Explanation/Annotation:Head, with double-sided polymer coating. For water feed on races
standing under working pressure up to 1, 6 MPa on some interval working òåìïåðàò
Ur from +40 to - 40 degree. With cool climates.
Detailed model description:Arm length in guerrilla-roll, MM 20 +/- 1
test pressure, not Maine, MPa (êãñ/ñì) 2, 0 (20)
burst pressure, no less than, MPa (êãñ/ñì) 3, 5 (35 )
brittle point of compensation, not higher than, hail with - 40
depth of external coating layer, not more, MM 0, 5
tensile elongation in production pressure, not more, % 5
fractional increase of diameter in production pressure,
not more, % 8
stability to abrasive wear, No less than, cycles 500
burning time by the heat bar (t=450 degree. C)
arm, filled by the water at a pressure of 1, 0 MPa,
pressing force of bar 4 H:, no less than, sec 30 |
N 1