Size Level

Low Pressure

Medium Pressure

High Pressure

a

b

c

d

e

Working Pressure Mpa

≤ 0.3

≤ 0.5

≤ 0.7

≤ 1.0

≤ 2.5

Explosion Mpa

≥ 0.9

≥ 1.6

≥ 2.2

≥ 3.2

≥ 7.9

Length Change %

± 7

± 7

± 7

± 7

± 7

Viscocity N/cm

≥ 15

≥ 15

≥ 15

≥ 15

≥ 15

Heat Aging

≥ 70 ± 1 ℃ 72h No crack

Tensile Strength change %

≥ +25

Rupture Elogation %

≥ 10-30

Outer Diameter change %

≤± 7

Ozone resistance

40 ± 2 ℃ 50pphm ≥ 72h

Nominal Inner diameter mm

10 12.5 16 20 25