Rising Stem Grooved Gate Valve

This valve is manufactured in China and fully compliant with Chinese national fire safety standards. It has passed rigorous quality and safety testing, including CCCF (China Compulsory Certification for Fire Products), ensuring reliable performance and long service life. While it is certified for the Chinese domestic market, it meets international design and quality specifications and can be used in many projects worldwide where local certification is not mandatory.

Components and Materials List of Rising Stem Grooved Gate Valve

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Dimension & Technical Specification of OS&Y Grooved Gate Valve

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Core Advantages of Rising Stem Grooved Resilient Seated Gate Valve

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Rising Stem Grooved Resilient Seated Gate Valve (Z81X-16Q)

• Visible Opening Position & Safe Operation--The Z81X-16Q rising stem grooved gate valve adopts an outside screw & yoke (OS&Y) structure. The exposed rising stem directly displays the valve’s open/closed status visually without extra detection, facilitating daily inspection. It is ideal for fire protection, water supply and industrial pipelines requiring clear valve state identification.

• Grooved End Design for Quick Installation--Featuring integrated grooved connections, this resilient seated gate valve enables fast bolted assembly without welding. The compact valve body shortens on-site construction time and fits neatly within pipe galleries, ceiling pipelines and fire sprinkler grooved piping networks.

• Full Bore Straight Flow, Low Flow Resistance--Equipped with a full through bore channel, the rising stem grooved gate valve removes flow dead zones and sediment accumulation. It ensures smooth medium circulation with minimum pressure loss, suitable for fire water, domestic clean water and HVAC circulating water long-term operation.

• Bidirectional Zero-Leakage Resilient Sealing--Fitted with high-performance EPDM rubber liner, this grooved gate valve delivers reliable bidirectional tight shut-off under rated pressure. It maintains stable sealing performance for building fire systems, municipal water supply projects and general industrial water pipeline applications.

Grooved End Rising Stem Gate Valve CNC Machining Process | Jingda Valve Production

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

Surface Polishing & Deburring for Grooved End Rising Stem Gate 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 End Rising Stem Gate 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 Grooved End Rising Stem Gate 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 Industrial 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.

We own a modern factory, sophisticated manufacturing, processing and testing equipment, as well as strong technical strength. Our factory employs skilled technicians and operators, with a total staff of 100 people. Our products have passed ISO 9001:2015 and CE certifications.

Our main 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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