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China, Chinese DN100 Cast Steel Swing Check Valve H44h-16c Flange Check Valve for Water for Water Media1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
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Product DescriptionProduct Introduction Floating ball valve is a commonly used shut-off valve in industrial pipeline systems, with a hollow spherical core structure as the opening and closing component. The sphere is connected to an external actuator (such as a handle, worm gear, or pneumatic device) through a valve stem, and can generate a small displacement pressure to tightly seal the ring under the action of medium pressure, achieving bidirectional sealing.Structure Design:The sphere is in a "floating" state and is not fixed to the valve body, relying on the thrust of the medium to fit the downstream sealing seat (single-sided sealing).The typical structure includes a valve body, floating sphere, PTFE/metal sealing ring, and anti blowout valve stem.Performance advantages:Low flow resistance: The full bore design reduces pressure loss, with a flow resistance coefficient of only 0.05~0.1 ^ ^ 1 ^ ^ ^.Quick opening and closing: Rotate 90 ° to complete the switch action, suitable for emergency shutdown scenarios.Lightweight: Compared to fixed ball valves, the simplified structure reduces weight by about 30% ^ ^ 2 ^ ^.application area:Oil and gas: Cut off of medium and low pressure pipelines (≤ PN63) ^ ^ 3 ^ ^.Chemical industry: Control of corrosive media (requires coordination with stainless steel/fluorine lined materials).Municipal: Water supply and drainage system and heating pipeline network.Pharmaceutical: Liquid transportationtubing couplingpipe plugpup jointIn addition to unions, our factory also produces tubing and casing couplings, tubing converters, and drill pipe, all of which have received excellent market response and high praise! Our company has over 20 years of history and has been API and ISO certified for over 17 years. We specialize in the production of oil casing couplings, drill pipe joints, reducer couplings, drill bits, and other oil machinery products. Last year, our annual turnover reached nearly US$30 million, making us a Tier-1 supplier to China National Petroleum Corporation and Sinopec. Our company has a professional team, including two senior engineers, eight engineering technicians, 26 mid-level technicians, and 16 quality inspectors. We are equipped with 42 precision CNC lathes, nine automatic saws, two high-speed circular saws, and other advanced equipment. We strictly adhere to the API production process and implement a strict 6S management system to ensure product quality.Transportation and packagingWe offer free packaging services, including wooden crates, wooden pallets, and metal pallets. We can also customize packaging to meet customer requirements. We offer ocean, air, rail, and express shipping.FAQ1. who are we?We are based in Tianjin, China, start from 1999,sell to North America(16.72%),Mid East(16.67%),South Asia(16.67%),Eastern Europe(16.67%),South America(16.67%),Southeast Asia(16.60%). There are total about 101-200 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?API Couplings,Tubing Coupling,Casing Coupling,API Pup Joint/Crossover,tubing Centralizer4. why should you buy from us not from other suppliers?We have a experience of more than 15 years of manufacturing the API couplings, pup joints, crossovers, pipes and so on. We are one of the biggest of the manufacture of API couplings in China, even in the world.We have the biggest plant and workshop here.5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency: USD,EUR,CNY;Accepted Payment Type: T/T,L/C,D/P D/A,Cash;Language Spoken: English,Chinese,French,Korean
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