Customers have voiced complaints about GM lifter failures across a wide range of V8-powered vehicles. Which leads us to ask - ...

it is best to understand the challenges of sealing a valve stem and explain how this might be done. Control and block valves fall into one of two major categories: sliding stem or rotary. A sliding ...

ISA96.05 – The technical report is limited to providing guidance related to using partial stroke testing of block valve actuators in safety instrumented system (SIS) applications; it is informative ...

The positive crankcase ventilation valve releases exhaust gas and unburned fuel from the engine block into the intake manifold. All engines allow some exhaust gases, unburned fuel and oil to ...