B3 cast steel gate valves are widely used in the industries of oil, chemical, medicine-made, fertilizer, electrical power, etc. as on/off control valves for passing or cutting off the medium. The gate is designed as a wedge elastic gate of easy seal and wearing compensation, seal surface is overlaid with wearing resistant hardened alloy; the seat seal surface overlaid with wearing resistant hardened alloy to be matched with gate seal surface; the stem is specially treated to ensure its strength, rigidity, corrosion resistance and abrasion resistance. B3 gate valve is with reliable seal, safe use and easy operation. Valves are available in a complete range of body/bonnet materials and trims, which are used for the medium of water, steam, oil product, nitric acid, acetic acid, etc.
Applicable Standard| Design Standard | API 600, BS1414, DIN3352 |
| Face to Face | ASME B16.10, EN 558, DIN3202 |
| End Flange | ASME B16.5, ASME B16.47, DIN2533 |
| Buttwelding Ends | ASME B16.25, DIN3239 |
| Inspection and Test | API 598, DIN3230 |
Size: 2" ~ 60"(DN50 ~ DN1500)
Rating: ANSI 150lb ~ 2500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim: Per API 600
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic
Design FeaturesFull port design
OS&Y, outside and screw
Bolted bonnet, back seal structure
Flexible wedge, fully guided
Choice of Solid or split wedge
Renewable or welded seat
Extended stem design for low temperature
Flanged or butt-welding ends
B3 VALVE Group Company is a leading manufacturer of industrial valves in China. All products are designed and manufactured completely as per international standards and selling them well in global markets. Today, more than 90% of our valves are exported to Western European countries, North America, Japan, Middle East of Asia, Australia, etc, and widely used in the fields as Oil & Gas, Refinery, Chemical and Petrochemical, Power Generation, Water and waste water treatment industrial, etc.
We keep in mind that for valves, quality is always the most important. In order to make sure that our customers receive good quality products, we have established strict quality control systems. Now our factories are certified by ISO9001, API6D, CE, AZ, etc. As castings/forgings are the key point for valves quality, all our subcontracted foundries/forging plants are also CE certified and pre-audited to be approved by our own inspectors.
Nowadays, B3 VALVE has over 30 quality control engineers and more than 200 skilled workers. All valves are produced as per relevant international standards. We have labs for material chemical composition analysis and quality examination equipments, such as RT, UT, MT, PT, Fire-safe test etc to guarantee all material tests and each valve should be pressure tested to be satisfactory before delivery. Material test report and pressure test report as per EN 10204 3.1. B will be supplied with our valves.
Concerning quality guarantee, our usual guarantee period is 18 months from delivery date, we can guarantee that our valve will work well in their life circle and we will be responsible for any valves we sold. Our aim is to produce "zero leakage" and "long reliable service life" valves to minimum the "Total Costs".
We always devote to provide the first class valve product and services of fine character and high ratio of performance-price for the current industry. We also know we need to have a whole set of strong and high effective quality management system in order to assure the high character of the products, meanwhile we make solemn quality promises to all of our products with high responsible attitude, ensure its products to be in compliance with international and area relative product standards, meet the requirements of the current industry.
So all our valve products are designed strictly according to the international newest product standards and continuously improve and upgrade designing ideal, manufacturing process, quality management level in order to realize the quality promises and always make B3 VALVE to be the first class valve manufacturer and solution provider both domestically and abroad.
