Cobra Black special, composite hose
These special flexible plastic chemical hoses are, through it’s full polypropylene coupling and lining of the inner spiral, specifically suitable for the transit of acids.
MaterialInner wire
Polypropylene coated steel
Cover
Polyester PVC with black coating
Lining
Lining of Polypropylene
Outer wire
SS 316
Couplings
Polypropylene coupling with SS 316 swivel flanges ANSI 150# on both sides
Maximum working pressure
7 bar
Temperature range
-30° up to 80° Celsius
Maximum twist
10° p/m
Minimum burst pressure
5 times working pressure (safety factor 5:1)
Vacuum
0,9
Electrical resistance
1,0 Ohm p/m >/=2"
Maximum elongation
10% on proof pressure
Diameter
4"
Length
6 meter