According to refrigeration express reporter, refrigeration pressure gauge products need to clean the process, but many manufacturers do not have this process. The VAB seismic refrigerant stainless steel pressure gauge is ultrasonic cleaning process, the process of the effect is very good, high cleanness, clean speed, need not hand touching cleaner, safe and reliable, to crack, concave and convex surface, deep hole can be cleaned, the surface without damage, save heat energy, cleaner, sites and artificial, etc.
Different from the medic pressure gauge, in the pressure holding test and vacuum process, many refrigeration pressure gauge manufacturers are directly removed these processes. VAB stainless steel shockproof refrigerant pressure gauge is in strict accordance with the German standard, each pressure gauge after 48 hours, stable performance will be released from the factory. Each instrument is vacuumized to ensure the normal operation of the product. Without vacuumizing, refrigerant pressure gauge can not function as negative pressure.
In the welding process, there are direct manual welding, laser welding and other processes. The refrigeration pressure gauge products using manual welding and laser welding process are indistinguishable in appearance. But the products using manual welding process have the hidden danger of air leakage, with a period of time can feel. Laser technology has no such concerns. VAB stainless steel shockproof refrigerant pressure gauge adopts laser welding process.
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