Forsheda 911 Sealing Systems for Connecting Pipes to Manholes

System description

Trelleborg's F-911 is a combined variant of elastomers and plastic support rings, which allows for simplification of various connection possibilities on the construction site.

Forsheda 911. Design and funtion. Trelleborg

Seal Performance

F-911 meets the requirements of all current relevant European standards.

Rubber

Material

  • Synthetic SBR or EPDM rubber
  • Hardness 40±5 IRHD
  • Approved in accordance with EN 681-1
  • Protected against ozone
  • Available in oil resistant material

Seal Dimensions

Examples of Sizes (mm)

Technical Data Forsheda 911-1B Forsheda 911-1
 Forsheda 911-2
 Forsheda 911-2B
 Forsheda 911-3
 Forsheda 911-3B   Forsheda 911-4
Pipe diameter range 24-50
mm
60-100
mm
105-175
mm 
105-226
mm
159-285
mm
250-368
mm
286-400
mm
Article no 1500421 1602823 1562020 1782324 1632223 1993923  1774721
Connect pipe diam. (1)
Max. angular deflection
25
mm
40°
60-70
mm
45°
105-125
mm
45°
105-125
mm
45°
195-226
mm
35°
250-279
mm
40°
286-330
mm
30°
Connect pipe diam. (2)
Max. angular deflection
32
mm
35°
71-84
mm
30°
144-159
mm
30°
144-159
mm
30°
235-275
mm
30° 
280-309
mm
30°
331-375
mm
15° 
Connect pipe diam. (3)
Max. angular deflection
40
mm
33°
85-100
mm
15°
160-175
mm
15°
160-175
mm
20°
276-285
mm
15° 
310-339
mm
20°
376-400
mm
10° 
Connect pipe diam. (4)
Max. angular deflection
50
mm
30°
-
-
-
-
195-226
mm
10°
-
340-368
mm
10°
-
Drill Ø, mm  

138 -1+0

138 -1+0

 250-2+0
305-2+0
341-2+0   426-2+0 
475-2+0
Forsheda 911.Trelleborg

Dimensions and designation

Data in mm.

On each seal, profile thickness, outer diameter, recommended pipe measurement and production period are given. The corresponding data are also on the packaging.

Subject to change for technical reasons

Service

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Please contact Trelleborg Pipe Seals for technical advice and joint design recommendations to meet your performance requirements. We will be happy to support you.

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Video Joint Assembly

Forsheda 911.Trelleborg

Step 1

Lubricate the drilled or prefabricated hole using F-992 Lub.

Forsheda 911.Trelleborg

Step 2

Place the seal in the hole and tap it into the correct position using a rubber or plastic mallet. Tap the end of the short plastic supporting ring that is fitted in the seal.

Forsheda 911.Trelleborg

Step 3

Decide which size collar is appropriate for the connecting pipe. Cut away the surplus part of the coupling using a knife. A special recess is provided for this purpose.

Forsheda 911.Trelleborg

Step 4

Lubricate with a thin coat of F-992 Lub over the rubber part. Connect the pipe and fit the clamping band in place.

Tighten the screw so that the rubber is compressed against the connecting pipe.

Downloads

More detailed information

Datasheet Forsheda 911

 

Download (pdf)

Certificates

Technical Approvals, Patents, Quality Standards

BVQI
Kitemark
CE Mark
Kiwa
MFPA
FBS

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