DOBV API 609 Double Offset Butterfly Valves

Our double offset butterfly valve, crafted from ASTM A890 5A duplex stainless steel, is engineered for high performance and durability. Designed to API 609 Category B and EN 593 standards, this 16-inch, 150 LB valve features a soft seat for reliable sealing. Ideal for both isolation and regulating applications, it excels in environments requiring frequent operation. The lug end design ensures secure mounting, making it a versatile choice for various pipeline systems. Trust our advanced manufacturing process to deliver a valve that meets your rigorous demands.

一.Product Introduction
Our double offset butterfly valve, crafted from ASTM A890 5A duplex stainless steel, is engineered for high performance and durability. Designed to API 609 Category B and EN 593 standards, this 16-inch, 150 LB valve features a soft seat for reliable sealing. Ideal for both isolation and regulating applications, it excels in environments requiring frequent operation. The lug end design ensures secure mounting, making it a versatile choice for various pipeline systems. Trust our advanced manufacturing process to deliver a valve that meets your rigorous demands.
二.Product Features
1. Long lifespan for high-frequency operation (up to a million cycles)
2. Reduced torque for smoother operation
3. Replaceable seat for easy maintenance
4. Reliable tight sealing performance
5. Superior control characteristics
6. Bi-directional sealing under full pressure
7. Fire-safe seat option available
三.Technical data

Valve Model 1862084 High-Performance Butterfly Valve
Design Standard API 609 Category B, EN 593
Structure Double Offset, Double Eccentric
Body Material (First Set) ASTM A890 5A, ASTM A216 WCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, ASTM B148 C95800, Titanium
Body Material (Second Set) Carbon Steel, Stainless Steel, Duplex Steel, Aluminum Bronze, Titanium
Nominal Size 16 Inch, DN400; 1/2 – 48 Inch (DN15 – DN1200)
Nominal Class Class 150 LB, PN20; Class 150 – 300 LB
Seat Type Soft Seat
Operation (First Set) Gear
Operation (Second Set) Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Trim Material ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, ASTM A890 5A, ASTM B148 C95800, Titanium
Seat RPTFE, PPL
End Connection (First Set) Lug
End Connection (Second Set) Wafer, Lug, Flanged
Face to Face API 609, EN 593
Test and Inspection API 598, API 609
Working Temperature -26°C – +120°C (180°C for PPL seat)

 

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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.

Our Products

EXHIBITION & PROJECTS

COOPERATIVE PARTNER

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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