Duplex stainless steel have good weldability. That is why we called non-return valve or one-way valve. ISO 5211 top mounting structure. Application: Gate valve is a kind of on/off valve used in the pipe system.
Flanged, threaded, or socket weld. HIGH FLOW CAPACITY: Valve Seat inside diameter (I. D. ) is equal to the I. of standard (ASME B36. Uplex is better than the 300 series in nearly every category. Reliable performance and long serve life. We take customer demand as the guide, technical service as the center, and customer satisfaction as the goal to comprehensively improve the strength of our company in the field of Super Duplex Stainless Steel Gate Valves. Cast stainless steel corrosion resistant valves.
4 Bolt: A193 B16 Gasket: Stainless Steel+Graphite Backseat: A182 F51, F53, F55 Bonnet: A890 4A, A890 […]. Specifications (English). It is widely used in petroleum, natural gas, chemical, marine and other oduct specifications. Copyright © 2017 Baltic Valve Co., Ltd. All rights reserved. Design standards: API, ASME, EN, ISO, JIS, DIN, BS, GB. Bulletins (English). A: Our products will be 100% tested before shipping out to the customers. Applications of Duplex stainless steel Valves: Chemical processing, transport and storage.
Wenzhou Duplex stainless steel gate valve. Pulp & paper manufacturing. The 625 alloy contains columbium, tantalum, cobalt, and titanium. The properties and composition of the gate valve material is very important, especially since they are required to carry a range of liquids or gases that could affect certain substances. In this situation, if the outlet pressure is higher than inlet pressure, the valve will be closed to preventing fluid back-flow. The main application of duplex steel ball valves includes oil&gas, seawater desalination, shipbuilding, pharmaceutical, petroleum, chemical, and so on.
Strengths of duplex stainless steels can in some cases be double that for austenitic stainless steels. Stainless Steel Plate. Its comprised of two halves, Globe valve is a linear motion valve and is primarily designed to stop, start and regulate flow. Duplex stainless steels are also magnetic, a property that can be used to easily differentiate them from common austenitic grades of stainless. End to End: Flange, Wafer, Lug.
Duplex and super duplex stainless steel ball valves. The physical and mechanical properties of 410 stainless steel yield a number of fabrication options, such as heat treatment, hot and cold forming, machining, and welding. China Forged Stainless Steel Valve Factory Offers A182 F51 Duplex Stainless Steel Forged Steel Gate Valve, 1/2 Inch-2 Inch, Class 800-1500, Screwed End. Gate valve is at lower costs than a ball valve. 1188 Yongding Road, Longwan District, Wenzhou City, Zhejiang Province, China Factory Address: Building 2, Baiqiang Valve Industrial Park, Wuxing Industrial Zone, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province, China.
Duplex stainless steels are in most cases, tougher than ferritic stainless steel. Size: 1/2 Inch to 48 Inch. Standard gate materials also include 17-4PH or 410 Stainless Steel in addition to the materials listed above. The stem is stainless steel. THINKTANK is a China-leading manufacturer of duplex steel valves, with a high performance of corrosion resistance and chloride stress corrosion resistance. They are one of the few self-automated valves that do not require assistance to open and close. Gland Nut: SS304, SS316 6. No limitation on the flowing direction of the medium. The gate valve includes a parallel gate valve, wedge gate valve, knife gate valve, and flat gate valve. These precautions are necessary to avoid cross contamination of stainless steel by easily corroded metals that may discolour the surface of the fabricated product. Their low weight provides advantages during installation, transport, and storage. Valves for Polymer Handling in Petrochemical Manufacturing 65. However, other terms can be accepted upon request.
Outside Screw & Yoke (OS&Y), Rising stem. Duplex grades can readily be used down to at least -50°C. Duplex stainless steel valves are extremely corrosion resistant. Class 150 to Class 2500. Looking for a valve in this exotic alloy? How good is your valve? Duplex Dual Plate Wafer Check Valve. As an example, machining of 2205 is around 20% slower than for 304.
Carpenter 20Cb contains columbium and tantalum. D11015 - IM VALVE KGC 22", 26"-48" ES OR HD. Anti-Extrusion Ring and many packing material options to meet the demands of your specific application. The principle of the check valve is working on differential pressure, it means the check valve only opens if the inlet pressure is over the outlet pressure. The lower nickel and molybdenum content of the Duplex Stainless Steels as compared to the austenitic grades with similar corrosion resistance, gives the Duplex grades a lower cost. The pitting and crevice corrosion resistance of C276 and AL6XN are only slightly superior to the duplex alloys'. Weidouli provides a whole range of high-class, customizable and innovative Duplex Stainless Steel Valves. Flanged, threaded, socket weld or combination. Reverse osmosis (RO) desalination forces water through a semipermeable membrane at high pressures to remove salt and other impurities. Duplex alloys are nearly equal in strength to the C276 and AL6XN alloys. The check valve is kind of a mechanical device used in pipeline systems. • BRANDS SAF 2205 – SANMAC. Website Design & Support: Links: China Valves Manufacturers. We train our technicians from time to time to master the professional technical knowledge to guarantee the quality of our 4-Way Stainless Steel Ball Valve, High Pressure Trunnion Ball Valve, Side Entry Trunnion Mounted Ball Valve.
With the volume of liquid or gas flowing through a gate valve, they should be made of a high-strength, corrosion-resistant material. The high chromium content of Duplex stainless steel that protects against corrosion, causes embrittlement at temperatures over about 300°C. Face-to-face according to ASME B16. The valve will close when the inlet pressure decreases below the cracking pressure or there is backpressure.
Acid and alkali corrosion resistance. Axial flow structure and accurate flowing passage enables little pressure loss, stable medium flowing, and non cavitation erosion. At XIAMEN LANDEE INDUSTRIES CO., LTD. you will find an extensive range of Industrial Steel Pipe, Valve, Flange, Pipe Fitting, Fastener, Gasket and other spare parts for industrial use - more than 50 product types available in over 400 sizes and 20 materials, in fact. Design Standard: ASME B16. Main Material: Super Duplex. And multi-stage flashing (MSF) is processes flash water (boils by means of pressure reduction) over several stages to separate freshwater from concentrated brine.
ASME: SA -240, SA – 479, SA – 789, SA -790, SA -182 (Grade F51), F53, F55, F60, Pgroup 10H NACE: ISO 15156 / MRO175. Pulp & paper industry. A lift check valve is also called a piston check valve. Alloy 410 Stainless Steel Properties and Composition. Size range: NPS1/2"~48",DN15~DN1200. Designed for flanged installation, this valve will operate well in any position. Notice how the valve slices through the dry material. Chemical composition: C≤0.
If you are interested in our products, please click on the following PDF file name to open the Ctrl+S or the right mouse button to save your equipment. One-piece Ball Valves. Those in the oil and gas, pharmaceutical, water and waste water treatment, infrastructure and dam gates, or marine industry, looking for the right material for an effective gate valve, can look no further than Sandmeyer Steel.
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