Zigong Industrial Pump – ZBG Chemical Pump Series
Category:Chemical Pump Seal Series
1. Modular double-end mechanical seal.
2. Non-equilibrium type
Detailed introduction
The ZBG series mechanical seals are custom-designed specifically for the desulfurization markets both domestically and internationally. They feature technology that rivals that of international brands and are manufactured locally in Zigong, Sichuan (e.g., as配套 components for Zigong industrial pumps). With their excellent cost-performance ratio, these seals are well-suited to harsh operating conditions across a wide range of industries, serving as a reliable alternative to imported seals.
✅ Core Product Advantages
▶ Wear and corrosion resistance: The sealing ring is made of pressureless-sintered silicon carbide (SSIC), with a substrate of duplex stainless steels such as 316L and 2205, offering excellent resistance to erosion and corrosion from gypsum slurry and chloride ions.
▶ High reliability and impact resistance: Designed specifically for slurry pump operating conditions, it can withstand particle impacts and pressure fluctuations, significantly improving mean time between failures (MTBF).
▶ Long service life with low leakage: Precision end-face grinding plus a compensation mechanism ensure extremely low leakage, reducing the frequency of maintenance downtime.
✅ Structural features
▶ Modular: Fully pre-assembled for easy installation, reducing on-site adjustment errors and enhancing sealing consistency.
▶ External spring isolation: The spring assembly is located on the outside of the medium, isolating it from corrosive slurries, preventing blockage and corrosion, and extending the component’s service life.
▶ Static ring compensation: Axial floating compensation, automatically adapting to displacement and thermal expansion to maintain face-to-face contact;
▶ Compact internal design: Designed to fit the inner diameters of agitator and pump shafts, featuring a compact structure and compatibility with standard flange interfaces.
✅ Applicable scenarios
▶ Main application scenarios: Flue gas desulfurization systems for coal-fired power plants (including side-mounted agitators for absorption towers, slurry circulation pumps, gypsum pumps, etc., designed to handle media with high solid content);
▶ Expansion of Application Areas: Chemical reactors (strong acid and strong alkali agitators), pharmaceutical and biotechnology non-sterile-grade systems (meeting CIP cleaning requirements to prevent cross-contamination), and high-fiber/high-viscosity medium transfer pumps and mixing equipment for papermaking and wastewater treatment.
✅ Selection and Application Recommendations
▶ Key selection criteria: Match the pump model, shaft diameter, medium characteristics (solids content, pH level), and operating parameters (pressure, temperature).
▶ Installation tips: Ensure the mounting surface is clean and properly aligned, and avoid forcing installation to prevent damage to the sealing surface.
▶ Maintenance and upkeep: Regularly inspect operating conditions and leakage levels, and promptly replace worn parts.
🔥 The cost-effective choice for desulfurization sealing
Focusing on “corrosion resistance, ease of installation, and long service life,” localized production helps reduce costs and enables wide application in industries such as power, chemical processing, and environmental protection. It’s compatible with critical rotating equipment and offers a cost-performance ratio that far surpasses similar imported products!
Applicable host
Product Features
Use parameters
1. Medium: Medium with high impurity content, such as gypsum and lime slurry, with a solid content ≤ 30%.
2. Temperature: ≤120℃
3. Pressure: ≤1.6 MPa
4. Linear velocity: ≤15 m/s
Keywords：Zigong Industrial Pump – ZBG Chemical Pump Series
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Plan 23
Core positioning: A single-face seal self-flushing solution specifically designed for hot-water pumps. The medium is guided out of the self-sealing cavity, cooled, and then returned to the sealing face, achieving integrated self-circulation for flushing and cooling without the need for additional medium replenishment.
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Plan 53A
Reason for adoption: Isolate the process fluid. Zero discharge of the process fluid.
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Plan 53B
Reason for adoption: Isolation of process liquids; zero discharge of process fluids; pressure exceeding the 53A scheme.
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Plan 53C
Reason for adoption: Isolate the process fluid. Achieve zero discharge of the process fluid. Pressure exceeds the 53A design specification. Dynamically monitor system pressure.
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