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China, Chinese Durable High Pressure Diaphragm Valve for Global Gas Industry 1/2", 3/8" VCR Connector1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveDiaphragm Valve3/8" VCR ConnectorManual High Pressure Diaphragm ValveGlobal Diaphragm Valve
Hunan Wofly Technology Co., Limited
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Product Description Product DescriptionProduct DescriptionWV8H Series High-Pressure Diaphragm ValvesEngineered to deliver superior performance in challenging environments such as semiconductor fabrication, solar PV systems, research laboratories, and precision gas pipeline networks. These valves excel in handling ultrapure media (gases, deionized water, and corrosive acids), providing reliable on/off control. With a maximum operating pressure rating of 3500 psi (241 bar), they ensure consistent operation under extreme conditions. Each unit undergoes stringent helium mass spectrometry leak testing and comprehensive functional validation, guaranteeing premium reliability before leaving our facility.FeaturesMetal to metal seal, no packing.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/s Detailed Photos Technical dataPort Dimension : 1/2'' ,3/8"Flow coefficient :Cv=0.8Maximum working pressureManual : 241bar(3500psig) Pneumatic: 206bar(3000psig)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 numberTraffic data Packaging & 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.Support various logistics, express delivery options can be negotiated by both parties. Company ProfileFounded in 2011, Wofly Technology specializes in high-purity fluid control valves and components, and provides integrated gas distribution systems. Our ISO 9001-certified product portfolio-including diaphragm valves, pressure regulators, and precision instrumentation valves-complies with CE, RoHS, and SEMI S2 standards.Engineered for critical applications in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions ensure leak-tight performance in ultra-clean environments.With 14-year commitment to advancing gas handling safety, Wofly delivers certified reliability through rigorous quality management systems, supporting global clients in mission-critical industries.We always adhere to the development concept of quality first, innovation, honesty and trustworthiness, heart service, and building the future together, take customer as the center, encourage technology research and development effective force to adhere to scientific and technological innovation and establish a national brand.The founding team has been engaged in the design and development of semiconductor high-purity pipe valves for nearly 20 years, the introduction of the core technology of the valve industry in the United States, and constantly explore and innovate the development of high-quality and cost-effective ultra-high-purity diaphragm valves, pressure reducing valves, automatic switching systems and related products, and is committed to becoming a first-class ultra-high-purity fluid system fitting provider. Compared to other low-quality products, our valves and fittings are durable, and the body of the product is mostly made of stainless steel 316 or 316L, which has a smooth appearance and the picture matches the real thing.Orbital welding is adopted, the smoke generated during welding is small, environmentally friendly, and the surface finish is brighter than ordinary manual welding.Provide consistent weld quality, excellent weld quality, and meet the requirements of precision instrument valves.All the main parts are produced by themselves, and the machining workshop is equipped with CNC machine tools and turning and milling compound lathes to ensure the consistency and stability of quality from raw materials and bars to finished products.Certifications FAQQ1: What materials are the valve body and stem made of?A1: Common valve body materials include stainless steel, brass, etc. The stem is usually made of stainless steel.Q2: How is the quality of the product guaranteed? Are there any certifications?A2: The products have undergone strict quality testing in the production process, in line with relevant industry standards, and have ISO and other quality certifications.Q3: How about the sealing performance of the needle valve?A3: The use of high quality sealing materials can ensure a good seal at 3000psi pressure and the leakage rate is very low.Q4: How accurate is the flow control of the needle valve?A4: Precise flow control can be achieved by fine-tuning the stem.Q5: What are the precautions for installation?A5: Make sure the pipeline is clean before installation, pay attention to the alignment and tightening strength of the threads during installation to avoid damage caused by too tightness.Q6: How to carry out daily maintenance and repair?A6: Check the condition of the seal regularly, clean the inside and outside of the valve, and replace the seal regularly according to the frequency of use and the medium.Q7: What does after-sales service include?A7: It usually includes the return and exchange of product quality problems, free maintenance and technical support within a certain period of time.
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