SQ947Y,SQ347Y type top-mounted ball valve

Top mounted ball valve,The integrated valve body equipped with ball valve can effectively reduce the leakage point and bear high pressure; The mounted ball valve below DN100 is designed with double inclined plane structure.Under the action of the spring, the valve can self-compensation sealing, ensure the valve in the middle and low pressure have good sealing performance, long service life;Fixed structure is adopted above DN100 to ensure its performance. Top mounted ball valves are widely used in petroleum and natural gas pipelines, as well as in oil recovery, refining, petrochemical, chemical industry, metallurgy, nuclear power, food and paper equipment.

一.Product Introduction
Top mounted ball valve,The integrated valve body equipped with ball valve can effectively reduce the leakage point and bear high pressure;
The mounted ball valve below DN100 is designed with double inclined plane structure.Under the action of the spring, the valve can self-compensation sealing, ensure the valve in the middle and low pressure have good sealing performance, long service life;Fixed structure is adopted above DN100 to ensure its performance.
Top mounted ball valves are widely used in petroleum and natural gas pipelines, as well as in oil recovery, refining, petrochemical, chemical industry, metallurgy, nuclear power, food and paper equipment.

二.Product Features
1. Integral valve body design, top pivot fixed support, flange structure

2.High-strength integral pivot fixed cue is designed with blowout proof protection structure to ensure accurate positioning of the ball

3、with double blocking discharge function (DBB function), fire and anti-static

4、2-Block O-ring seal, coupled with fire retardant packing structure on the stem, effectively prevents leakage

5、(INCONEL) spiral spring makes the metal seat of nylon seal move towards the ball, with the function of two-way sealing of inlet and outlet

6、Superior standard nylon and PEEK seats ensure an effective seal at low pressure

7、Sealant injector designed to provide an emergency injection of sealant to seal the stem and seat

8、With unique retractable seating technology, ball clubs, stem seals, metal seats and spiral springs can be replaced online

9、Preset drive device platform and screw hole, ready to assemble the drive device required by the customer

三.Technical data

Valve specifications 2″ – 48″, DN50 – 1200, PN16 – PN100, CL150 – 2500
Applicable temperature (°C) -196~570°C
Applicable media Water, steam, petroleum, liquefied petroleum gas, natural gas, etc.
Material WCB, CF8, CF3, CF8M, CF3M, 4A, 5A, Monel, Incoloy etc.
Connection method Welding, flange
Operation method Handle, handwheel, gearbox, electric, pneumatic
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About Us

Founded in 2016, Shanghai Wangye Valve Manufacturing Co., Ltd. is a professional industrial fluid control manufacturer with nearly a decade of experience, integrating R&D, intelligent production, sales, and customized solutions. Leveraging Shanghai’s advanced manufacturing advantages, we’ve built a reliable brand across petrochemicals, power, metallurgy, water treatment, and new energy industries, offering gate/ball/butterfly valves and tailored solutions for harsh conditions. Backed by advanced equipment, full-process quality control, and ISO certifications, we adhere to “Integrity, Quality, Customer Focus, Innovation” and provide comprehensive services, striving for long-term cooperation and continuous technological upgrading.

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Why Choose Us

Talent and Efficient Team

WYE always insists that employees are the most valuable asset of the enterprise and the future of WYE; Adhere to prioritizing talent selection, education, and utilization in the development of enterprises; introducing talent as the highest return investment behavior. We regard talent as the primary resource for effective management, and pursue a high degree of harmony and unity between employee personal development and enterprise development.We encourage you to have a special perspective, think independently, and be good at organizing resources from all parties. Always maintain a responsible attitude towards results and a positive team spirit that is willing to share in every task..

High End Processing Equipment Creating Excellent Product Quality

Advanced automated production equipment and sophisticated assembly line production demonstrate first-class quality.Technical experts directly participate in production to ensure the concealment and reliability of the product.The increasing awareness of high-quality products and the continuous supply of industrial products have made WYE constantly changing.No matter how the world changes, the persistent spirit of excellence among WTE people remains unchanged.

Warehouse Strength

In our facility, raw materials (including core components and packaging supplies) are strictly controlled via a real-time digital inventory system—tracking batches, shelf life, and storage conditions to boost traceability and cut waste. Semi-finished products, post-preliminary quality checks, are stored per strict industry standards: labeled with progress/inspection records to avoid cross-contamination and damage. Finished products are sorted into specialized warehouses by type, market, and delivery schedule, streamlining picking and reducing dispatch delays. This standardized process effectively boosts efficiency: cutting redundant steps by 30%, shortening fulfillment cycles by 20%, and minimizing inventory/shipment errors.

Customized Solutions & After-Sales Support

Tailored to the distinct demands of industries like petrochemicals, new energy, and metallurgy, WYE provides personalized industrial fluid control solutions—covering pre-project demand assessment, customized valve design (matching specific working conditions like pressure or medium type), and on-site technical consultation to align with clients’ operational scenarios. Additionally, we offer comprehensive after-sales support: including on-site installation guidance, regular equipment maintenance inspections, and 24/7 responsive fault troubleshooting, which ensures the stable operation of clients’ systems and strengthens long-term cooperative partnerships.

Our Services

Our company is a one-stop solution for all valve-related needs, offering customization to tailor valves to unique specifications, professional installation & commissioning for seamless integration and optimal performance, maintenance & repair to keep valves in top condition and extend their lifespan, and technical support & consultation for expert advice on selection, optimization, and troubleshooting throughout every project stage.

Valve Customization Service

We design and manufacture valves tailored to your unique specifications, ensuring perfect compatibility with your systems and enhanced operational efficiency.

Valve Installation & Commissioning

Our expert team provides professional installation and commissioning services, guaranteeing seamless integration and optimal performance of your valves from day one.

Valve Maintenance & Repair

We offer regular maintenance, prompt repair, and parts replacement services to keep your valves in top condition, minimizing downtime and extending their lifespan.

Technical Support & Consultation

Get expert advice on valve selection, system optimization, and troubleshooting. Our technical team is available to guide you through every stage of your valve-related projects.

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EXHIBITION & PROJECTS

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Valve Solutions That Transform Your Operations

Our valves offer superior durability, precise control, and tailored solutions for your industrial, commercial, or residential needs. Don’t miss the opportunity to get reliable valve products and expert support.

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