Different size brake chambers are identified by numbers which specify the effective area of a diaphragm.For example,a type 30/30 Spring Brake has 30 square inches of effective area on each diaphragm.The standard diaphragm material is a compound of natural rubber with a fabric interior of nylon.We have the diaphragm type,T9,T12,T16,T20,T24,T30,T36 normal size and long stroke size.Click below each type will show clear details.
