B3 Through Conduit Slab and Expanding Gate Valves(Flat-plate Gate Valves) are widely used in oil, natural gas long-distance pipelines and gas fields as open/close control valves. Valves used in forging or casting body, the gate designed with diversion holes or without diversion holes; Slab type and expanding type; Seat used bi-direction seal seat which mainly based on the metal seat sealing and assisted with soft seat sealing as a second type of seal.
Applicable StandardDesign Standard: API 6D, ASME B16.34
Face to Face: API 6D, ASME B16.10,
End Flange: ASME B16.5, ASME B16.47
Buttwelding Ends: ASME B16.25
Test & Inspection: API 6D, API 598
Products RangeSize: 2" ~ 40"(DN50 ~ DN1000)
Rating: ANSI 150lb ~ 900lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic
Design FeaturesSlab type or expanding type
Full Bore design
Double block & bleed
Self cavity relief
Emergency Sealant injection
Diversion hole type or non diversion hole
Flanged or buttwelding ends
Fire safe design to API 6FA/ API 607
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.
