Light Duty
Type
Type 1A : Rough bore, light weight
Type 1B : Smooth bore, light weight
Type 2A : Rough bore, medium weight
Type 2B : Smooth bore, medium weight
Construction
Lining Material : Resistant to Petroleum Liquids
Reinforcement : Cotton textile/synthetic material with G.I. embedded wire
Cover : Weather abrasion & petroleum products resistant
Electrical Continuity : Anti-static copper wire
End Connections : Flanged type or threaded nipple i.e. built in type/vulcanize/crimped/swaged
Couplings : As per BS 2464/Lug type/Camlock type male/ female
Application
Discharging petrol and diesel oil from tank truck & between tank, trucks & trailers (very low deformation when used for petrol)
Pressure, vacuum and self discharge
I.D (mm)
Working Pressure 1A & 1B kgf/cm2
Min. bend radius 1A & 1B mm
Working Pressure 2A & 2B kgf/cm2
Min. bend radius 2A & 2B mm
32
3.5
130
7
190
38
3.5
150
7
230
50
3.5
200
7
310
63
3.5
260
7
380
76
3.5
310
7
460
100
3.5
410
7
560
Different types of construction in BS 3492
-
Type 1A
Working Pressure : 3.5 kgf/cm2Bursting Pressure : 14 kgf/cm2Test Pressure : 7 kgf/cm2 -
Type 1B
Working Pressure : 3.5 kgf/cm2Bursting Pressure : 14 kgf/cm2Test Pressure : 7 kgf/cm2 -
Type 2A
Working Pressure : 7 kgf/cm2Bursting Pressure : 28 kgf/cm2Test Pressure : 14 kgf/cm2 -
Type 2B
Working Pressure : 7 kgf/cm2Bursting Pressure : 28 kgf/cm2Test Pressure : 14 kgf/cm2
