Body ABS Inner Silicone Type Duckbill Opening Pressure 2.5~4.5 Kpa Back Pressure = 500 Kpa Common Inner Material Silicone/NBR/VITON/FVMQ/EPDM Common Body Material PP/ABS/PA66/PVDF Common Port Size 1/4'', 1/8'', 1/16'', 3/8'', 3/16'', 5/16'' Experience 5-year History Certificate ISO9001: 2008
?specializing Our company is specializing in the production of various kinds of valves: plastic check valve , duckbill valve , umbrella valve, combination valve , medical check valve and etc . ?variety The company produces various kinds of valves , various types and different size valves , In order to meet your different needs. ?quality controlled The company is considering ."quality first, service first" for the purpose of quality control. Quality is guaranteed to ensure you have an assured purchase! ?favorable price We will provide you favorable and reasonable price! the larger amount, much more discount!
Good day and thx for your value time. And this is cellen from ningde jingteng rubber industry co., ltd. We are a manufacturer of food grade plastic / rubber check valve, And we are factory specializing in the manufacture and export of them for more than six years. 1) we have profuse designs with series quality grade, we have a complete set of quality control system. 2) we have own high grade dust-free workshop. 3) our price is very competitive because we are manufactory and we are the source. Should any of these items be of interest to you, if you want to know more about our product, by the way, free sample are available. You can also come to our valve website: www.Rubbervalve.Com, and choose the existing one you require
Nicholas is from an Italian hydraulic company. Last year, a batch of hydraulic equipment needed to use the hydraulic check valve urgently. Due to tight time, Nicholas purchased in Italy. After installing the local hydraulic check valve, the equipment commissioning was normal, but 3 months later, some users complained that the pressure of the power unit was insufficient. It was found that the hydraulic check valve was stuck on site, resulting in weak pressure supply of the system. Nicholas contacted the original hydraulic check valve supplier and the supplier replied that the jamming was caused by unclean hydraulic oil. The on-site personnel found that the hydraulic oil was polluted, so they could only disassemble and clean the stuck hydraulic check valve. After replacing the hydraulic oil of the whole system, the equipment returned to normal. But a few months later, the same problem happened again, and Nicholas's after-sales personnel operated again as last time. The boss felt that the problem should be solved fundamentally after he knew it. Such after-sales cost is too high. Their engineers fed back that they could only install the filter screen at the inlet of the hydraulic check valve, but the original design of the equipment did not consider the position of the filter screen. It will cost more to refit the whole set of equipment. The boss asked Nicholas to contact more local hydraulic check valve manufacturers to brainstorm. After knowing the problem with this hydraulic check valve from Nicholas, and the hydraulic oil is inevitably polluted, combining with their equipment working conditions and installation drawings, I told him that we can only find hydraulic check valve with filtering function. AAK has similar hydraulic check valve with automatic filtering function. Nicholas doesn't believe that AAK can provide such a hydraulic check valve. After receiving AAK sample and installing it, the equipment works normally. Nicholas asked us how long AAK hydraulic check valve with filter screen can work? We told him that there would be no users to apply for repair within 1 year. Nicholas asked why we are so confident. I told him that a Canadian customer had the same problem last year. We developed this new hydraulic check valve. Within one year, Canadian customer has not reported that there is a problem with this hydraulic check valve yet. Half a year later, Nicholas sent an email saying that his customers had never changed the hydraulic oil after using AAK hydraulic check valves. At that time, in order to save the installation space of filter plug-ins for the hydraulic system of Canadian customer, not to use bulky filter containers, and keep the system clean and extend the service life of hydraulic check valves, AAK designed a hydraulic check valve with filter embedded into the body, that is, the filter screen and the hydraulic check valve are installed in the valve block together.
Shinjo Valves-Dual Plate Check Valve, Material GG 25, WCB, SS 304 / 316 Dual Plate Check Valves uses butt-installation and is used in the pipeline or on the pump outlet to, as a safety device, prevents the pump from inversed running due to the different water hammer's shock caused by the medium's back-flow in the pipeline when the pump stops. And it features by small volume, light weight, easy installation and maintenance, set with a guide device, flexible and quick close, preventing of huge medium's back-flow differential and forming silencing effect. Suitable for the pipeline of water supply and drainage, warming etc. or the pump outlet to prevent both pump and pipeline from being damaged due to the medium's back-flow and water hammer's shock.
maximum working temperature 220c take off pressure 0.5-16bar body: cw617 sealing material: metal seal or teflon seal applications: mold temperature machine, air condition. heat pump,heating. coal to electricity. boilers,machinery.
The butterfly-shaped buffer check valve is composed of a valve body, a valve clack, a buffer device and a micro-regulating valve. The product has the characteristics of novel structure, small volume, small fluid resistance, stable operation, reliable sealing, abrasion resistance, good buffer performance and the like, and is mainly used for industrial water supply and water pump outlet of the sewage treatment plant, and the medium in the pipe network is prevented from flowing reversely. The destructive water hammer is automatically eliminated, so that the water pump and the pipeline are not damaged The butterfly type buffer check valve can be divided according to its structure and installation mode. 1. The disc of the butterfly buffer check valve is disc shaped and rotates around the rotating shaft of the seat passage. Because the inner channel of the valve is streamlined and the flow resistance is smaller than that of the lifting butterfly check valve, it is suitable for large caliber situations with low velocity and irregular flow, but not suitable for pulsating flow, and its sealing performance is not as good as that of lifting type. Butterfly check valve is divided into three types: single valve type, double valve type and multi half type. These three forms are mainly divided according to valve caliber, in order to prevent the medium from stopping flow or backflow, and to reduce the hydraulic impact. 2, butterfly buffer check valve: disc sliding along the vertical center line of the valve body check valve, the internal thread check valve can only be installed on the horizontal pipe, in the high pressure small caliber check valve disc can use a ball. Butterfly check valve body shape is the same as globe valve (can be used with globe valve), so its fluid resistance coefficient is large. The structure is similar to the globe valve, and the valve body and disc are the same as the globe valve. The upper part of the disc and the lower part of the cover are machined with a guide sleeve, and the disc guide can be lifted and lifted freely in the guide simple of the valve. When the medium flows down, the disc is opened by the medium thrust, and when the medium stops, the disc falls on the seat from drooping, which plays the role of preventing the media countercurrent. The direction of the medium inlet and outlet channel of the straight butterfly check valve is perpendicular to the direction of the valve seat channel, and the direction of the medium inlet and outlet channel of the vertical lifting check valve is the same as that of the valve seat channel, and its flow resistance is smaller than that of the straightway type.
Jis marine cast iron globe valve/sdnr valve/gate valve/swing check valve/hose valve Jis f7305/7306/7307/7308/7309/7301 F7353/7354/7375/7376/7377/7378 F7363/f7364/f7369 F7372/f7373 F7333a & f7333b Jis standard, packed in plywood case
* The API BS 1868 series of Swing Check Valves is exceptionally sturdy, rugged and durable, with a reputation for quality, integrity, and long service. * They are designed for tight sealing and ease of operation. The valves are available flanged & butt-weld ends in pressure rating from ASME Class 150 to Class 2500, and in a variety of materials of construction. * Check Valves are of swing-type and bolted-cover construction. They conform to BS 1868 and also meet the general requirements of API 600, including shell wall thickness. Main features * Bolted body-cover design, seal welded & Valves with pressure seal cover * Bolted body-cover joints provided with spiral-wound stainless steel gasket and graphite filler for maximum protection against leaks * Die-formed graphite inner packing rings and braided graphite end rings with Inconel wire reinforcement and corrosion inhibitor * T-head stem-disc connection of gate valve fully meets strength requirements of API 602 and API 598 * Rolled ACME thread on the stem for smooth operation * Tapered shoulder on the stem for back seating * Self-aligning type gland assembly with stud-and-nut tightening * Integral hard-faced body seat for globe and check valves * Spring-loaded disc on check valves suitable for no horizontal applications too * Gate and globe valves can be offered with electrical actuators * Austenitic SS forging for body and bonnet of Cryogenic valves, resulting in excellent impact strength, minimal heat loss, and resistance to corrosion * Valves can be offered to NACE MR-0175 and other special NACE requirements
Audco, ASA Class 800, Forged Carbon Steel Check Valve with Body & Cap of Forged Carbon Steel to ASTM A105 Trim of 13% Cr. S.S. Ends Screwed to ANSI B.20.1 NPT/Socket weld Size in MM: 15, 20, 25, 32, 40, 50
Audco, ASA Class 600, Forged Carbon Steel Check Valve with Body & Cap of Forged Carbon Steel to ASTM A105 Trim of 13% Cr. S.S. Ends Flanged & Drilled to ASA Class 600 Size in MM: 15, 20, 25, 32, 40, 50
FOB Price: US $20.0 - 2,000 / Set Min.Order Quantity: 1 Set/Sets Ductile iron DN80 Wafer Type Buttefly Disc Check Valve Supply Ability: 20000 Ton/Tons per Year Ductile iron DN400-400 Buttefly Disc Check valve.supply is large Port: TIANJIN XINGANG/SHANGHAI PORT/NINGBO PORT Payment Terms: L/C,T/T,Western Union,MoneyGram,Amount less than 500$,we just accpt 100% payment. Quick Details Standard or Nonstandard: Standard Structure:Check Pressure: Low Pressure Power: Manual Material: Ductile iron Check valve Temperature of Media: Medium Temperature Media: Base Port Size:DN40-DN400 Place of Origin: Hebei, China (Mainland) Model Number: DH77X wafer butterfly check valve Brand Name: PYL Application: General Name of product: Ductile iron DN80 Wafer Type Buttefly Disc Check Valve Material of product: Ductile iron check valve IItem Number: DH77X Type of product: wafer butterfly check valve Pressure of product: PN10/pn16 Size of product: DN40-DN400 Authenication of product: ISO9001$14001 Medium: Water./non-corrosive liquid Factory History: Since 1996s Natural of company: Manufacture Packaging & Delivery Packaging Details: Woven bag, wooden box, wooden pallet with plastic film, container (we can change the shape of the packaging according to customer requirements) Delivery Detail: Shipped in 30 days after payment Main parts and materials of Ductile ironGrey Iron DN80-400 Wafer Type Butterfly Disc Check Valve Part. Name Material Valve Body/Bonnet Stainless Steel Ball/Stem 2Cr13 Seal ring F4 stainless steel The main vlalve products of our company include (1) ANSI gate valve, DIN gate valve, GOST gate valve, Soft sealing gate valve, Knife gate vave, Flat gate valve (2)Wafer type butterfly valve, flange type butterlfy valve, single eccentric butterfly valve, double eccentric butterfly valve, Three eccentric buterrfly valve (3)Check valve, lift check valve, swing check valve, wafer type check valve, spring check valve (4) ball valve, tee ball valve, 4 way ball valve, welding ball valve (5)strainer, filter, Y type strianer Materials WCB A216 ; Q235,ST37 ; LBC/LCC ; WC6/WC9 ; WCC ; CA15 A217 ; M-30C ; H.B/H.C ; HT250/GG25 ; GGG40 ; SS304 ; SS304L ; SS316 ; SS316L THE MAIN TYPE AND MATERIAL OF OUR VALVE Every valve must be tested before the delivery, the test including strength test and the enclose testing We also provide OEM services to customers in order to produce the strongest support. If you have any questions or you are interested in our products,please don't hesitate to cantact us!!!
Feature: Astm a216 wcb, a217 wc6, a351cf8, a351cf8m, A351 cf3, a351 cf3m, a351 cn7m Technical speciafication Design & manufacture standard: api6d, bs1868, api594(wafer type) Face to face dimensions: ansi/asme b16.10 Flange connection: ansi/asme b16.5 for nps24, asme b16.47a/mss sp-44 for nps>24. Butt-welding end dimensions: ansi/asme b16.25 Socket-welding dimensions: ansi/asme b16.11 Screw ends dimension: ansi b1.20.1 Inspection & test standard: api6d, api598. Nopart namewcb/trim 1wcb/trim 5wcb/trim 8cf8/ 304cf8m/316 1body a216 wcb a216 wcb a216 wcba351 cf8a351 cf8m 2seat ringa105+13 cra105+stla105+stla351 cf8a351 cf8m 3disc a216 wcb+13cra216 wcb+stla216 wcb+stla351 cf8a351 cf8m 4arm a216 wcb a216 wcb a216 wcba351 cf8a351 cf8m 5nut a194 2h a194 2h a194 2ha194 8a194 8m 6arm pin182 f6a182 f6a182 f6aa182 f304a182 f316 7yokea216 wcba216 wcba216 wcba351 cf8a351 cf8m 8bonnet nuta194 2ha194 2ha194 2ha194 8a194 8m 9bonnet bolta193 b7a193 b7a193 b7a193 b8a193 b8m 10bolta193 b7a193 b7a193 b7a193 b8a193 b8m 11gasket304+graphite304+graphite304+graphite304+graphite304+graphite 12bonneta216 wcba216 wcba216 wcba351 cf8a351 cf8m 13eye bolta181a181a181astm a181astm a181
JYL 1/2" Inch Durable Professional Low Price Brass Spring Check Valve Item no:JYL-7108 Size:1/2"-4" Also known as the check valve, its role is to prevent the backflow of media in the pipeline. The opening and closing parts are self opened or closed by the medium flow and force, so...
China Silent Check Valve Manufacturer Shinjo Supplies H42X Silent Check Valve, Cast iron, WCB. H42X Silent Check Valve is mounted on the outlet pipe of the pump for the security pipes for avoiding the reversal rotation caused by the pressed water stream to impact the pump's stopping. This valve is small volume, light and convenient. With guiding device, flexible closing, linear sealing, excellent check result and can reducing the closing noise efficiently. z
Marine Ductile Iron Angle Check Valve JIS F7322C is made of ductile iron to replace the expensive bronze valve in some small size pipe system. Technical Specification: Design Standard: JIS F7322C-1996 Test Standard: JIS 7400-1996 Hydraulic Test Pressure: Body-1.05Mpa, Seat-0.77Mpa Flange Standard: JIS B2220 -5K Material: 1. Body/Bonnet---Ductile Iron FCD450 2. Seat---SUS (SCS2) /Bronze (BC6) 3. Stem---SUS (SCS2) /Brass (C3771BD)
Design Standard: JIS F7356-1996 Test Standard: JIS 7400-1996 Hydraulic Test Pressure: Body- 1.05Mpa, Seat-0.77Mpa~0.4Mpa Flange size as per JIS B2220 - 5K Main Material: 1-Body: Bronze (BC6) 2-Bonnet: Bronze (BC6) 3-Disc: Bronze (BC6) 4-Gasket: non-asbestos
