The Haldex GoldSeal Double Diaphragm Spring Brake is the ultimate solution for your chamber brake needs. This chamber brake is designed for maximum air pressure of 150 psi, with a pushrod length from face of service housing of 10" and a service clampband dimension of 9.4". The Haldex 150 psi 9 Gauge Steel GoldSeal Double Diaphragm Spring Brake is resistant to corrosion and fatigue, with self-piloting dust shield and superior power spring technology. It is also resistant to heat and cold, with two O-rings for effective sealing and long-lasting plastic bearings. The advanced powder coating process ensures durability and longevity you need for your semi truck. FleetPride is your First Click in Heavy Duty®.