Check Valve Industrial Check Valve for Sale Trust BST Valves to provide you with high quality swing check valves and a variety of different check valves for all your backflow prevention needs. What is a check valve? Check valves are used to ensure that gases and liquids flow in only one direction. They essentially prevent the process flow from flowing back, thus forcing the valve to close. Correct flow pressure forces the check valve open, while reverse flow causes the valve to close. Flow check valves open at the designed minimum flow or cracking pressure so that the valve can begin operation. Check valves protect the system from pressure fluctuations that can cause damage to pumps and pipes and help operate efficiently. Check valves are required to stop backflow and protect rotating equipment and machinery from sudden backflow surges that may occur. BST Valves is a manufacturer specializing in check valves, offering industrial check valves in a variety of configurations and materials, including Cast Steel Check Valves and Stainless Steel Check Valves. Our check valves are industry proven for use in a wide range of applications from oil and gas to pulp and paper.
Oil and gas industry: Accelerating the process and improving the efficiency of well drilling; increasing the life of drilling equipment; drilling fluids and plug cements of low density and high strength. Construction: ultralight and ultra-lightweight concrete; high-strength and low-density thermal and acoustic insulation boards; increased adhesion of concrete or brick walls, excellent leveler. dry mortars, lime and liquid mortars, cements, plaster, insulating roof coatings and soundproofing materials - lightweight, smooth surface, low cost, heat resistant, shrinkage resistant. sensitizer for the use of emulsion BBs. paints - resistance to chemical corrosion and light, thermal insulation, smoothness. Styrofoam: Aircraft, spacecraft, ship construction - low density and moisture absorption, high mechanical properties of materials for vibration damping, insulation and thermal protection. Ceramics: Refractory materials and coatings, insulation materials. Plastics Epoxy resins: production of polyethylene - improving strength and abrasion resistance. production of bearings, cameras, furniture and its accessories - tensile strength, impact strength, hardness, resistance to heat and light. Profiled materials, pipes, plates - dimensional stability, rigidity, heat resistance; TV housings, auto parts - compressive strength, bending elasticity, shrinkage reduction.
High Quality Polyester Filter Bag The polyester filter bag is designed to effectively filter out debris and particles or gas, making it ideal for various industrial applications. Made from high-quality polyester material, this Polyester filter bag is durable and long-lasting, providing reliable filtration performance. Short Description 1. Unit weight: 400-600gsm/sqm; 2. Scrim: Polyester scrim 3. Nomex felt layer: 100% Polyester fibers 4. Size: fully customized 5. Finishing: singeing, calendering heat setting, water &oil proof, PTFE membrane, anti-static, fire resistance, food grade etc 6. Shape: cylinder tube, envelop type, flat type, oval type, pleated filter etc, any shape is available for us. **Product Features:** - Made from high-quality polyester fibers and scrim for durability - Effectively filters out debris and particles from particles and gases - Easy to install and remove, and washable - Provides efficient filtration performance - Compatible with different bag filters
silicon carbide radiant tube Product performance of silicon carbide radiant tube Silicon carbide radiant tube this product has the characteristics of good thermal conductivity, high temperature resistance, corrosion resistance, oxidation resistance and long service life. Application of silicon carbide radiant tube Silicon carbide radiant tubes are widely used in gas and oil industrial kilns such as tunnel kilns, shuttle kilns and roller kilns, as well as industrial coke ovens in iron and steel metallurgy and other industries. 1. The inner tube of the flame is made of silicon carbide, and SiSIC can withstand high thermal stress; 2. Multiple sections of inner tubes can be combined into inner tubes of required length according to the length of radiant tubes; 3. The SiSIC flame inner tube allows the metal radiation tube to bend without damaging the flame inner tube and radiation tube; 4. Compared with the metal tube, the load of SiSIC in the radiation tube can be reduced; 5. Compared with metal inner tube, SiSIC flame inner tube has higher thermal conductivity. Specification of silicon carbide radiant tube The specific specifications of silicon carbide radiant tube can be made according to the needs of users
Welding and Track Maintenance Equipment Gas Pressure Rail Welding Machine Hydraulic rail weld trimmer/Hydraulic Rail shear Itâ??s A Special Small Size Machine Suitable For Shearing Thermit Weld Seam.Hydraulic Opreation,Save Labour,Shearing Clean. Itâ?? S Suitable For Dealing With Various Rails (50-75kg/M) At The Depot Or On The Track. Itâ??s An Accessory Tool In Cwr Laying Project, Rail Stress Releasing Operation And Broken Rail Repair.HWS-II Hydraulic Rail Trimmer Is Mainly Composed Of Machine Frame, Manual Pump Station, Two Horizontal Oil Cylinders, Guiding Device, Shearing Knife, Etc,. While Working, Ride The Machine On The Rail (At The Both Side Of The Seam), Place The Guiding Device Nearby The Rail Jaw, Then Swing The Manual Pump Handle Back And Forth. Along With The Cylinder Piston Rod Reaching Out, The Shearing Knife Makes Relative Motion To Produce Shear Force And Remove The Seam Bead.
Features for the Honda HRC216HDA The Honda HRC216HDA self-propelled commercial lawn mower features a hydrostatic cruise control system for precision speed control between 2.1 and 4 mph. A shaft drive (no belts) transfers power from the engine to the transmission to make it maintenance free. The HRC216HDA has a Honda GXV160 commercial grade 4 stroke engine that is CARB compliant and meets all 50 US state EPA emissions standards. Engine Engine Brand Honda Displacement(cc) 163cc Power 4.3 HP Fuel Capacity 1.4 liters Oil Capacity 0.65 L Starting System Recoil Engine GXV160 Cutting Deck Cutting Width 21'' Cutting Deck Material Steel - 16 ga Cutting Height (min-max) 3/4'' - 4'' Cutting Height Steps 8 Blades Twin blades (MicroCut System) Drive System Transmission Type Cruise Control (Hydrostatic) Speed Forward (min, max) 2.1 to 4.0 mph Equipment Ball Bearing Wheels All Handle 1'' Steel Tube
Pneumatic Piston Pump GIN KAI TECHNOLOGY (SHANGHAI) CO., LTD (GK) is a leading manufacturer and supplier of high-quality pneumatic piston pumps for a wide range of industrial applications. Our pneumatic piston pump is designed with precision and expertise, ensuring reliable performance and efficient operation. Our wholesale pneumatic piston pump is built to meet the needs of a variety of industries, including oil and gas, chemical processing, and food and beverage. It features a robust, durable construction that can handle even the most demanding applications. As a trusted pneumatic piston pump supplier, GK understands the importance of reliability and consistency in industrial processes. Our pumps are built to last, with high-quality materials and advanced technology that ensures consistent performance and minimal downtime. At GK, we take pride in being a leading pneumatic piston pump manufacturer. Our state-of-the-art production facilities and skilled workforce enable us to produce high-quality pumps that meet the unique needs of our customers. We are committed to innovation and development, constantly seeking new ways to improve our products and stay ahead of the competition. If you want to know more about pneumatic piston pump, please feel free to contact us.
Outer Diameter(OD): 6mm to 762mm Wall Thickness(WT): 0.5mm - 65mm LENGTH:5.8/6/11.8/12m Pipe Standard:ASTM A312/A213/A269/B673/B674/B677/B675/B676/B690/A789/A790/A928 ASME SB163/SB423/SB444/SB622/SB677 Material: 300series:301,304,304L,,309,309S,310,310S,316,316L,321,347,347H; 400series:410,420,430,420J2,439,409,430S,444,431,441,446,440A,440B,440C. Duplex:S31803, S32250, S32750, S32760, S31500, 32001. S32003, S32304. Nickele bass alloy: N08800,N08810,N08811,N08825,N06625 Other special: S31254,N08367,N08904 Titanium alloy: TA1; TA2; TA3; TA9 Process:Cold drawn, Cold rolled, Precision Rolled; Hot Rolled; Finish:Pickled, bright annealing, polished; Application:Chemical, Food and beverage,Marine,Mining,Oil and gas, Pharmaceutical, Petrochemical, Power generation,Renewable energy, offshore engineering, ship building, paper industry, water treatment, HAVC system, boilers, heat exchangers, Aviation, funiture, OEM, Construction, Sanitary etc
Health Benefits of cloves 01. Antioxidant Properties: Cloves are rich in antioxidants, which help neutralize harmful free radicals in the body and reduce oxidative stress. 02. Anti-Inflammatory: Cloves contain compounds with anti-inflammatory properties, which may help alleviate inflammation in the body. 03. Dental Health: Eugenol, a compound in cloves, has been used in dentistry for its analgesic and antiseptic properties. Chewing cloves or using clove oil may help relieve toothaches and promote oral health. 04. Digestive Health: Cloves can aid digestion by reducing gas and bloating. They may also have mild analgesic effects on the digestive tract. 05. Antibacterial and Antifungal: Cloves possess natural antibacterial and antifungal properties, contributing to their potential role in preventing infections. 06. Blood Sugar Control: Some studies suggest that compounds in cloves may help regulate blood sugar levels, which can be beneficial for individuals with diabetes. 07. Rich in Nutrients: Cloves contain essential nutrients like vitamins (such as vitamin K and vitamin C) and minerals (such as manganese).
The three-legged round handle fry pan is very nice for camping. Three different sizes can meet different requirements of customers. Pre-seasoned oil coating is more healthy. Type Outdoor Cooking Pan Pans Type Campfire Griddle /Outdoor Cooking Fry Pan/Outdoor Frying Pan Metal Type Hot Rolled Steel (plate body) Surface Finish Pre-Seasoned Brand Name Shengri or customized Certification EU, FDA, LFGB Place of Origin Hebei, China (Mainland) Model Number SRSM-450-194/SRSM-450-195/SRSM-450-196 Components: pre-seasoned fry pan, 3 legs,grilling pan Heat Source: Gas burner, camp fire Package: Common brown / customized inner box and outer carton Product Introduction Highlights In Design Round Handle & Round edge --- can protect us from hurt Separate Components ---- the grilling pan body and 3 legs can be easily screwed together and take apart. Light Weight --- we can carry the grilling pan by ourselves Flexible assembly and collocation --- Can be matched with different treatment legs
Physical Properties NMP is colorless transparent oily liquid, slightly amine odor, can be dissolved in most organic and inorganic compounds, polar gases, natural and synthetic polymer compounds . Acute toxicity: mice oral channel LC50:5130mg/kg; Rat oral meridian LD50:3914mg/kg NMP is stable in a neutral solution. After 8 hours in 4% sodium hydroxide solution,there are 50%~70% of NMP that will occurs hydrolysis . Uses in Different Fields NMP can be used as solvent for polymer reaction; Compared with phenol and furfural, n-methylpiriolanone has the characteristics of strong polarity, non-toxic and non-corrosive, and easy recovery. It has been used to remove aromatic substances in lubricating oil instead of phenol and aldehyde. This process is safe and easy to operate with low solvent loss; NMP can be used to recover acetylene, butadiene and vallediene from naphtha cracking gas. NMP can be used to clean blockades in chemical equipment of tower type. High concentration of N-methylpyrsquidone can also be used as ultrasonic cleaning agent for fine machinery and optical instruments; NMP is the main raw material for the production of artificial plasma and vitamin B1.
Overview Quick Details Type Cast Iron pizza pan Pans Type Round Cast Iron fry Pan Metal Type CAST IRON Color Black Surface treatment Pre-seasoned oil Certification CE / EU, FDA, LFGB Brand Name Shengri or customized Place of Origin Hebei, China (Mainland) Model Number Pizza Pan-33 Product Description Specification: Item number Pizza Pan-33 Weight(kg) 3.8kg Size(cm) D:33, L: 40cm, H:4.5cm Inner Size(cm) 34*34*5 Packing Size(cm) 36.5*22.5*36 Qty/ctn(pcs) 4 Qty/20'(pcs) 3796 Heat Source: Gas, Oven,Ceramic, Electric, Induction, No-Microwave Package: Customized inner box and outer carton Shipping delivery port: Xingang, Tianjin Delivery date: About 45 days after 30% T/T deposit paid
High pressure steel wire braided hose, high-pressure steel wire wound hose, high pressure oil drilling hose, marine high pressure conveying pipe, steel wire braided steam hose, steel wire braided sandblasting hose, acid alkali hose, large diameter steel wire skeleton exhaust hose, fuel hose; pressure hose joint, quick joint, stainless steel metal hose, etc. the company product structure design is reasonable, stable and reliable quality, good dielectric resistance, heat resistance, aging resistance, bending resistance, high pressure, superior pulse performance; used for conveying oil based liquid, water based liquid, gas medium with certain pressure and temperature, to realize pressure transmission and medium transmission. products are widely used in coal mine, petroleum, construction machinery, ships, machine tools, hydropower, electric power, construction, metallurgy, agricultural machinery and other fields..
Centrifugal Air Blower Centrifugal Air Blower For Sale Centrifugal air blowers adopt three core high-end technologies: "ultra high-speed direct connection motor", "air suspension bearing", and "high-precision single-stage centrifugal impeller", creating a new era of high efficiency, high performance, low noise, and low energy consumption fans. It is a new generation of high-tech civilian products developed with great dedication based on the design experience of aviation turbomachinery. Features 1. Energy saving and high efficiency The air suspension centrifugal blower uses air bearings, direct connection technology, a high-efficiency impeller, a permanent magnet brushless DC motor, and no additional friction. The fan automatically adjusts the consumption of motor power based on the output (adjustable range of air volume 40-100%) to maintain the high efficiency of equipment operation. 2. No vibration, low noise Adopting air bearings and direct connection technology, there is no vibration generated, and the fan does not need to be equipped with sound insulation devices; The equipment is lightweight and does not require a special foundation. The installation and layout are simple and flexible. 3. No lubricating oil The fan adopts air-bearing technology, and the system does not require a lubricating oil system, providing clean air to special industries such as electronics, medicine, and food. The operating temperature of the air bearing has reached 600 degrees, and all the drawbacks of the oil-based bearing system have been successfully resolved. 4. No maintenance Without the necessary gearbox and oil bearings for traditional fans, our series of high-tech impellers and motors are directly connected without couplings. The intelligent control system and key components use AL7075 (aviation aluminum). These technologies ensure that the equipment is maintenance-free, reduce maintenance costs for users, and improve the stability of the gas supply system operation. 5. Convenient operation control Self-checking and constant pressure operation, load/no load operation, overload control, and unmanned operation can be achieved on a personal computer for fan speed, pressure, temperature, flow rate, etc. The fan adjusts the flow rate by adjusting the speed of the impeller. Adjusting the speed can easily adjust the flow rate based on the temperature and pressure changes of the inhaled air. It can automatically and manually adjust the flow rate. 6. Small device installation space The air suspension centrifugal blower equipment is lightweight, small in size, easy to install, and can significantly save users on building and auxiliary electrical control system investment.
Characters: Ivory powder or flake-shaped solid. It can be dispersed well in hot water and soluble in ethanol and hot oils and fats with pleasant caramel-like odor. It is an anionic emulsifier with HLB value of 8.3. Applications: It can be used for multiple purposes such as emulsification, aging resistance, gluten fortifying and fresh-keeping in many kinds of food such as bread, steam bread, noodle, instant noodle and dumpling. It can also be used as an emulsifier in milk, non-dairy creamer, margarine, fresh cream, meat products, animal and vegetable oils, etc. (1) Increase the springiness, toughness and gas-holding capability of dough, increase volume of the bread and steam bread and improve the organization and structure. (2) It can react with amylose to delay and prevent the food aging. (3) It can make it easier to remove biscuits from moulds to produce smooth appearance, distinct layers and crisp feeling in mouth. (4) It can make hot and spicy food more pliable and softer and prolong the preservation time. (5) It can produce smoother surface, lower broken ratio, higher soaking and boiling resistance for noodle, dried noodle and instant noodle, and make them chewier. (6) Enhance the quality of quick frozen food, improve their organization and structure, and prevent surface cracking and filling escaping. Usage: (1) It can be directly mixed well with flour for use. (2) Put this product into warm water at about 60â?? with proportion of 1:6 to get paste shaped substance, ten add it into flour in proportion to obtain better effect. (3) When used in non-dairy creamer or this kind of substance, it should be heated well with emulsified substance to get homogeneous emulsion before further processing. Recommended Adding Amount: 0.2~0.5 %
Characters: Ivory powder or flake-shaped solid. It can be dispersed well in hot water and soluble in ethanol and hot oils and fats with pleasant caramel-like odor. It is an anionic emulsifier with HLB value of 5.1. Applications: It can be used for multiple purposes such as emulsification, aging resistance, gluten fortifying and fresh-keeping in many kinds of food such as bread, steam bread, noodle, instant noodle and dumpling. It can also be used as an emulsifier in milk, non-dairy creamer, margarine, fresh cream, meat products, animal and vegetable oils, etc. (1) Increase the springiness, toughness and gas-holding capability of dough, increase volume of the bread and steam bread and improve the organization and structure. It can react with amylose to delay and prevent the food aging. It can make it easier to remove biscuits from moulds to produce smooth appearance, distinct layers and crisp feeling in mouth. (2) It can make hot and spicy food more pliable and softer and prolong the preservation time. (6) Enhance the quality of quick frozen food, improve their organization and structure, and prevent surface cracking and filling escaping. Usage: (1) It can be directly mixed well with flour for use. (2) Put this product into warm water at about 60â?? with proportion of 1:6 to get paste shaped substance, ten add it into flour in proportion to obtain better effect. (3) When used in non-dairy creamer or this kind of substance, it should be heated well with emulsified substance to get homogeneous emulsion before further processing. Recommended Adding Amount: 0.2~0.5 %( Calculated by Flour, Refer to GB2760-2011)
Iron Oxide Pigment Supplier Iron oxide pigment is the second largest inorganic pigment after titanium dioxide and the first largest colored inorganic pigment. It mainly contains iron oxide red, iron oxide yellow, iron oxide black and iron oxide brown pigments with iron oxide as the basic substance. In addition, more than 70% of all consumed iron oxide pigments are prepared by chemical synthesis methods, called synthetic iron oxide, such as green iron oxide, etc. ...... We can supply iron oxide pigments in various colors. Browse the products below to find the pigment you need, or contact us if you need help. We will help you select the right iron oxide pigment for your unique needs. What are the properties and advantages of iron oxide pigments High chemical stability and physical durability. Alkali-resistant. It is very stable to any concentration of alkali and other types of alkaline materials, especially cement and lime mortars commonly used in construction, without chalking or affecting the strength of cement building components. Acid Resistance. It is resistant to weak and dilute acids in general, but is also soluble in strong acids, especially when heated and concentrated. Light resistance. The color remains unchanged under strong sunlight. Heat resistance. It is stable within a certain temperature limit, beyond which the color begins to change. As the temperature rises, the degree of change becomes more pronounced. Weather resistance. It is unaffected by climatic conditions such as cold, heat, dry and wet. Dirty Air Resistance. It is stable in any dirty gas, such as hydrogen sulfide, carbon monoxide, sulfur dioxide, hydrogen chloride, nitric oxide and other gases. Water, oil, solvent resistance. Insoluble in water, various mineral oils, vegetable oils and organic solvents such as ether, ester, ketone, etc., and impermeable. Bright and clear color, unique hue. The color of iron oxide pigment is so clear and pure that it does not need to be embellished with other organic or inorganic pigments. Excellent economic efficiency. Iron oxide pigment has high coloring power, fine and uniform particle size, which ensures its value of use, together with lower selling price, it can ensure the economic effect of users.
BRAVE 26 TON VERTICAL/HORIZONTAL GAS LOG SPLITTER Price:$1,095.08 SKU:VH1326VN Brand:Brave Condition:New Weight:1.00 LBS Shipping:Calculated at checkout Product Description Features 26 Tons Of Splitting Force Designed for heavy usage - split up to 250 cords per season Split Wood In Horizontal Or Vertical Positions Split smaller logs at comfortable waist height Switch to vertical, save your back & roll large logs into place Heavy Duty 10HP/305cc Briggs & Stratton Vanguard 4-Cycle Engine OHV design for increased efficiency and optimal power transfer 2-Stage, 16 GPM Hydraulic Pump Productive 14 second cycle time with auto-return 5.4 gallon hydraulic system; hydraulic fluid not included 6-Inch High Carbon Steel Splitting Wedge 25" log opening on 3" x 6" reinforced steel beam 26.5-inch working height from ground to top of beam Includes log dislodger High Speed 4.80 x 8 Highway Rated Tires 35 mph maximum towing speed Includes safety chains and 2" hitch coupler Specifications Engine Engine Brand Briggs & Stratton Starting System Recoil Start HP 10 HP CC 305 CCs Fuel Tank Size 0.875 Gallons Low Oil Shutdown Yes Hydraulics Auto Return Yes Hydraulic Filter Yes Hydraulic Oil Included No Hydraulic Reservoir Size 5.4 Cylinder Diameter 4.5 Inches Cylinder Length 24 Inches Cycle Time 14 Seconds Tonnage 26 Tons Wedge Wedge Material Steel Wedge Size 6 Inches Wedge Style 2-way Replaceable Wedge Yes Sharpenable Wedge Yes Log Capacity Max Log Length 25 Inches Towing Towable Yes D.O.T. Lights No Fenders Included Hitch Type 2 Inch Ball Hitch Max Towing Speed 35 MPH Accessories Jack Stands Included Log Cradles Sold Separately Overview Assembly Required Yes Weight 500 Pounds Product Length 81.5 Inches Product Width 40.0 Inches Product Height 36.0 Inches Consumer Warranty 2 Years Commercial Warranty 1 Year
New electric outboard powerfull 6hp outboard motor for boat electric motor inboard catamaran, Electric Outboard Motors, Boat Motors Supplier Golden Motor Technology Co., Ltd. Price $2380.00 Availability: In Stock Mini Order:1 Peak: 20kw Rated Power: 10kw Efficeincy:91% Phase Resistance (Milliohm):3.1/48V; 6.0/72V; 18.0/120V Phase Induction(100kHz):34uh/48V; 77uh/72V; 252uh/120V Weight: 17kgs Cooling:Liquid Cooling Transport Package:Carton Specification: CE, ISO9001 Origin: China HS Code: 85114099 Production Capacity 2, 500 PCS/Year Engine Position: Outboard Condition: New Voltage: 48V/72V/96V/120V Boating with EZ Outboard is Fun, Pleasant, Easy for EVERYBODY! EZ of Use. Clean. Quiet. Light. Efficient. Safe. Reliable. Affordable A growing number of boat owners favour electric propulsion to power their recreational boats, dinghy, kayakers, tender boats, fishing boats, catamaran, pontoons and cruisers. Electric propulsion outboard makes boating experience very fun and pleasant thanks to the ease of use, absence of engine noise, gas fumes and vibrations, and the bilge stays nice and clean with no oil or grease fouling the timber. With 90% fewer moving parts there is little that can wear out or break down, making electric motors a reliable and viable option for small boats. EZ outboards are pure electric propulsion, focused on 20HP or lower power ranges which require less battery capacity and more affordable for boat owners. Our innovative electric propulsion outboards are well designed and engineered for the highest energy efficiency, maximum safety and virtually maintenance free. New electric outboard powerfull 6hp outboard motor for boat electric motor inboard catamaran Golden Motor has been a leading manufacturer of high power BLDC motors and controllers for more than 12 years. Electric motors are core components to make electric propulsion outboards. We had started conversion of used gasoline outboards to electric version by replacing combustion engines with BLDC motors about 9 years ago. We have gained in-depth experience and knowledge about gasoline outboards from this conversion business, and learnt its pros and cons. In the end, we decided to completely re-design electric propel outboards to address the issues and weakness areas we found from existing gasoline outboards, and to best make use of full advantages of our high efficiency (>90%) and durable (>20000 hours of working life) BLDC motors. The idea is to help the environment, cut down on noise and save heaps of money in maintenance. Boats with EZ Outboard can sit all winter and won't require winterization and oil changes, no maintenance or only minimum maintenance is required.
Pneumatic valve is a valve driven by compressed air. When purchasing pneumatic valves, only the specification, type and working pressure are specified to meet the purchase requirements, which can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal, radioactive media and other types of fluids. Sudhanafluid pneumatic valve series: butterfly valve The butterfly plate of the butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis and the rotation angle is between 0 �° and 90 �°. When it rotates to 90 �°, the valve plate is fully open. The butterfly valve is simple in structure, small in size, light in weight and only composed of a few parts. It can be opened and closed quickly by rotating 90 �°, and the operation is simple. At the same time, the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the resistance when the medium flows through the valve body, so the pressure drop generated by the valve is very small, so it has good flow control characteristics. The butterfly valve has two types of seal: elastic seal and metal seal. Elastic sealing valve, the sealing ring can be embedded on the valve body or attached to the periphery of the butterfly plate. Valves with metal seals generally have a longer service life than those with elastic seals, but it is difficult to achieve complete sealing. Metal seal can adapt to higher working temperature, while elastic seal has the defect of being limited by temperature. If the butterfly valve is required to be used as flow control, the main thing is to select the correct size and type of valve. The structural principle of butterfly valve is particularly suitable for making large-diameter valves. Butterfly valves are not only widely used in oil, gas, chemical, water treatment and other general industries, but also used in cooling water systems of thermal power plants. The commonly used butterfly valves include wafer butterfly valve and flange butterfly valve. Wafer butterfly valve is to connect the valve between two pipe flanges with stud bolts. Flange butterfly valve is to connect the flanges on both ends of the valve to the pipe flange with bolts.
