Main spring is specially coated with zinc phosphate base then e-coated for maximum corrosion protection to reduce the chance of failure.
Diaphragm is made of high quality contaminate resistant rubber.
Center seal provides maximum protection against air leaks and retains lubricants to extent life.
Rating working pressure 800Kpa
Maximum working pressure 1 Mpa
Ambient Temperature - 40℃ ~ +80℃
Life time Service chamber : ≥ 1,000,000 cycles
Leading Standard SAE J1469 -95 .