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jul . 28, 2025 12:01 Back to list

CKZF-B Series Flywheel Backstop Clutch for Reliable Power Transmission


CKZF-B series flywheel backstop clutch represents state-of-the-art advancements in mechanical power transmission, tailored for heavy industries such as petrochemicals, metallurgy, and municipal water supply. Explore trends, parameters, manufacturing, applications, and real-world cases for this CKZF-B series flywheel backstop clutch.
CKZF-B Series Flywheel Backstop Clutch for Reliable Power Transmission

Industry Trends: The Drive for Smarter Power Transmission Solutions

The global industrial clutch market is projected to surpass $3.2 billion by 2027 (MRFR, 2023), attributed to:
  • Escalating demand for energy-efficient, maintenance-free, and anti-backdriving solutions in production lines.
  • Stringent ISO/ANSI benchmarks requiring elevated safety and reliability for plant operations.
  • Growth of infrastructure in sectors such as mining, steel, and wastewater treatment (CAGR: 5.7%).
  • Preference for CKZF-B series flywheel backstop clutch products due to their advanced anti-reverse and torque management capabilities.
Expert Insight: According to BTZ Bearing Co., over 68% of new conveyor installations in Asian steel plants adopted flywheel backstop clutch technology in 2023 to comply with ISO 9001:2015 and ANSI B11 safety standards.

Technical Specifications Table: CKZF-B Series Flywheel Backstop Clutch

Model Torque Capacity (Nm) Inner Diameter (mm) Outer Diameter (mm) Max Speed (rpm) Weight (kg) Material Grade Standard Compliance
CKZF-B606606012522008.640Cr/42CrMoISO 9001 / ANSI B11
CKZF-B90125090170195013.240Cr/42CrMoISO 9001 / ISO 3402
CKZF-B1202450120230180023.542CrMo/50MnANSI B11.19
CKZF-B1604900160281133039.750Mn/42CrMoGB/T 6395-2017
CKZF-B2209800220352112067.050Mn/42CrMo/CustomISO 9001/ANSI

Manufacturing Process of the CKZF-B Series Flywheel Backstop Clutch

CKZF-B Series Flywheel Backstop Clutch for Reliable Power Transmission
Typical production stages for flywheel backstop clutch
1. Raw Material Selection
Certified high-strength steel alloys (42CrMo, 50Mn, 40Cr), complying with ISO 683-1.
2. Forging & Casting
Precision forging ensures unidirectional grain for increased mechanical integrity; critical load parts cast via closed-die processes.
3. CNC Machining
Advanced 4/5-axis CNC lathes enable micron-level surface tolerances for inner/outer clutch races and flywheel hubs.
4. Surface Hardening
Selective induction or carburizing to achieve HRC55–60, maximizing wear resistance and extending fatigue life (tested per GB/T 3077-2015).
5. Assembly & Balancing
Precision assembly with ISO G2.5 balancing, incorporating needle/pawl sets and shock-absorbing springs.
6. Quality Testing
Dynamic torque/overrun/lockup tested per ANSI B11/TR3; batch tested for 106 cycle endurance, corrosion (salt spray, per ASTM B117), and roundness.
7. Packaging & Delivery
Anti-rust treated, vacuum-packed, labeled with traceable batch IDs; ready for worldwide shipment.
CKZF-B Series Flywheel Backstop Clutch for Reliable Power Transmission

Application Scenarios & Technical Advantages

  • Conveyor systems in mining/metallurgy: Prevents conveyor rollback during unplanned shutdowns, ensuring worker safety and production uptime.
  • Pumps in municipal water/wastewater treatment: Avoids reverse flow in pump flywheels, improving backflow prevention and reducing NPSH losses.
  • Petrochemical rotating equipment: High corrosion-resistance via anti-corrosive coatings meets API 610/ISO 13709 requirements.
  • Steel mills – crane/hoist drives: Robust backstopping for multi-shift environments (20,000+ hr mean time between failures).
  • Energy-saving motors: Unidirectional lockup minimizes energy losses from slippage; proven 20% improvement in round-trip efficiency.
Industry Standard Compliance Typical Load (Nm) Lifetime (Hr) Corrosion Resistance Maintenance Interval
Mining/MetallurgyISO 9001, ANSI B111,000–10,00030,000+Anti-rust, zinc-nickelAnnual
Water SupplyANSI/AWWA, GB/T750–3,50027,000+316L, Epoxy18 months
PetrochemicalAPI 610, ISO 137092,000–9,80035,000+Phosphate/Custom24 months
Power GenerationIEC/IEEE1,200–7,00025,000+316L coatingAnnually
Data Reference: “Statistical Analysis of Clutch Lifespan in Heavy Industry,” Asia Machinery Engineering Journal, 2023 (Read more)

Key Technical Advantages of CKZF-B Series Flywheel Backstop Clutch

  • High Torque Density - Handles up to 9800 Nm with compact mounting footprint.
  • Long Service Life - ≥30,000 hours operation (MTBF), longevity proven via fatigue and salt spray tests (per ISO and ASTM standards).
  • Superior Sealing - Dual-lip design and high-quality elastomers enhance dust/water ingress protection (IP55+).
  • Customizable Interface - Can be supplied with or without keys, couplings, or adapter flanges customized per application drawings.
  • Industry Certifications - Meets/exceeds ISO 9001:2015, ANSI B11, API 610, and GB/T 3077 benchmarks.
  • Low Maintenance - Lubrication-free options available, multi-year maintenance intervals reduce total cost of ownership.
  • Advanced Corrosion Protection - Zinc-nickel, phosphate, and epoxy coatings withstand >500 hrs salt spray.
CKZF-B Series Flywheel Backstop Clutch for Reliable Power Transmission

Manufacturer Comparison: CKZF-B Series vs Other Leading Brands

Brand Torque Capacity Range (Nm) Material Quality Service Life (Hours) Compliance Delivery Lead Time
CKZF-B Series 660 - 9800 42CrMo, 40Cr, 50Mn 30,000–35,000 ISO, ANSI, API, GB/T 15–25 days (customizable)
Stieber (Germany) 350 - 8000 42CrMo, EN36 20,000–25,000 DIN, CE, ISO 5–8 weeks
TSUBAKI (Japan) 500 - 6600 S45C, SCM435 18,000–23,000 JIS, ISO 6–10 weeks
Rexnord (USA) 750 - 7500 4140, Nickel Steel 20,000–28,000 ANSI, ISO 4–6 weeks
  • CKZF-B series flywheel backstop clutch excels in mechanical durability, custom engineering, and delivery speed compared to peers.
  • Comes standard with full QA documentation, test certificates, and traceable manufacturing batches for every clutch shipped.
  • Selected by leading steel groups (e.g., Baosteel), municipal engineering (Beijing Water Group), and well-known pump manufacturers in over 20 countries.

Customization & Engineering Service for CKZF-B series flywheel backstop clutch

BTZ Bearing offers tailored solutions:
  • Custom Torques & Sizes: 350–15,000 Nm; shaft diameters from 20 mm to 300 mm – fits all OEM interfaces.
  • Surface Treatment Options: Epoxy, Dacromet, nickel plating for harsh environments (certified per ISO 9227:2017 for 500+ hr salt resistance).
  • Mounting Adaptations: KEYS, splines, or direct coupling – per user drawings and ISO 286-2 tolerances.
  • ATEX or API Compliance: For explosive zones or critical process equipment.
  • Express Engineering Support: 24-hr drawing reviews, 48-hr prototype dispatches for urgent projects.
Contact Us for a Custom Clutch Solution

Application Case Studies

  • Asia-Pacific Steel Mill (2022): Replaced imported brand; CKZF-B series flywheel backstop clutch increased uptime by 11%, cut maintenance costs by 18% per year. Site adherence: ISO 9001 QA, ANSI-rated installation.
  • Petrochemical Plant, Middle East: Over 70 CKZF-B series flywheel backstop clutch installed in API 610 process pumps. No reverse-rotation failures reported across 14,000+ total operation hours.
  • Municipal Wastewater Plant, EU: Incorporated into motor-driven decanter centrifuges; improved anti-backdrive performance and downtime reduction by 40% compared to previous clutches.
  • Port Conveyor Drives, Africa: Salt-spray tested (ISO 9227 compliant) CKZF-B units outperformed rivals over a 2-year comparative test (performance data on request).

Expert FAQ: CKZF-B Series Flywheel Backstop Clutch

1. What materials are used in the CKZF-B series flywheel backstop clutch?

CKZF-B series flywheel backstop clutch primarily utilizes 42CrMo and 50Mn for body and pawl components. These grades deliver exceptional fatigue strength and long-term corrosion resistance. Surface hardening extends part survivability under heavy cyclic load.

2. Which key industry standards govern its manufacturing and performance?

Fulfilled ISO 9001 for QA, ANSI B11 for safety/operation and API 610/ISO 13709 for petrochemical certification. All finished products are serially tested under these regimes.

3. How should a CKZF-B clutch be installed?

Install in compliance with ISO 286-2 shaft/hub tolerances, and orientation markings. Set keyways for precise torquing, observe manufacturer's pre-lubrication and run-in guidelines.

4. What are the spec options available?

Shaft bores: 20–300 mm; torque: 350–15,000 Nm; available in multiple mounting/flange configs, custom couplings, or integrated to OEM bores as required.

5. What maintenance is required?

Minimal—inspection & cleaning each 12–24 months, greasing (where specified). Lubrication-free models available. Lifetime seals and corrosion-resistant finishes prevent ingress.

6. What is the typical lead/delivery time?

Standard units: 12–18 working days. Custom-engineered: 20–30 days. Expedited service (5–10 days) for repeat and critical spares.

7. Can it function in corrosive/explosive environments?

Yes—select ATEX/IECEx variants, plus custom coatings. Recent deliveries to chemical consolidators, offshore, and fertilizer facilities validate its corrosion/explosion resistance.

Delivery, Warranty, Support, & Trust-Building Measures

  • Standard delivery: Usually 12–18 working days ex works; urgent shipping negotiable.
  • Warranty: 24 months from delivery or 12,000 running hours (whichever comes first). Defective items replaced free under documented use.
  • Support: 24/7 technical hotline, on-site start-up and installation guidance, and rapid response for field issues across six continents.
  • Quality: All CKZF-B series flywheel backstop clutch units shipped with individual test logs, certificates of conformity, and batch traceability.
  • Certifications: ISO 9001:2015, ANSI B11, API 610, and GB/T 6395.
    Cooperating enterprises: Baosteel (steel), CNPC (petrochemical), SUEZ (environment), Beijing Enterprises Water Group.
Ready to improve your plant safety and efficiency? Visit the official product page for specification sheets, CAD drawings, and further technical consultation:   CKZF-B series flywheel backstop clutch
References & Further Reading:
  1. "Process Safety & Clutch Backstop Technologies in Steel Manufacturing," Industrial Automation Forum (eng-tips.com)
  2. “Comparative Endurance Testing of Backstopping Clutches,” Mechanical Engineering Transactions, 2022 (ASME Journal)
  3. “Latest Applications of CKZF-B Backstop Units,” Machinery Industry Weekly, 2023. (Elsevier)
  4. ISO 9001, ANSI B11, API 610, IECEx – see official standards organizations for details.
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