Products

Product Overview

The fully welded flanged ball valve is a highly efficient, energy-saving, and eco-friendly fluid control solution. A defining engineering feature is its ability to achieve a strict “zero-leakage” shut-off state, which minimizes energy loss, enhances thermal efficiency, and guarantees the ultimate precision for heat energy metering systems.

Constructed with a fully welded valve body and carbon-reinforced PTFE (Teflon) seals, this durable pipeline valve is built for frequent actuation and long-term reliable operation, even when processing media containing impurities and harsh chemicals. The micro-ground, mirror-polished stainless steel ball ensures low-torque, smooth operation and bubble-tight sealing over years of service. This series is widely utilized as a reliable isolation and control device in long-distance pipelines, including natural gas networks, crude oil transportation, chemical processing, and thermal power supply grids. Compared to conventional flanged valves in the industry, it boasts a significantly more compact installation footprint and a visually streamlined exterior design.

Product Features & Technical Advantages

Premium Engineering Capabilities

• Maintenance-Free Operation: Requires no ongoing maintenance, routine field adjustments, or external lubrication, making it exceptionally easy to install. It thrives in high-frequency operation environments and ensures an extended service life despite fluid impurities or chemical exposure.

• Extended Stem Design (Burial & Insulation Ready): Features a customizable extended valve杆 (extended stem) that simplifies thick thermal insulation wrapping and supports deep trench installations.

• Reversible & Removable Handle: The manual operating lever/handle can be easily detached and reoriented for alternative directional alignment, optimizing space in tight piping compartments.

• Advanced Structural Integrity: The fully welded steel body eliminates heavy, unreliable, and porous iron castings, entirely avoiding hidden casting defects or brittle failure risks under high pressure.

Target Applications & Industries Served

• City Gas Transmission Networks: High-pressure gas output headers, municipal distribution mainlines, and localized fuel gas supply branch lines.

• District Heating & Commercial HVAC: Primary supply headers for large-scale district heating equipment, main thermal grids, and regional sub-stations.

• Heat Exchanger Stations: Reliable isolation and cyclic circuit opening/closing for multi-loop thermal energy transfer systems.

• Steel Mills & Metallurgical Utilities: Diverse fluid transportation networks, industrial exhaust and waste gas discharge ducts, blast furnace gas lines, and fuel oil/gas supply piping.

• Industrial Processing & Kiln Machinery: High-temperature heat treatment pipelines, process plant gas lines, and general steam/thermal utility networks.