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Simplex Armaturen & Systeme GmbH   

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   Isnyer Straße 28 

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  Phone  +49 75 66 94 08-0  

www.simplex-armaturen.de  

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   88260 Argenbühl - Germany 

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   Fax 

+49 75 66 94 08-75

EN

05/2019

VSH SUPER Compression Fittings

Technical Information 

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 Installation Instructions

 

 

 

Installation instructions

A.  Cut pipe to length (saw or cut)
B.  Deburr pipe ends and check for scratches, impurities and   

 deformations.
C.  Check for proper position of clamping ring on fitting. Slide  

  pipe through clamp ring to the stop in the fitting. The clamp  

  ring must be seated on the pipe as shown in Fig. 1.
D.  Tighten union nut by hand (it is recommended to apply a   

  waterproof mark) and then tighten according to the prescri- 

  bed number of revolutions in table 1.
E.  Then check the connection for leak-tightness (take local    

  regulations for the media used into consideration).
If leaks are found after installation, disconnect the pipe and check 

for damages. Then tighten the union nut hand tight and retighten 

with the spanner 1/8 to 1/4 turn, since the clamp ring is already in 

a clamping position.

 A. 

B.

Prescribed number of rotations for tightening

Dimensions

Type of pipe

6 to 12 mm

15 to 28 mm

35 mm

42 mm

54 mm

Copper

1

1

3/4

3/4

3/4

Thin-walled steel/stainless steel

1

3/4

3/4

1/2

1/2

Plastic (PEX) with support sleeve

1 1/4

1 1/4

1 1/4

-

-

 C. 

D.

Table 1

A

A

B

C

D

E

A

B

C

D

E

Abb. 1

Abb. 2

Abb. 3

Abb. 4

A

A

B

C

D

E

A

B

C

D

E

Abb. 1

Abb. 2

Abb. 3

Abb. 4

A = housing
B = union nut
C = clamp ring
D = pipe
E = abbutting edge 

      

Function

The clamp ring sits on two conical holes in the housing 

and the union nut (see Fig. 1). The conical hole on the 

housing has a smaller angle than that of the union nut. 

With this design the tightening of the locking ring results in 

deformation of the housing first and then in the union nut. 

This prevents the pipe from turning during assembly.  

Fig. 2 shows the clamp ring connection after assembly. 

When the union nut is tightened as prescribed, the clamp 

fitting and pipe are permanently connected.

Notice: Over tightening the union nut may result in leaks or even breakage of the nut!

Fig. 1

Fig. 2

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