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Shut off valve -
Drain valve -
Electro hydraulic valve -
Fire retardant breathable cap -
Ammonia stop valve -
globe valve -
Flame arrester -
Needle valve -
Low temperature valve -
Solenoid valve -
Other valves
Contact Yonglong
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Mobile: 15900658318 -
Fax: 021-57568296 -
Email: 1257073858@qq.com -
Address: Nanting Highway, Fengxian District, Shanghai -
2788
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Signal ball valve with audible and visual alarm device The HQ411F-25P signal ball valve with audible and visual alarm device can be set according to the on-site control requirements. When it is manually opened or closed, the audible and visual alarm device is connected, and the audible and visual alarm prompts the working status of the signal ball valve, reminding the on-site personnel to pay attention to the safety precautions Consult immediately View details -
Signal ball valve The signal ball valve is used to connect the limit switch to the manual ball valve with a bracket, use the opening or closing position of the annunciator to output the signal of the switching value (contact), and be accepted by the program controller or sampled by the computer to confirm the opening and closing status of the valve Consult immediately View details -
Ball valve with feedback signal HQ411F-16PDN15 ball valve with feedback signal, also known as ball valve with signal feedback, is composed of manual stainless steel ball valve and receiver (mechanical or proximity type), which is mainly used in situations where the signal feedback display of the switch is required when the switch position is manually operated Consult immediately View details -
Ball valve with limit switch Yonglong brand signal ball valve: the ball valve with limit switch is equipped with a limit switch device on the manual ball valve, which transmits the open and close position signals of the actuator and the valve to the site and remote operation station through the limit switch Consult immediately View details -
Ball valve with position switch Shanghai signal ball valve manufacturer: the ball valve with position switch is used to realize sequence control, positioning control and position status detection. Its products are widely used in petroleum, chemical industry, water treatment, shipping, paper making, power station, light industry and other fields Consult immediately View details -
Ball valve with valve position display Shanghai Yonglong signal ball valve: the ball valve with valve position display rotates the transmission shaft through the coaxial connector or feedback rod, so that the cam can touch the micro switch, thus making the contact of the switch assembly close or open, and transmitting the switching value signal to the outside through the wiring terminal Consult immediately View details
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