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ValveGate ValveHand Operated Valve10 Inch Valve
Tianjin Auswell Valve Co., Ltd.
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Product Description Product Description1. Product DefinitionA flanged rising stem gate valve is a full-bore shut-off valve engineered to control medium flow (for on/off operations only, not throttling) via the vertical movement of a gate (disc) along the valve seat. Its flanged connection enables secure integration with pipelines, making it well-suited for medium-to-high pressure, large-diameter systems that demand reliable sealing performance.2. Structural CompositionComponentDescription & Key RoleValve BodyFabricated from materials like cast steel, stainless steel (e.g., 304/316), or ductile iron. It provides structural integrity and houses internal components.Rising StemA threaded stem that moves vertically in tandem with the gate. The visible stem travel serves as a clear indicator of the valve's open/closed position (characteristic of the rising stem design).Gate (Disc)Available in wedge or parallel styles (varies by design). When fully closed, it forms a seal against the seat to block media flow.HandwheelA manual operating device: Rotation of the handwheel drives the stem and gate. For large-diameter valves, gearbox attachments are offered to reduce operating torque.Sealing PairComprises either a metal-to-metal seal or a soft seal (e.g., PTFE) between the gate and seat. Ensures zero leakage under the rated pressure.3. Working PrincipleClosing Process: Rotate the handwheel → The threaded stem descends, pushing the gate against the seat → This action seals the flow path, achieving full closure.Opening Process: Rotate the handwheel in the reverse direction → The stem rises, lifting the gate to fully open the flow path (creating an unobstructed channel with minimal pressure drop).4. Key FeaturesReliable Zero-Leak Sealing: The tight metal or soft seal between the gate and seat effectively prevents media leakage, a critical requirement for handling hazardous fluids.Low Pressure Drop: The full-bore design (providing an unobstructed flow path when open) minimizes energy losses during operation.On/Off Operation Only: Not intended for flow regulation (throttling can cause damage to the gate and lead to leakage).Visible Stem Position: The rising stem design allows for clear visibility of the stem's travel, enhancing operational safety by indicating the valve's open/closed status.High Pressure and Temperature Tolerance: Capable of withstanding PN1.6-42.0MPa (ANSI Class 150-2500) and operating temperatures ranging from -29oC to 600oC (varies depending on the material used).5. Technical Specifications (Typical Range)ParameterDetailsNominal Diameter (DN)Ranges from DN50 to DN1200 (equivalent to 2″-48″)Pressure RatingCovers PN1.6-42.0MPa (corresponding to ANSI Class 150-2500)Body MaterialOptions include Carbon Steel (WCB), Stainless Steel (304/316), Ductile Iron, and Alloy SteelTemperature RangeSpans from -29oC to 600oC (varies based on material and seal; for example, PTFE seals are limited to ≤180oC)Standards ComplianceAdheres to GB/T 12234, API 600, ASME B16.34, and DIN 3352 standards6. ApplicationsOil & Gas Sector: Used for shutting off pipelines transporting crude oil, natural gas, and petrochemical products.Municipal Water Infrastructure: Deployed in clean water supply networks, sewage systems, and fire protection pipelines.Power Generation Facilities: Integrated into steam, condensate, and cooling water circuits.Refineries and Chemical Plants: Employed for isolating both corrosive and non-corrosive media (stainless steel variants are preferred for handling acidic substances).7. Selection ConsiderationsMedia Compatibility:For corrosive media (such as acids and alkalis): Opt for stainless steel (316) or alloy steel.For abrasive media (like slurries): Choose a valve with a hardened gate/seat (e.g., one featuring Stellite coating).Pressure and Temperature Requirements:For high-pressure applications (≥PN10.0MPa): Verify the strength of the valve body and seat (e.g., forged steel may be more suitable than cast steel).For high-temperature applications (≥425oC): Select a metal-seal configuration (soft seals tend to degrade at elevated temperatures; for instance, PTFE seals have a maximum operating temperature of 180oC).Rising Stem vs. Non-Rising Stem:Rising Stem (as shown): Offers visible stem travel, making it ideal for outdoor or systems where visual status indication is crucial.Non-Rising Stem: The stem rotates while the gate moves, saving space in compact installations.Flange Standard Matching:Ensure the valve flanges match the pipeline flanges (e.g., an ANSI Class 150 valve should be paired with ANSI Class 150 pipe flanges) to avoid leakage and misalignment issues.8. Maintenance TipsPrevent Stem Jamming: Regularly lubricate the stem threads, particularly for valves used in outdoor environments.Seal Inspection: During shutdowns, check for signs of leakage. Replace worn seals promptly (note that soft seals generally have a shorter service life).Avoid Partial Opening: Throttling can cause damage to the gate and seat. Use the valve strictly for full on/off operations. Packaging & Shipping Company Profile Rooted in a legacy of excellence, Tianjin Auswell Valve Co., Ltd. proudly adheres to a multitude of international standards including those from China, Germany, Britain, America, Japan, and Australia. Our versatile range spans nominal diameters from DN15 to DN3000, pressure classes from 0.60 Mpa to 6.4 Mpa, and is capable of operating within temperatures from -20°C to 150°C. With a rich palette of materials like gray cast iron, ductile iron, cast steel, stainless steel, and duplex steel, our repertoire includes precision-crafted soft-sealed butterfly valves, soft-sealed gate valves, check valves, filters, ball valves, globe valves, balance valves, and diaphragm valves.Driven by a relentless pursuit of perfection, Tianjin Auswell Valve Co., Ltd. has significantly bolstered its management framework in recent years to meet and anticipate our clients' needs. We've proudly garnered the prestigious ISO9001 Quality Management System Certification and the esteemed British WARS Drinking Water Certification. Our product offerings, celebrated for their reliability, have made their mark across Europe, Asia, Africa, and beyond, earning widespread acclaim and trust from our clientele. Upholding our commitment to quality, we at Auswell Valve Co., Ltd. are eager to collaborate fully with peers in the valve industry. Together, we strive to elevate Chinese craftsmanship onto the global stage.Tianjin Auswell Valve Co., Ltd. It is nestled in a storied historical town in China, a place celebrated for its rich legacy and famed for its rice cultivation. Industrial Park, Xiaozhan Town, Jinnan District, Tianjin. Here, our company boasts comprehensive production capabilities, from innovative product design and precise mold manufacturing to advanced machining, meticulous rubber smelting, epoxy spraying, and rigorous valve assembly and testing.With state-of-the-art processing equipment and exquisite craftsmanship, we assure that every product aligns with national or international standards, reflecting our commitment to excellence. Our dedication to superior craftsmanship ensures that we deliver only the highest quality products to our valued customers.Rooted in a legacy of excellence, Tianjin Auswell Valve Co., Ltd. proudly adheres to a multitude of international standards including those from China, Germany, Britain, America, Japan, and Australia. Our versatile range spans nominal diameters from DN15 to DN3000, pressure classes from 0.60 Mpa to 6.4 Mpa, and is capable of operating within temperatures from -20°C to 150°C. With a rich palette of materials like gray cast iron, ductile iron, cast steel, stainless steel, and duplex steel, our repertoire includes precision-crafted soft-sealed butterfly valves, soft-sealed gate valves, check valves, filters, ball valves, globe valves, balance valves, and diaphragm valves.Rooted in a legacy of excellence, Tianjin Auswell Valve Co., Ltd. proudly adheres to a multitude of international standards including those from China, Germany, Britain, America, Japan, and Australia. Our versatile range spans nominal diameters from DN15 to DN3000, pressure classes from 0.60 Mpa to 6.4 Mpa, and is capable of operating within temperatures from -20°C to 150°C. With a rich palette of materials like gray cast iron, ductile iron, cast steel, stainless steel, and duplex steel, our repertoire includes precision-crafted soft-sealed butterfly valves, soft-sealed gate valves, check valves, filters, ball valves, globe valves, balance valves, and diaphragm valves.Driven by a relentless pursuit of perfection, Tianjin Auswell Valve Co., Ltd. has significantly bolstered its management framework in recent years to meet and anticipate our clients' needs. We've proudly garnered the prestigious ISO9001 Quality Management System Certification and the esteemed British WARS Drinking Water Certification. Our product offerings, celebrated for their reliability, have made their mark across Europe, Asia, Africa, and beyond, earning widespread acclaim and trust from our clientele. Upholding our commitment to quality, we at Auswell Valve Co., Ltd. are eager to collaborate fully with peers in the valve industry. Together, we strive to elevate Chinese craftsmanship onto the global stage. After Sales ServiceOur advantage :Hoswell valve company distinguishes itself with a comprehensive set of strengths. We possess in - house independent R & D capabilities, backed by state - of - the - art processing equipment. Our manufacturing processes adhere to industry - leading standards, and we operate a rigorous quality control system.Product Quality AssuranceQuality Commitment and Inspection: Before leaving the factory, valves need to undergo strict quality inspections, such as pressure tests, sealing tests, etc. It is ensured that there are no casting defects like sand holes or air holes in the valves, and there are no bruises or scratches on the flange sealing surfaces. The markings of flow rate, direction, nominal pressure, diameter, material, etc. are clear and complete. It is promised that the valves are produced and inspected in accordance with national standards, and unqualified products will not leave the factory.Warranty Period Service: Provide a certain period of warranty service. During the warranty period, for malfunctions caused by product quality problems, the manufacturer will repair or replace parts free of charge.Technical SupportPre-sales Consultation: Before customers purchase valves, provide them with professional technical consultations, including suggestions on product selection, specification parameters, material characteristics, applicable working conditions, etc., to help customers choose the most suitable valve products.Installation Guidance: Provide installation guidance services, which can be carried out online (such as by phone, video, installation manuals, etc.) or offline (by sending technicians to the site) to ensure that the valves are installed correctly and avoid problems caused by improper installation.Usage Training: Provide usage training for customer operators, enabling them to be familiar with the operation methods of the valves, key maintenance points, knowledge of troubleshooting common faults, etc., and improving the customers' ability to use and maintain the valves.Supply of Maintenance Parts: Ensure the timely supply of maintenance parts. For the damage of parts outside the warranty period, provide the parts at a reasonable price (such as the cost price).Regular Follow-up Visits: Regularly conduct follow-up visits to customers, understand the usage situation of the valves, and collect customers' feedback opinions, so as to improve the products and services. FAQ1) Q: Are you a manufacturer or trading company? A: HoswellValve is a professional valve manufacturer with experienced R&D team.2) Q: Do you have any agent or representative abroad? A: Yes, we have agents in some countries, they can offer local service for you.3) Q: What kinds of valve can you supply?A: We can supply butterfly valve, ball valve, check valve and so on.4) Q: Do you have any certificate for the valves?A: Yes, we have CE, BV, ATEX, TS and so on.5) Q: What's the delivery time?A: If all the parts of the valve are ready in stock, the valves can be delivered within 7~10 days. 6) Q: What are the countries or regions you supply valves? A: Hoswellvalves have been supplied to USA, Europe, Australia, Singapore, South Africa and so on.
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