Stainless steel as pneumatic valve greasing must pay attention to the problem

Stainless steel by the pneumatic valve is one of the pneumatic valve we often use at ordinary times, it in greasing what problem should note? Let's say in detail.





stainless steel by the pneumatic valve greasing, often ignore the pressure problem. In the greasing operation, on the pressure changes regularly with peak valley. Pressure is too low, seal leakage or failure, the pressure is too high, on the lipid in hardening the jams, seal or seals of the pneumatic valve, pneumatic valve plate to the death. Usually fat injection pressure too low, injecting grease into the pneumatic valve at the bottom of the cavity, more commonly occur in small brake pneumatic valve. And fat injection pressure is too high, on the one hand, to check on the mouth, so fat pore blocking determine to change the situation; Is lipid hardening on the other hand, to use cleaning fluids, repeated failure sealing grease of softening, and inject new replacement grease. In addition, sealing type and sealing material, also influence on the pressure, different seal forms have different fat injection pressure, usually hard seal fat injection pressure is higher than the soft seal.


pneumatic valve maintenance generally is in open state, when special circumstances to choose shut down maintenance. Other pneumatic valves are not all in open position. Brake pneumatic valve must be closed during maintenance, to ensure the sealing ring is full of grease seal grooves, if open, sealing grease directly off the inflow, or pneumatic valve cavity, wasteful.