globe valve / pneumatically-operated / isolation
The HPS®, manufactured by MKS Instruments, is a type of isolation valve. The manufacturer is a great provider of bellows, manually, pneumatic or electro pneumatic valves. These valves are placed in a heated or unheated angle and inline configurations. They also have safety shut off valves and soft start valves.
The pressure control valves consist of pendulum, butterfly, vane, etc.