2.5-inch normally closed vacuum valve

Made of high quality 304 stainless steel material, anti-corrosion and high strength for maximum durability.
About -2psi – 5.5psi pressure, and the valve closes in free condition.
High compression resistance, a direct replacement for the old or broken one.
The connecting rod end bearing is connected between the actuator and the gate valve stem.
Easy to install, used to improve the performance of exhaust system.