Customization: | Available |
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Media: | Gas |
Driving Mode: | Pneumatic |
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Body: Constructed with premium materials, the body of our Four Lever Offset Shutoff Butterfly Valves ensures unmatched durability and strength, providing a robust solution engineered to withstand challenging environments while maintaining top-notch efficiency and functionality.
Type | Four Lever Offset Buterfly Valves |
Body Size | NPS 6-64''(DN 150-DN 1600) |
Disc Form | Four Lever Eccentric |
Flow to | Flow into the shaft side |
Characteristics | Liner/On-off |
Trim material/Trim treatment | See valve material table |
Body ratings | ASME B16.34 ANSI 150 |
Body Connections | ·ANSI, EN Double Flanged ·ANSI B16.25 ·API 609 Single Flange-Lug Type |
Face to Face Dimension | See valve overall size |
Range ability | Over 100:1(See Cv coefficients table) |
Bonnet Type | Standard -29 degree Radiation fin -55 degree-566 degree Cryogenic -196 degree-55 degree |
Packing | PTFE flexible graphite |
Leakage Class |
According to API 598 Zero Leakage |
• Maximum diameter of connecting valve body up to DN4000 - built to accommodate expansive industrial applications seamlessly.
• Unique four-stem structure design, featuring a flat seal design that ensures unrivaled performance and reliability.
• External double bearing design expertly prevents medium entry into the bearing, eliminating risks of blockage and promoting smooth operation.
• Incorporated drain valve that effectively counters medium corrosion, extending valve longevity and maintenance efficiency.
• Designed to withstand extreme conditions with a high temperature rating up to 800 ºC, offering exceptional resilience and durability.
• API607 Fire Protection Design ensures optimal safety and compliance with stringent industry standards.
• Integral stem design with anti-center shaft out features, providing steadfast security and operational integrity.
• Incorporates an anti-static design to prevent electrical hazards and enhance user safety.
• Anti-misoperation design - crafted to prevent errors, ensuring user trust and operational precision.
• Offers multiple sealing structures for options, tailored to meet diverse application needs with precision.
• High-quality fabricated construction that promises robust performance and lasting strength.
• In the initial stage of opening and final stage of closing, the disc moves parallel to the body seat, providing a friction-free motion for smoother operation.
• Various seat arrangement options, allowing customization to suit specific operational environments.
★ Cutting-edge Design Standards: AP1598API607ASMEB16.34 - Ensuring unmatched precision and industry compliance
★ Standard Size Range: NPS12-160 (DN300-DN4000) - Versatile solutions for varied applications
★ Pressure Handling: Class: PN2.5-PN20/ASME CLASS 150 - Robust and reliable for demanding conditions
★ Applicable Temperature Range: -20 °C ~ 800 °C - Designed for extreme thermal conditions
★ Leakage Standards: Class: ANSI B16.104 VI, API 598 - Guaranteed no leakage, ensuring top-notch sealing performance
★ Durable Body Materials: ASTM A105, A351 CF8M/special alloy options available for enhanced performance
★ High-Quality Valve Internals Materials: A479-316; S2205; 17-4PH - Engineered for longevity and reliability
★ Versatile Operation Modes: Manual, Pneumatic, Electric, Electro-hydraulic - Flexible control options
★Our product range is adaptable and can be expanded according to your bespoke needs, ensuring tailor-made solutions for every challenge
• Premium Sand Blasting Surface Treatment SA2.5
1. Comprehensive sandblasting both inside and outside of the valve body ensures optimal surface quality.
2. Achieve a refined surface post-sandblasting, promoting exceptional paint adhesion.
3. When the O2 content in the mediumum exceeds 23.5%, only external sandblasting is necessary, eliminating the need for internal processing.•
Petro China 270,000 tons/year advanced sulfur tail gas standard project
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Vivid images from the scene of SINOCHEM GROUP Refining and Chemical catalytic flue gas turbine outlet leading seamlessly to the chimney
SNT Machinery (Qingdao) Co., Ltd is a distinguished leader in the production of advanced control valves, seamlessly integrating manufacturing, design, sales, and service into a cohesive enterprise. Embarking on a journey of high innovation and rapid growth, SNT is nestled in the vibrant city of Qingdao, Shandong Province, sprawling across a modern, expansive 42,000 square meters. Our state-of-the-art facilities are equipped with cutting-edge production technology, rendering us a high-tech enterprise with independent intellectual property rights and global management and production insights. Our team is comprised of over 150 dedicated professionals, with 15% of them specializing in R&D and 30% holding graduate or higher degrees. This talented team drives our pioneering spirit and excellence in quality management, enabling us to produce a vast array of superior valves essential to petrochemical, oil, and coal chemical industries. In 2017, we proudly achieved a sales revenue nearing 100 billion, underscoring our commitment to quality and innovation.
SNT has achieved significant milestones including the prestigious TS special equipment manufacturing certificate and ISO 9001 accreditation. As a testament to our industry leadership, we hold the net qualification certificate from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, alongside several national patents in pioneering technologies. Our capabilities extend to designing and manufacturing an array of sophisticated valves adhering to ANSI, API, DIN, BS, and JIS standards. By melding the finest attributes of globally acclaimed valves with our independent research and development, SNT produces a diverse suite of valves such as GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, T Three-eccentric Center Butterfly Valves, V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. Our drive mechanisms include manual, power-driven, pneumatic, and hydraulic options. We employ premium materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications ranging from 1/2" to 120", and operational pressures from ANSI 150# to 2500#, catering to working temperatures between -196ºC and 1100ºC.
With our robust production technology, meticulous management, and unwavering quality assurance systems, SNT Valves have become indispensable across multiple industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele incorporates major industry players such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and SINOPEC Changling branch, among others. These partnerships are a testament to our reliability and performance in delivering exceptional valve solutions.
At SNT, we prioritize our customers' success, dedicating ourselves to establishing an unparalleled quality standard and a distinguished brand. Our comprehensive quality assurance and after-sales systems ensure that we forge enduring partnerships with our clients, collaborating to create mutual prosperity and success. Join us as we continue to push the boundaries of excellence and innovation in the valve industry.