Sirène haut-parleur Solutions - Cop sirènes CJB200A

PVC additive solutions for PVC window Profile

If we make PVC window profile, the raw materials beside PVC resin and Calcium carbonate, the PVC additive we will use as follows: 1. PVC stabilizer(Lead based one pack stabilizer or non-toxicl PVC stabilier 2. Stearic acid or Loxiol G60(used as internal lubricants) 3. Polyehtylene wax or loxiol G70(used as external...

Proportional valve failure causes and solutions

(1) Proportional electromagnet failure (1) The proportional electromagnet can not work (can not pass current) due to aging of plug socket [base], poor contact and desoldering of electromagnet. Meter testing can be used at this time, found infinite resistance, you can re-weld the wire, repair the socket and plug the socket....

Marine hydraulic valve malfunction analysis and solutions (Figure)

With the continuous development and improvement of ship automation technology, hydraulic control remote control valves are more and more widely used in ships. The main advantage of the valve driven by the hydrodynamic unit lies in the simple structure, compactness and small volume; the transmission is steady and reliable;...

Pneumatic valve of the common problems and solutions

Symptoms Check item Solution Pneumatic valve can not move 1. Solenoid valve is normal, the coil is burned, the solenoid valve is stuck stolen goods Change the solenoid valve, coil replacement, clear stolen goods 2. The actuator single-unit gas supply inspection, Is normal work, such as cylinder piston blow-gas, cylinder and...