1. The fluid resistance is small, its resistance coefficient with section of equal length.
2. Simple structure, small volume, light weight.
3. Compact and reliable, the widespread use of plastic ball valve sealing surface of materials, good sealing, also has been widely used in the vacuum system.
4. Easy to operate, open and close quickly, from open to close just rotate 90 °, is advantageous for the remote control.
5. Easy maintenance, simple structure of ball valve, sealing ring, which generally remove replacement is more convenient.
6. In the fully open or fully closed, the ball and seat sealing surface and the dielectric isolation, medium through, can not cause the valve sealing surface erosion.
7. Applicable scope is wide, size from small to several millimeters, big to a few meters, from high vacuum to high pressure can be applied. Ball rotated 90 degrees in the inlet and outlet should be completely present spherical, thereby blocking flow.
Used in the oil refining, long pipeline, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal, iron and steel industry, etc. Can be used with the pump.
Why Choose Us
Shanghai Haoyang Pump Valve Manufacturing Co., Ltd.designed and manufactured for over 10 years in Shanghai,China. HaoYang Air-Operated Double Diaphragm (AODD) pumps have earned industry recognition for premium quality and innovative design. And we supply accessories and components suitable for most AODD pump installations.To ensure suitability for a variety of media, wetted parts are available in numerous optional materials.
Focus on customer satisfaction is supported with quality and reliability, validated by CE certifications.We specify only the most durable materials that are dependable and long-lasting. When we combine the highest-quality products with topnotch customer care, we get outstanding value.
HY have attented China (Shanghai) International Architectural Coatings&Chemical Materials Expo and
IE expo for several times, our product are highly recognized by customers.
2.Strict quality control and good
Companies to high-quality
products, reasonable prices, good
pre-sale, sale, after-sales service
to meet customer needs.
Complains hot line is opened 24 hours
everyday, so that we can deal with the
customers’ feedback information
immediately and listen to our customers'’
suggestions, make records and take
actions to improve our services.