from CrNiMo steel 1.4401 with a minimum molybdenum content of 2.3%, offering exceptional corrosion resistance, particularly in aggressive environments such as chemical and industrial applications.
Versatile Applications: Suitable for a broad range of applications, including potable water, heating and cooling systems, compressed air, chemicals, industrial gases, and extinguishing water systems.
Fire-Safe Installation: No welding or soldering is required, making installation quicker, safer, and eliminating fire hazards.
SKU
Article Number
DN
d
G
L
Z
487752
35390
12
15 mm
3/4 ″
6.6 cm
2.6 cm
487753
35391
15
18 mm
3/4 ″
6.9 cm
2.9 cm
487754
35392
20
22 mm
1 ″
7.2 cm
3 cm
487755
35393
25
28 mm
1 1/4 ″
7.7 cm
3.1 cm
487756
35394
32
35 mm
1 1/2 ″
8.2 cm
3 cm
487757
35395
40
42 mm
1 3/4 ″
9.5 cm
3.5 cm
487758
35396
50
54 mm
2 3/8 ″
11.3 cm
4.3 cm
Application Purposes
Operating Temperature
Maximum Operating Pressure
For cold and hot potable water
0–100 °C
16 bar / 1600 kPa
For cooling and heating water without antifreeze agent
0–100 °C
16 bar / 1600 kPa (1)
For cooling and heating water with antifreeze agent
–30 °C to +120 °C
16 bar / 1600 kPa (1)
For district heating water ≤ 120 °C
0–120 °C
16 bar / 1600 kPa (1)
For saturated steam ≤ 120 °C
0–120 °C
2 bar/200 kPa (1)
For service water and process water
0–100 °C
16 bar / 1600 kPa (5)
For treated water
0–100 °C
16 bar / 1600 kPa (6)
For rainwater with a pH value of > 6.0
0–100 °C
16 bar / 1600 kPa
For grey and black water with pH value > 6.0
0–100 °C
16 bar / 1600 kPa
For extinguishing water (wet)
0–100 °C
16 bar / 1600 kPa
For sprinklers (wet)
0–100 °C
16 / 10 bar 1600 / 1000 kPa
For chemicals and technical liquids
Upon request
Upon request (5)
(1) Use of inhibitors, corrosion-protection agents, antifreeze agents only after approval by Geberit
(2) Lifetime with collector standstill: 200 h/a at 180 °C; 60 h/a at 200 °C; total 500 h/lifetime at 220 °C
(3) 10 bar / 1000 kPa for MasterFix and MeplaFix
(4) 16 bar / 1600 kPa for d22–76.1 mm, 10 bar / 1000 kPa for d88.9–108 mm
(5) Following Geberit approval
(6) Application range according to TI "Treated Waters"
Application Purposes
Operating Temperature
Maximum Operating Pressure
For Compressed Air (Oil Purity Class 0-3)
0-100°C
25/16/12 bar
2500/1600/1200 kPa (5)
(5) Oil purity class in accordance with ISO 8573-1:2010E; for details on moisture and particles, see technical information "Geberit Piping Systems for Compressed Air Installations"
IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.
