Dimension & Technical Specification of Grooved End Butterfly Valve

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Core Advantages of Manual Lever Operated Grooved Butterfly Valve

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Grooved End Fire Butterfly Valve ( D81X-16Q）)

1. Lever operated grooved wafer butterfly valve opens and closes quickly with low operating torque and minimal fluid resistance, making this grooved end resilient seated butterfly valve suitable for frequent on-off operation in plumbing, fire protection and industrial pipeline projects.

2. This grooved connection lever butterfly valve features a simple, compact structure with short face-to-face length and light weight, ideal for large-diameter grooved piping applications in HVAC, water supply and fire fighting pipeline systems.

3. Wafer type grooved butterfly valve with hand lever is suitable for handling slurry/media with solid particles, with minimal fluid accumulation at the pipe outlet for sewage treatment and mining pipeline working conditions.

4. Grooved resilient seated handwheel/lever butterfly valve provides reliable sealing performance even at low pressure for cold/hot water industrial piping and fire sprinkler pipe networks.

5. Manual lever grooved end butterfly valve offers excellent flow regulation performance for municipal water supply, fire service and building construction pipeline control.

6. When fully open, the valve seat channel of grooved wafer lever butterfly valve provides a large effective flow area with minimal fluid resistance for full-bore grooved fire protection piping layout.

7. The disc of grooved connection manual butterfly valve is dynamically balanced: fluid forces acting on both sides of the shaft are nearly equal and opposite, resulting in low, balanced operating torque for long-cycle frequent lever switching operation.

8. The sealing surface of grooved hand lever resilient butterfly valve is typically made of rubber or polymer materials, ensuring excellent low-pressure sealing performance for fire suppression piping and domestic water pipeline installation.

9. Grooved end lever wafer butterfly valve enables quick and easy field installation, especially widely applied in fire protection grooved piping systems, building fire sprinkler and fire hydrant branch pipelines.

10. Grooved wafer manual butterfly valve supports flexible, labor-saving operation with multiple actuation options: manual lever, electric, pneumatic, or hydraulic actuator, catering to diversified automatic and hand-operated grooved pipeline engineering demands.

Grooved Butterfly Valve CNC Machining Process | Jingda Valve Production

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JINGDA adopts CNC precision lathe for grooved butterfly valve body machining to ensure precise groove dimension for fire protection grooved pipe connection.

Surface Polishing & Deburring for Lever Grooved Butterfly Valve

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All QT450 cast valve bodies go through polishing process to remove burrs, improve corrosion resistance and sealing matching precision.

Hydrostatic Pressure Test & Leakage Inspection of Grooved Fire Butterfly Valve

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Every finished grooved lever butterfly valve undergoes 1.5PN hydrostatic pressure leakage test to meet CCCF fire valve standard requirements.

Complete Assembly Flow of Manual Grooved End Butterfly Valve

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Professional workers assemble disc, EPDM seat, stem and lever strictly following standard assembly procedure for long service life.

About Jingda Valve | Professional Grooved Butterfly Valve Manufacturer from China

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Botou Jingda Valve Co., Ltd. is a professional manufacturer specialized in producing high-quality valves. The company has advanced internal management standards and enjoys a high reputation in the casting industry with 15 years of production experience.

Our mainly products include butterfly valves, gate valves, ball valves, check valves, Y-type strainers, rubber joints, Pipe Fittings,etc.

With high-quality products and a complete service system, our products are exported to dozens of countries and regions, including Europe, America, Southeast Asia, the Middle East, Australia, North Africa, South Korea, Hong Kong and Taiwan, with an annual export volume of 10 million US dollars.

Company tenet: Professional technical support and perfect after-sales service!

Jingda Valve Official Certifications & Third-party Test Reports

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