FLANGED BELLOWS

Flanged bellows, also known as rubber compensator bellows, from Truco provide flexibility in pipelines as well as facilitate movement in the pipes without damaging or cracking the system.

Truco's vibration- and noise-reducing flanged bellows are rubber-reinforced with a synthetic polyester cord and are compression moulded to the highest levels of accuracy and safety - providing you with a durable, abrasion-resistant rubber bellow.

Features and benefits:

Table/D, 10/3 and 16/3 flange sizes available ex-stock
Custom sizes available
Eliminate vibration and noise from pipework
Rubber-reinforced with polyester chord for durability
Delivery within 1 - 2 days from order
Tie-rods available for high-movement applications

Industrial plants can instantly reduce the risk of damage to pipelines by installing flanged rubber bellows from Truco With an extensive stock holding, Truco's customers benefit from immediate availability across South Africa, including Johannesburg, Cape Town and Durban, as well as across Africa.

 

Truco warranties its entire range of rubber bellows against inferior quality of material and bad workmanship.

Truco's flanged bellows are available in the following nominal bore (NB) sizes:

FLANGED BELLOWS SPECFICATIONS

Nominal
Diameter
Overall
Length
Compressed
& Extended
Length
Allowable
Movement
(mm)
Operating
Pressure
Vacuum
Imperial Metric NB mm Extended Axial
Compression
Axial
Extension
Lateral
Deflection
Angular
Deflection
KPA @ 80°C mm Hg
1½" 40 95 87-99 10 6 9 15° 1600 660
2" 50 105 99-110 10 7 10 15° 1600 660
2½" 65 115 103-121 13 7 11 15° 1600 660
3" 80 130 118-133 15 8 12 15° 1600 660
4" 100 135 117-145 19 10 13 15° 1600 660
5" 125 170 152-180 19 12 13 15° 1600 660
6" 150 180 162-190 20 12 13 15° 1600 660
8" 200 205 180-220 25 16 14 15° 1600 660
10" 250 240 215-254 25 16 22 15° 1600 660
12" 300 260 235-274 25 16 22 15° 1600 660
14" 350 265 240-281 25 16 22 15° 1000 660
16" 400 265 240-281 25 16 22 15° 1000 660
18" 450 265 240-281 25 16 22 15° 1000 660
20" 500 265 240-281 25 16 22 15° 1000 660
24" 600 265 240-281 25 16 22 15° 1000 660

Tie-rods available for high-movement pipelines

Truco provides tie-rods to control the compression and the extension of the rubber flanged bellow in a pipeline. Tie-rods are threaded and fitted with two triangular gusset plates that are drilled to match the Pitch Circle Diameter (PCD) of the bellows' flanges. Tie-rods are used in applications where there is vigorous pipe movement present and stability is required.

Truco's flanged bellows are made from:

rubber bellows with tie-rods

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