Application
Check valve is used in stainless steel pipe system to prevent reverse flow.
Working principle
The valve opens when the pressure below the valve plug exceeds the pressure above the plug plus spring force.
The valve close when pressure equalization has been achieved
A higher counter pressure will press the valve plug against the seat and makes the valve closed
Material
SS304/316L
Sealing material: EPDM
Connection style
Welded, threaded, clamped, flange
To assure the connection and substitution with imported facilities, all the connection styles with pipe or equipment are made to DIN 11850, IDF/ISO, SMS international standard size.
Technical date
Required differential pressures to turn on the valve that fitted in a vertical pipeline are about:
Max. Pressure for transfer material: 10 bar
Max. Temperature: 140° CEPDM
Min. Temperature: -10° C
Yuan'an Liquid Equipment Co., Ltd. Has been one of the professional high accuracy hydraulic-equipment manufacturers since 1999. Our name is remembered by many well-known enterprises, such as Shanghai Guangming, Uniliver, Guangzhou Daneng and Huiyuan Group. And also some yuan-an international competition companies
Yuan'an has set up two factories, including Shanghai Yuan'an and Zhejiang Yuan'an. There are five departments, including Sanitary steel tube department, Sanitary valve department, Sanitary pipe fitting department, Sanitary pump department, Sanitary steam valve department. Our products are widely used in dairy, beer, food, pharmacy, beverage, cosmetic, chemical industries and etc.
The pursuing of quality is endless in Yuan'an. We use first-class digital-controlled machines like CNC for production. Raw materials supply from Shanghai No. 5 Steel and Taiwan Walsin Lihwa Corp. All of our products are made according to industrial standards ISO, IDF, DIN and 3A. All product quality meets GMP requirements. At the beginning of 2003, Yuan'an stepped into international markets. Our automatic pneumatic butterfly valves, diaphragm valves and etc products have been exported to America, which fills the gap of sanitary hydro-equipment export in China. It also indicates that the product quality of Yuan'an has been recognized by the world market.
We provide equally outstanding after-sales services and competitive prices with our high quality products. And yuan'an is not only admitted by customers, but also attended by local & international competitors.
