HAK pneumatic (3 Way / 3 Port / 2 Position) mechanical valve with Momentary Roller Lever, NPT 1/4" (MSV98322R) #8481.2052 They are often simply just

They are often simply just called one-way air valves

low-temp Oil Working Medium (PTFE MATERIAL) Steam

4" 0-160 1/4" NPT HAK-LPG40-200-LM

A check valve allows the flow of air in and prevents it from going out

HAK PNEUMATIC PRESSURE GAUGE is widely used in machinery

HAK pneumatic (3 Way / 3 Port / 2 Position) mechanical valve with Momentary Roller Lever, NPT 1/4" (MSV98322R) #8481.2052 They are often simply justDescription * Pneumatic Mechanical Momentary Roller Lever Valve Type: 3 Port 2 Position Normally closed.* A High Quality Valve body is made of Aluminium material, with long serving life; seals initially imported from Japan.* The Anti friction seal is added at both ends of the valve spool to make the valve spool more stable during the switching process and increase the valve lifetime.* This is a Three way, air pilot valve with a spool design requiring