Key Features

• Reactor-Specific Design: The 10k27 mechanical seal is engineered to handle the significant shaft runout and deflection common in top-entry mixers and reactors, reducing face wear and extending seal life.

• High-Alloy Construction: Features Inconel® 718 or Hastelloy® C-276 bellows to withstand aggressive chemical reactions, high temperatures up to 400°C, and corrosive attack from acids, chlorides, and solvents.

• Gas or Liquid Lubricated: Available in dry-running gas seal configurations for toxic or ultra-pure processes, or wet-lubricated designs for standard reactor duties. Both options maintain zero or near-zero emissions.

• Large Axial Movement Capacity: The deep-convolution bellows design provides ±3 mm or more axial compensation, accommodating thermal expansion of the reactor vessel during heating and cooling cycles without overloading the seal faces.

• Reverse Pressure Capability: The 10k27 mechanical seal holds pressure from either the process side or the barrier fluid side, ensuring safe operation during startup, shutdown, and upset conditions when differential pressure reverses.

Company Advantages

Full-Spectrum International Certifications: Miaoyu Seals holds a comprehensive portfolio of global certifications, including UL , CE, TUV, ISO 9001:2015, ROHS, REACH, and WRAS. This ensures our metal face seals products meet the strictest international standards for safety, quality, and environmental compliance.

OEM-Level Quality Control: As an ISO 9001:2015certified mechanical seal manufacturer, we implement a rigorous quality management system from raw material sourcing to final assembly. Every 10k27 mechanical seals undergoes dimensional verification and pressure testing to guarantee interchangeability and zero-leakage performance in critical reactor applications.

Advanced Welded Bellows Technology: Leveraging over 30 years of expertise, Miaoyu utilizes precision edge-welding technology to produce bellows with uniform wall thickness and superior fatigue life, critical for handling the thermal cycling and shaft deflection of top-entry reactor agitators.

Global Material Compliance & Traceability: Our compliance with REACH and ROHS ensures all materials are free from restricted substances, while our WRAS approval confirms suitability for potable water systems. Full material traceability is maintained for all critical components, providing peace of mind in regulated industries.

Custom Engineering & Rapid Support: Beyond standard offerings, our technical team can customize the 10k27 mechanical seals design for extreme pressures, specific metallurgies (Hastelloy C-276, Inconel 718), or unique shaft sizes. Our global logistics network ensures fast delivery to minimize plant downtime.

Product Specifications

Workshop

This workshop is equipped with professional processing equipment and integrated with standardized material warehousing management, enabling a one-stop production process from precision machining to finished product delivery. It ensures part machining accuracy and production efficiency, meeting various high-specification manufacturing requirements.

Product Research, Development and Testing

Our Product R&D and Testing focuses on optimizing seal performance through advanced simulation and material analysis. All 10k27 mechanical seals undergo rigorous trials, including thermal cycling and pressure tests, to ensure durability, minimal leakage, and long service life in demanding industrial environments.

Industry Solutions

FAQs about 10k27 Metal Face Mechanical Seals for Reactor

Q: Can this seal handle dry running during tank emptying?

A: If configured with dry-running Carbon faces or as a gas seal, yes. Standard liquid-lubricated faces require a barrier fluid system (Plan 53/54) to survive dry running.

Q: What is the difference between a 10k27 mechanical seal and a standard pusher seal?

A: The 10k27 uses a welded metal bellows instead of a spring and dynamic O-ring. This eliminates hysteresis and sticking, making it ideal for high-temperature, high-viscosity, or fouling services where pusher seals often fail.

Q: Can the 10k27 seal be used for dry running or intermittent operation?

A: Standard configurations require liquid film lubrication. For intermittent dry running or start-up conditions, we recommend selecting a silicon carbide vs carbon face combination and confirming with our engineering team.

Q: Is the 10k27 mechanical seal interchangeable with John Crane type 27 or EagleBurgmann H7N?

A: Yes. The 10k27 follows the same envelope dimensions as industry-standard types 27, H7N, and equivalent reactor seals. We provide cross-reference sheets upon request.

Q: What buffer/barrier fluid system do you recommend for this seal?

A: For most reactor applications, API Plan 53A or 54 with water/glycol mixture is recommended. Contact us for a complete flush plan recommendation based on your operating parameters.