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He has done very well and occasionally inquires about the price with HYDRAULIC VALVE. For the hydraulic check valves purchased some time ago, the production director found that 20% of the hydraulic check valves have parameters that do not meet the standard, so they must get new qualified ones to the workshop within 20 days, otherwise the delivery of customer order would be delayed. Charles asked the original manufacturer of the hydraulic check valve to complete the replacement within 2 weeks. The manufacturer is willing to replenish, but the production can be started only after 15 days, that is to say, it will take 30 days to replenish. tried to find other suppliers of hydraulic check valves, and all replied that it could not be completed in such a short time. realized that something was going to happen and began to look for a new hydraulic valve manufacturer, contacting factories one by one. thought that had also participated in the quotation of this hydraulic check valve, and the samples provided also met the requirements, but it was not considered because the quotation of was slightly higher than that of other hydraulic valve manufacturers by 7%. sent us an e-mail to ask whether the quotation of hydraulic check valve offered 6 months ago can be maintained, and if we can finish an urgent order of 100 hydraulic check valves in 10-12 days. I felt that this should be an order for hydraulic check valve encountered with problem. told us the truth. About 20% of the hydraulic check valves produced by the original factory were unqualified and rejected by their production director. Now he must replenish them as soon as possible. General hydraulic valve manufacturers are unwilling to make such aftercare orders, but HYDRAULIC VALVE don't think so, because , as a production factory, has the same goal as the importer, that is to serve users well, so is more willing to help customers and solve complaints from users together. Fortunately, the corresponding materials are in stock. Combined with the 24-hour production line, our production director conservatively estimates that it can be completed in 12 days. asked us to start blanking now and the hydraulic check valve order will be issued tomorrow. After 10 days, 100 hydraulic check valves were successfully finished. was very happy and quickly air freighted these hydraulic check valves to the Thanks to the God, 100 hydraulic check valves finally arrived at their workshop in 20 days. informed us by email that their engineers installed, debugged and tested hydraulic check valves, which were all normal. The 7% higher price was also agreed by his owner. The owner was very amazed that can deliver so quickly and the quality was better than that of the original manufacturer.
a purchaser of in He is responsible for the procurement of hydraulic components. He has done an excellent job some time ago and has been praised by his supervisor for many times. Before the shopping season, he wanted to relax and planned to go on vacation with his family next week. A phone call from the owner disrupted all his plans. A major dealer in asked for help for a excavator produced by their company within 1 week . His engineer came to the user for routine maintenance and found that there was oil leakage in the hydraulic system. After pressure test, it was found that there was oil leakage in the hydraulic check valve, and 12 excavators had such faults. this hydraulic check valve, and got the reply that it was too cold in at this time. For such high frequency operation, even if the hydraulic check valve was replaced, it was estimated that the hydraulic check valve would still leak oil 1 week later. Unless more low temperature resistant sealing rings are used, this will take time to test, but the finishing time is to be determined. was so helpless, he had to find a new hydraulic valve supplier. asked several local hydraulic valve manufacturers. They either didn't have time to produce or require over 50pcs MOQ. After knowing these situations, the supervisor asked Daniel to give the dealer a plan that can be implemented within 10 days. had to cancel the vacation. thought of HYDRUALIC VALVE who he had contacted for inquiry before. He emailed us to ask whether we can produce the hydraulic check valve for the excavator, which needs to be resistant to low temperature. According to the drawings and working conditions provided by him, we advised that it takes 20 days to customize. All our existing hydraulic check valves are not close to this size. reiterated the hydraulic check valve needs to be low temperature resistant, and frankly told us what they are currently experiencing. I answered directly that the core lies in the low temperature resistant sealing ring. Daniel felt that maybe could solve this problem. After 18 days, we sent a sample of hydraulic check valve. The test results proved feeling. The parameters passed the test and there was no oil leakage at low temperature. The order for 12 hydraulic check valves was also easily confirmed. hanging heart can finally be put down. asked why hydraulic valve manufacturer needs time to be determined to test, and we solved it in 18 days. Why hydraulic valve manufacturer is unwilling to do this small quantities, but it is OK for hydraulic valve. At the same time, the price of hydraulic valve is cheaper than that made in and that made in the .
Stainless Steel Check Valve Stainless Steel Check Valve for Sale BSTV provides the most comprehensive range of stainless steel check valves in the industrial valve market. The design of these stainless steel check valves eradicates sticking issues and renders them suitable for use with water, gasoline, or oil. Our stainless steel check valves provide superior flow control. These valves provide seamless, one-way flow, minimizing the possibility of backflow in the system. Stainless steel swing check valves stand out for their robust construction and reliability, delivering top performance under all conditions. For high-pressure applications, stainless steel spring check valves are ideal and provide excellent sealing, ensuring optimal functionality. Stainless steel threaded swing check valves offer easy installation and exceptional durability. Advantages Stainless steel check valves are ideal for use with liquid and gaseous media at high pressures up to 250 bar and temperature ranges up to +200 �°C. There are many different connections to choose from, with significant advantages: Excellent sealing Low wear and corrosion resistance Minimum opening pressure Low noise on and off
Swing Cast Steel Check Valve For Sale A cast steel check valve serves the purpose of maintaining the flow of fluid in a consistent direction within a pipe. These valves find application in specific industries such as water distribution, the oil sector, petrochemical plants, and gas and diesel circuits. By allowing fluid to flow in one direction while preventing backflow, cast steel check valves ensure efficient operation and help maintain the integrity of the piping system in various industrial environments.
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.
BRAND: "RING" Bronze/brass swing check valves (thread-end) cast iron/ductile iron/stainless steel/cast steel/forget steel swing-type check valves Bronze/cast iron/ductile iron/stainless steel non-slam check valves
Our check valves are designed to prevent reverse flow. Concentric and eccentric styles as well as our tapered disk design are available for horizontal, vertical applications and are working well without leaking while getting a return pressure. Our special designed check valve can be using for many applications in such as food, dairy, beverage, pharmaceutical, chemical, and many other industries.The materials are offered for food, dairy, beverage, pharmaceutical, chemical, and many other industries.Specifications:body:ss 316. Ss304 and ss316l are required based on big volume.Fully precision machined by cnc machine.Angle design make the biggest flowing liquid as well as for disk easy open and close.Connection: clamp end, weld end, male end and female end are available from 1/2 quot, 3/4 quot up to 4 quot.Connection: weld end are available the tubing according to 3a, sms, rjt(bs), din 11851.Middle clamp designed are available from 1/2 quot, 3/4 quot up to 3 quot.Middle flange designed are available from 1/2 quot, 3/4 quot up to 4 quot.Type of ends available:3a: clamp, weld, bevel male and female are available from 1/2 quot up 4 quotsms: weld end, male and female end are available from dn25 up to dn104.Din: weld end, male and female end are available from dn28, dn34, dn52, dn70, dn85 and dn101.6, dn104.I-line: available from 1 quot up to 4 quot.Spring:stainless steel sanitary both closing design, both opening design is required.Seal ring of stem:epdm. Viton or silicon is required.Body o-ring:nbr or epdm. Viton is required.Working temperature:-10o ~ 120o (epdm seal)features:opening pressure:1/2 quot-0.09 bar3/4 quot-0.23 bar1 quot-0.75 bar1.5 quot-1.3 bar2 quot-0.44 bar2.5 quot-0.68 bar3 quot-0.33 bar4 quot-0.42 barworking pressure:open pressure as above and max. Working pressure 10 bar. Each pc by shrink, 120pcs per carton, finally in plywood box
China Non-Surge Check Valve Manufacturer Shinjo Supplies 300X Non-Surge Check Valve, Cast iron, Ductile iron, WCB. 300X Non-Surge Check Valve closes automatically in case of prevent mediums back-flow. The Non-Surge Check Valve allows flow when inlet pressure in higher than the outlet pressure. The valve has the principal of slow-open, quick-close and slow-close into one to prevent water hammering when the pump starts or closes. Non-Surge Check Valve opens and closes at controlled speed to ensure smooth flow. Used on the pump outlet of a water supply system to prevent mediums back-flow, water hammer and water shock. It has three functions as an electric valve, check valve and water hammer remover. z
Inflatable disposable PVC anesthesia mask� is designed for use with automatic ventilators, manual resuscitators and anesthesia machine. Item NO.: TW8350-TW8356 Payment: T/T 30% and balance before shipment Product Origin: CHINA Color: Transparent Shipping Port: Xiamen, Shanghai, any port in China Lead Timeï¼? 30 days PVC aneshesia mask with check valve Air cushion anesthesia mask� is a medical device used to administer anesthetic gases to a patient through inhalation during surgical Interventions. Anesthesia masks have 4 point head strap harnesses to securely fit on the head to hold the mask in place as the anesthesia doctor controls the gases and oxygen inhaled. Winner Medicalâ??s (China)� disposable anesthesia masks� are comfortable and easy to use, patient comfort and ease of use were the top priorities when developing the winnerâ??s anesthesia face masks. Hightlights: -Plastic cross for nape fixation -Transparent shell for monitoring -Soft cushion for perfect fitting on face -Check valve to inflate or deflate Speciality:� � **Made of Phthalates free PVC, disposable **Conforms to Council Directive MDD/93/42/EEC concerning Medical **TW8350:  for neonate **TW8351:  for infant **TW8352:  for pediatric **TW8353: for adult-S **TW8354:  for adult-M **TW8355: for adult-L **TW8356: for adult-XL Packaging: **Poly bag **Carton Size: 55.5 * 34 * 46 cm ; **Qty/ctn:  200 pcs **Net Weight:  5.8 KGS; **Gross Weight:  8.8 KGS What is the difference between PVC anesthesia mask with check valve and without check valve? PVC anesthesia mask with check valve can be inflatable, while the mask without check valve can not. How many types of anesthetic? There are three main types: Local - numbs one small area of the body. You stay awake and alert. Regional - blocks pain in an area of the body, such an arm or leg. A common type is epidural anesthesia, which is often used during childbirth. General - makes you unconscious. You do not feel any pain, and you do not remember the procedure afterwards. How to distinguish disposable anesthesia/anesthetic mask from reusable anesthesia/anesthetic mask? Disposable anesthesia/anesthetic mask is made of polyvinyl chloride which is not autoclavable, while reusable anesthesia/anesthetic mask is made of silicone which is autoclavable.
Cast steel Swing Check valve The swing cast steel check valve is a one-piece body, top entry design for reliable operation and extended seat seal life. Description The swing check valve is a one-piece body, top entry design for reliable operation and extended seat seal life. Top entry construction allows field service and in-line maintenance if necessary. All major components of the check valve are normally made from cast and wrought forms, allowing the use of a variety of widely accepted materials. Swing Check Valves are full bore. The full bore to API-6D assures unrestricted flow and allows pigging and hot tapping.
Swing Check Valve Company in China: Carbon Steel Swing Check Valve, DN25-DN400, Pressure 1.6-25 MPa, Carbon Steel Body, Bonnet, Disc. Product name: Carbon Steel Swing Check Valve. Size: DN25-DN400. Working pressure (MPa): 1.6-25. Proper temperature: 425 or 550 Suitable media Water, steam, oil, or weak corrosive medium. Body, bonnet, disc: Carbon steel or Chrome Nickel-titanium Stainless Steel. Sealing surface: Carbon steel surfacing iron-based alloys or body sealed.
Wafer Type Lift Check Valve The wafer type lift check valve is suitable for the working temperature of -196~540, to prevent backflow of medium. According different materials, the wafer type lift check valve can be applied to various medium, such as water, steam, oil, nitric acid, acetic, strong oxidizing medium and urea in petrochemical, metallurgy, electric power, light industry and food industries. Different from flange type lift check valve, the wafer type lift check valve has characteristics of short structure length, small volume, light weight, small water hammer pressure, convenient installation, etc. Specification: ï,Size: 2~36 ï,Pressure Rating: Class150~2500LB ï,Main Materials: WCB, WC6, WCC, LCB, CF8, CF8M, CF3, CF3M, 4A, LF2, F304, F316 etc. ï,Design and Manufacture: API 594 ï,Face-to-Face: API 594, API 6D ï,Pressure-temperature Ratings: ASME B16.34 ï,Ends Connection: Wafer ï,Inspection & Testing: API 598, EN12266 Feature: ï,Safe and Reliable Sealing ï,Lug Wafer Type or Wafer Type ï,Lift or Piston Type ï,With Spring Simple and Compact
Body PC Inner Silicone Type Diaphragm/Luer lock Opening Pressure 0-1 Kpa Back Pressure =300 Kpa Common Inner Material Silicone/NBR/VITON/FVMQ/EPDM Common Body Material PP/ABS/PA66/PVDF Experience 5-year History Certificate ISO9001: 2008 Our factory support OEM/ODM, confirm the details as follows, then we will help you design a perfect valve or we can introduce a similar valve that in stock: 1) Where does the valve you use in? 2) What kind of medium the valve come into contact with? Water, air, gasoline, lubricator or other? 3) What is your using temperature? Note: The 1)2)3) will make us choose the best material to make the valve for you. 4) What is the working pressure about the valve you require? 5) What is the rate of flow? 6) What is the opening pressure? 7) What is the max back pressure? 8) What is the approximate size of the valve? Such as diameter, ID and OD. 9) What is your annual quantity?
Stell lift-type check valve.
Cast iron lift check valve, pn16 Application 1face to face is according to din3202-f1 2flange drilled is according to din2532/2533 Test Working pressurepn10pn16 Shell pressure15bars24bars Seat pressure11bars17.6bars Main parts and materials Numberpart namematerial 1bodycast iron 2bonnetcast iron 3discductile iron 4seatstainless steel Main dimensions Dndd1d2ln-d 159565451304-¦õ14 2010575581504-¦õ14 2511585681604-¦õ14 32140100781804-¦õ18 40150110852004-¦õ18 501651251022304-¦õ18 651851451222904-¦õ18 802001601383108-¦õ18 1002201801583508-¦õ18 1252502101884008-¦õ18 1502852402124808-¦õ23 20034029526860012-¦õ23 25040535532073012-¦õ27 30046041037885012-¦õ27
This is the puppet design which will work in horizontal & vertical applications. In general spherical type check valve will get damage due to the floating in liquid the result is, it lose its shape. Sizes available from 1 4.
carton box with pallet
Duckbill check valves, widely used in the demanding applications of many industries, are precision-molded, one-piece elastomeric valves that provide reliable backflow prevention at low pressure differentials. Duckbill check valves allow free flow with positive differential pressure. With negative differential pressure, backflow is checked. Pressure drop across the valve is a feature unique to duckbill check valves. They can be designed to operate in a few millimeters (inches) of water to several hundred kpa (psi), depending on valve size, geometry and compound characteristics. Duckbill check valves are also designed to start functioning at specific opening and closing pressure ranges, depending on your specifications. •normally open one-way check valves •prevents backflow leakage when minimal backpressure is applied •can be installed easily into hole and sealed by compressing flange Duckbill check valve features: Reliable backflow prevention 100% elastomeric construction eliminates maintenance Will not corrode, warp or freeze open or shut 1”-2” cracking pressure, low head loss Curved bill enhances sealing around debris Custom built for each application based on pressure and flow conditions Available in diameters from 1/2" (12mm) to 96” (2400mm) Note: 1. The inner diameters are matched to the pipe outer diameter on which installed. 2. The weight is approximate. 3. The dimensions are not integrated in the above table, contact liangda for more information. 4. We can make duckbill valves with any dimensions rubber flange available as per requirement. 5. Pcs are the number of half part of the clamps. 6. The usual material of the clamp is stainless steel 304, other material availble upon request. 7. Duckbill valves of dimensions in the above table are available in inventory. Any other dimensions and designs available upon request. Plastic bags , wooden box , or as requested
Sdyx-ds series check calves allow free flow in one direction and block flow in the counter direction.
