V-PKB
V-PKB (acid-resistant) - asbestos-free acid-resistant rolled material. For fixed joints of the "smooth", "thorn-groove", "protrusion-depression" type of vessels, machinery, pumps, fittings, pipelines, compressors, internal combustion engines and other units.
Specs:
|
Names of indicators |
Value |
|
Density g/cm3 |
2,0-2,5 |
|
Conditional tensile strength in the broadwise direction, MPa (kgf/cm2, bar), not less than |
6,0 (60) |
|
Compressibility at 35 MPa,%, not less than |
13,0 |
|
Recoverability after relieving 35 MPa, %, not less than |
30,0 |
|
Increase in mass in liquid environs, at the specified temperature, %, no more than: - in 10% nitric acid in accordance with GOST 4461 at 100°C, for 5 hours -in 10% sulfuric acid in accordance with GOST 4204 at 100°C, for 5 hours -in 10% hydrochloric acid in accordance with GOST 3118 at 100°C, for 5 hours |
20 25 25 |
|
Maximum allowable pressure, MPa (kgf / cm2, bar) |
4,0 (40) |
|
Temperature range, оC |
от -40 до +250 |
|
Thickness, mm |
0,5; 0,8; 1,0; 1,5; 2,0; 3,0; 4,0 |
|
Standard dimensions, mm |
1500х1500; 1500х3000 |