Are you still distressed about not being able to find a suitable supplier of stainless steel ball valves? Are you still anxious about not being able to find a manufacturer of stainless steel ball valves that offers both high quality and affordable prices? Our company is located in Longwan District, Wenzhou City, China, which is also known as the “Hometown of Valves”!
The stainless steel ball valves we produce feature low fluid resistance, a simple structure, excellent sealing performance, fast opening and closing speeds, and convenient disassembly and maintenance. Additionally, this stainless steel sanitary three-piece flange-connected ball valve has anti-static and anti-stem disengagement functions. The sealing material inside the valve body is made of Teflon, also known as PTFE, which is resistant to high temperature, high pressure, and corrosion. The flange standards at both ends can be customized according to customer requirements. The main flange standards are provided below for your reference: Common standards for stainless steel flanges include:
National standards (GB)
• GB/T 9112 – 2010 (GB9113·1 – 2010～GB9123·4 – 2010), which covers various types of flanges and two pressure marking systems, PN (12 levels) and Class (6 levels).
American standards
• ANSI B16.5: Specifies flanges from 1/2″ to 24″ with different pressure classes like 150Lb, 300Lb, 600Lb, 900Lb, 1500Lb, etc.
• ANSI 16.47 Class 150, 300, 600, 900, 1500 (TH, LJ, SW): Applicable to large – diameter flanges.
Japanese standards (JIS)
• JIS 5K, 10K, 16K, 20K: These standards cover different types of flanges such as PL, SO, BL, WN, TH, SW, and use K to represent the nominal pressure.
German standards (DIN)
• DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634, 2545: They include various flange types like PL, SO, WN, BL, TH.
Other standards
• European standards (EN): Mainly EN1092 – 1, EN 1759.
• British standard: BS4504.
• International standard: ISO 7005 – 1, which combines the European and American systems.
