Products
Handle-Operated Fully Welded Ball Valve | PN10-40
Premium handle-operated fully welded ball valve engineered for long-term stability in city gas, district heating, and petrochemical pipelines. This high-performance welded valve supports underground direct burial, eliminating costly valve pits while delivering a superior operational lifespan compared to cast steel alternatives.
Technical Specifications
| Model | VD-BV-Q61F |
|---|---|
| Connection Type | Welded, Butt-Welded (BW) |
| Nominal Pressure | PN1.0–4.0 MPa |
| Size Range | DN10–DN40mm |
| Body Material | WCB, A105, F11, F22, F304, F316, CF8, CF8M, WCC |
| Working Temperature | -29°C ≤ t ≤ 150°C |
| Applicable Media | Water, oil, natural gas, acid and alkali media |
| Actuation Method | Handle / Lever-Operated |
| Design Specification | API 6D, ASME B16.34 |
| Pressure-Temperature Ratings | ASME B16.34, API 608 |
| Face-to-Face Dimensions | ASME B16.10, GB/T 12221 |
| Butt-Welding End Form | ASME B16.25, ASME B31.4 / B31.8 |
| Inspection and Testing | API 598, API 6D, GB/T 13927 |
| Fire-Safe Testing | API 607, API 6FA |
Discription
Product Overview
The handle-operated fully welded ball valve is an industry-leading fluid control solution widely utilized across various industrial and municipal pipeline networks. Engineered for unmatched durability and high-performance stability, this fully welded valve far surpasses conventional cast steel ball valves in both reliability and operational lifespan.
Designed for low maintenance and long-term dependable service, this high-performance welded ball valve is a critical component for key infrastructure. It is widely applied in city gas networks, district heating systems, petrochemical industries, shipbuilding, steel mills, gas pressure-regulating stations, and power plants.
A major technical advantage of this fully welded ball valve is its compatibility with direct burial underground systems. By eliminating the need to construct large, expensive concrete valve pits, it drastically reduces engineering and construction costs. Furthermore, underground direct burial prevents accidental injuries to field operators during valve actuation, ensuring maximum safety while delivering long-term, reliable pipeline operation. Compared to same-specification alternatives in the valve market, it features a more compact body profile and a visually streamlined design.
Product Features
City Gas Pipelines & Networks
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Main gas transmission pipelines, city gas output headers, and local distribution branch lines.
District Heating Systems & HVAC
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Output headers for large-scale industrial heating equipment, main thermal supply pipelines, and regional branch lines.
Heat Exchangers & Thermal Stations
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Pipeline isolation, thermal circuit opening and closing, and efficient heat transfer loop controls.
Steel Mills & Metallurgical Plants
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Diverse fluid transportation pipelines, industrial exhaust and waste gas discharge ducts, coal gas/thermal power supply lines, and fuel oil/gas supply networks.
Industrial Machinery & Equipment
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High-temperature heat treatment pipelines, industrial utility gas networks, and steam/thermal process piping systems.
Product Categories
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