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EM-Technik GmbH - Industriestraße 2 - 67133 Maxdorf - Germany
[email protected]

www.em-technik.com

4

2 Manufacturer’s Speci

fi

 cation

2.1 Description

Wherever 

fi

 xed connections are required, at process 

transitions from rigid pipe to 

fl

 exible hose lines or at pipe 

ends, the 3W welding adaptor is used. It is suitable for 
both butt and socket welding processes and thus offers 
users a great deal of freedom during installation.

2.2 Transport and Storage

• The welding adaptor must be protected against me-

chanical damage, moisture, dirt and dust. The storage 
temperature range is 10 – 40°C. 

•  Avoid UV radiation and direct sunlight.
•  Leave the connector in its original packaging to ensure 

the best possible protection.

•  Dispose of the packaging material according to dispo-

sal requirements/environmental protection regulations.

3 Technical Data

3.1 Dimensions

The exact dimensions of the 

fl

 exible tube connector 

can be found on our homepage under the following link: 
www.em-technik.com
Special sizes can be asked via [email protected]

3.2 Operating Medium

•  Gaseous and liquid media that do not negatively affect 

the physical and chemical properties of the relevant 
housing and sealing material. 

•  If you have questions about resistance please contact 

em

technik.

•  For the maximum permitted operating pressure/tempe-

rature see the pressure guide.

3.3 Pressure Guide

As the temperature rises, the effectiveness of the con-
nector falls, as shown by this table.

Material

PP

PVDF

PFA

Pressure 

Stage

PN 10

PN 10

PN 10

-40°C

75%

75%

-20°C

100%

100%

   5°C

100%

100%

100%

20°C

100%

100%

100%

30°C

80%

80%

90%

Material

PP

PVDF

PFA

Pressure 

Stage

PN 10

PN 10

PN 10

40°C

70%

70%

85%

50°C

60%

60%

80%

60°C

50%

50%

70%

70°C

40%

45%

60%

80°C

30%

40%

50%

90°C

20%

35%

40%

100°C

35%

40%

110°C

30%

35%

120°C

25%

30%

130°C

25%

30%

140°C

10%

25%

150°C

20%

160°C

15%

170°C

10%

180°C

10%

3.4 Connect Welding Adaptor

The welding adaptor is attached to the pipe ends using 
the butt or socket welding method.

3.5 Connect hose/tube side and male threa

• The welding adapter has a 1+, 1A, 1C or 1D series 

hose connection. 

•  Also available with pipe connections for the 2N series. 
•  Alternatively, the welding adapter can be manufactured 

with external thread.

•  For the instructions of the hose or tube 

fi

 tting,  please 

refer to the instructions corresponding to the connec-
tion principle under 

www.em-technik.com/en/technical-

information/assembly-guides

4 Assembly and Operation

4.1 Assembly Instructions

•  Make certain the connector is suitable for the relevant 

application. The connector must be suitable for the 
operating conditions of the linesystem (medium, con-
centration, temperature and pressure) as well as the 
relevant ambient conditions.

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