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China, Chinese Stainless Steel ANSI Semiconductor Purity Gas Pneumatic Diaphragm Valve Instrument OEM1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveDiaphragm ValveLow Pressure Diaphragm ValveStainless Steel Valve
Hunan Wofly Technology Co., Limited
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Product Description Product DescriptionProduct introductionWV8 series low-pressure diaphragm valves are carefully engineered for excellence in demanding applications such as semiconductor manufacturing, solar photovoltaic systems, laboratories, and any other scenario requiring precision gas pipeline systems. These diaphragm valves excel in high purity gas applications, offering a reliable on/off functionality. Experience unwavering performance with a maximum operating pressure of low-pressure diaphragm valve is 150psi (10bar).Each diaphragm valve undergoes rigorous helium leak detection and functional testing, ensuring top-tier reliability before it leaves our factory. FeaturesCircular transition flow path, easy to purge, no residue.Suitable for high flow application.Fully wrapped seat design, with superior anti-expansion and anti-pollution capabilities.Nickel-cobalt alloy diaphragm for higher durability and corrosion resistanceThe standard roughness is Ra0.25μm(BA class) or electrolytically polished Ra0.13μm(EP class)Helium test leakage rate <1×10^-9 mbar.l/sManual/Pneumatic actuators are available,Actuator type can be selected as handle, normally open or normally closed.Pneumatic valve life up to 3 million times. Product ParametersSpecificationTechnical dataPort Dimension : 1/2'' ,3/8"Flow coefficient :Cv=0.7Maximum working pressure : 150psi(10bar)Internal diameter: 0.31inch(7.9mm)Pneumatic actuator working pressure :4.2~6.2bar(60~90psig)Working temperaturePCTFE:-23~+65oC(-10~+150°F) Vespel:-23~150oC (-10~302°F)Surface roughness:standard Surface roughness is Ra0.25um,BA-grade product.EP-grade product is optional,Surface roughness is Ra0.13um.Leakage rate (Helium) Inside : ≤1×10^-9 mbar.l/s Outside : ≤1×10^-9 mbar.l/sClean processBA : Welded joints are cleaned in accordance with our standard cleaning and packaging specifications.EP : Provides controlled surface finish, electrolytic polishing Ra0.13μm, ultrasonic cleaning with deionized water. To order, add the suffix -EP to the order numberModel explanationWV8- 6L - TW 8 -MR 8 C A - EPProductModelValve body materialInlet types InletdimensionOut let typesOut let dimensionExecutor typeValve seatClean Process 6L-316Stainless steel6LV-316LVAR6LW-316LVIM-VARTW-Tube butt weldMR-VCR Male connectorFR-VCR Female connectorTF-Fractional Ferrules6-3/8"8-1/2" SameasinletMarking method same asinlet HandleC-Pneumatic NomallyclosedO-Pneumatic Normally Open PCTFEA-PFAStandard(BA-grade)EP-Ultra high-purity(EP-grade)Flow rate data Air@21oC(70F) Water@16oC(60F)Pressure drop at maximum atmospheric pressurebar(psigAir(l/min)Water(I/min)0.68 (10)2408.43.4 (50)63018.66.8 (100)112026.6Packaging & ShippingPackage and deliverySelling units: Single itemSingle package dimensions: 10 x 10 x 10 cmSingle gross weight: 0.35 kgOur export packaging adheres to the highest standards: utilizing a double-layer plastic bag, vacuum-sealed inside, complemented by plastic packaging outside, all neatly enclosed in a white carton with a cardboard box for enhanced protection.FAQ1. What's your payment ?A:T/T,Western Union, Paypal, credit card and trade assurance on Made in China.2. Where is there market for your factory?A:Southeast Asia ,UNE,and America ,Europe.3. Can you surpport OEM,ODM ?A:Yes,we can.4. Can you accept sample order and what is your MOQ?A:All products are in stock, MOQ is 1 pcs, Generally according to the requirements of customers, no matter how many we can accept.5. Which certificate do you have?A:ISO9001,CE,RoHS.6. What is your Brand? A:VOCK.7. What is your warranty?A:1 year warranty.8. Can after-sales service and technical consultation respond in time?A:Technical services are available 24H/D.Our technical team can provide technical services for pre-sale, after-sale, installation and research and development of new products.9. What is your delivery time(D/T)?A:1~2 weeks.10. Did you test all goods before delivery?A:100% passed pressure and helium leak detection tests.11. Do you have a patent for your invention?A:Yes ,we have more than 40 patents, including 16 national patents.12. What are your testing standards for your products?A:Helium leakage rate reaches≤10-9mbarL/S, and fatigue life of pneumatic diaphragm valve reaches 400W times.13. Which standard material Wofly choose ?A:Material :1. valve body:SEMI standard 316L rod, 316L VAR and 316L VIM-VAR are optional. 2. diaphragm strip:Hastelloy and nickel-cobalt alloy imported from the United States or Europe .3. valve seat:PCTFE, PFA.14. How to manage and control produce process ?A: 1. Wofly strictly obeys ISO9001-2015 quality management system.2.The ultrasonic cleaning, welding, assembly, testing and packaging of the valve are completed in the clean workshop.3.Each process is monitored, tested and recorded by the quality Department specialist to ensure the reliability of each process index.Our AdvantagesProduction strength1. Clean workshop assemblyAll products are meticulously assembled in grade 100 and grade 1000 clean workshops, ensuring pristine quality. They all pass a stringent helium seal test and functional test, guaranteeing reliability before leaving the factory.Wofly's state-of-the-art facilities include a dust-free workshop with over 100 sq. meters at 100 levels and 500 sq. meters at 1000 levels. Our dynamic team of 30 young production professionals leverages cutting-edge automated tooling and testing equipment to achieve a remarkable average output of 4000 valves per month.2. Machining workshop Within Wofly's advanced machining workshop, a fleet of CNC lathes, turning and milling compound machines, and machining centers operate with precision. These facilities produce critical spare parts, including valve bodies, nozzles, nuts, plugs, gaskets, handles, couplings, and more. Our comprehensive setup, featuring automatic deburring machines and ultrasonic cleaners, not only streamlines the production process but also enhances the quality of our spare parts. These components are indispensable for products like pressure regulators, diaphragm valves, check valves, ball valves, needle valves, tube fittings, ferrule connectors, and VCR connectors.Crafted with precision, our machined spare parts offer high accuracy, efficiency, superior material utilization, and exceptional stability, contributing to enhanced product quality, reduced production costs, and fulfilling customer needs with excellence.Certifications
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