FABRIC EXPANSION JOINTS / BOLSTERS

Townson has the ability to supply fabric joints custom designed to suit a client's individual specifications or can offer a comprehensive range of standard products as specified below. Townson can provide fabric joints complete with
any associated steelwork for temperatures up to 1200 degrees Celsius. Townson fabric joints are available with several external cover materials
designed to withstand the most difficult atmospheric conditions.
Townson fabric joints can be manufactured to any size & transported to site as a complete unit or in kit form for site assembly.

The allowable pressure rating of multilayered fabric joints will vary depending on various parameters. As a guide for general usage, use 0.15 bars as an allowable working pressure.

 
 
 
 
 
 
Townson Standard Range of Fabric Joints:
FS 250      allowable working temperature   250 ํ c
FS 350      allowable working temperature   350 ํ c
FS 500      allowable working temperature   500 ํ c
FS 600      allowable working temperature   600 ํ c
FS 1000    allowable working temperature   1000 ํ c
Definitions
F
=
 Fabric multi Layered joint
S =  Silicone coated fabric outer cover material
250 =  Allowable continuous working temperature
    temperature in degrees ํ c
 
Varations
T
=
 Fluoroelastic Material,
V =  FKM Viton or Florrel Material,
E =  EPDM
     
   
   
 
Effective Length
150
200
250
300
350
400
Axial Compression
38
66
83
100
115
132
Axial Extension
15
15
20
20
25
25
Lateral Movement
20
27
33
40
47
53
 
IRPC (THAI ABS)
Position: 14 joints RTO Unit ID. Fan Discharge
Size: OD 37-1/2" x 60-3/8"
Temperature: < 500  ํ C Celsius
Product: FT500M
EGAT SOUTH BANGKOK
Position: Turbine Exhaust
Size: 8,025 mm
Temperature: 700 ํ C Celsiue
Pressure: 1.013 bars
Product: Townson Arched GTT 700
EGAT MAE MOH
Position: FGD Plant Stack Inlet
Size: 7,948 mm x 10,418 mm
Temperature: 180  ํ C Celsius
Pressure: 0.15 bars
Product: FT250
BANGKOK COGEN
Position: Stack Inlet
Size: 17,374 mm x 4,380 mm
Temperature: 180  ํ C Celsius
Pressure: 0.15 bars
Product: FT250