advantage
1, explosion-proof solenoid valve operation and long life.
2, explosion-proof solenoid valve operating system: sub-long work, repeated short-time working and short-time work three. Explosion-proof solenoid valves are long-term work system, which allows the coil is energized to work long-term. For a long time the valve opening of the case is only a short time off, are advised to use a normally open solenoid valve. In the short-time working with large quantities when, you can make a special order to reduce power consumption.
3, explosion-proof solenoid valves operating frequency: frequency of demanding action, the structure should be optimized direct acting solenoid valve, the power to listen preferred exchange.

effect
Proof solenoid valve coil casing which not only has to withstand the pressure of the gas explosion explosion effect, but also has a gas explosion energy transfer blocking effect and higher safety performance. Is specially designed for the transmission medium or explosive is dedicated to the explosive dangerous places special solenoid valve series, different environments and different fluids should choose explosion proof solenoid valve.

Founded in 1965, Yuyao No.4 Instrument Factory has been a professional manufacturer of solenoid valves and has enjoyed an excellent reputation through the past more than 50 years in China. With the introduction of foreign cutting-edge technology, and the sustained innovation and self-improving, the company has mastered the key technology and is keeping pioneer position in the field of fluid solenoid valve.

The company is certified by the ISO9001:2000 and the GJB9001A-2001 military quality system, we have production license and 3C certificate for Ex-proof products, many products have passed the CE、ROHS、ACS、FDA、UL etc. international certifications. The company participated in drafting the national safety standards for GB30439.6—2014 solenoid valve, and is authorized to manufacture customized solenoid valves for the military products.

The company is equipped with superior production machines, advanced process flows, complete testing systems; the products have sophisticated structure, reliable performance, fine outlook and reasonable price, covering over 40 series and 3000 specifications, having been exported to more than twenty countries and areas, such as USA, France, UK, Germany, Italy, Australia, Russia, Taiwan, and the middle east countries etc., and our distributors spread all over the whole country.

The company owns high quality staff and professional R&D group, with strict and innovative attitude, we can customize products to cater specific requirements of customers, and provide fast-response after-sale support. We persist in “customer-first, integrity, human-oriented, excellence”, offering satisfied products and service to the customers on-promise, enhancing the “Round Star” brand.

Sincerely welcome to visit our company, looking forward to having a nice cooperation and common development.