Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
| Materials | Casting C-Mn Steel, Casting Stainless Steel, also can supply special steel for icebreaker |
| Supply Ability | Customized production based on project requirements |
| Surface treatment | sandblasting to S2.5 + one layer of epoxy shop primer, Polished Stainless Steel, customized surface treatment available. |
| Classification Certificates | CCS, NK, BV, ABS, DNV-GL, LR, KR, RINA, IRS |
| Packaging Details | Export standard pallet or customized packing |
| Technical Standard | CB 34-76 |
| Payment Terms | T/T, L/C |
| Type | Type A |
| Delivery Time | Based on project requirements |
| Weight | 16.4-171kg |
| Model Number | Standard or Customized |
| Place of Origin | China |
| Brand Name | Zhongyuan Marine Equipmen |
| Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate |
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Product Specification
| Materials | Casting C-Mn Steel, Casting Stainless Steel, also can supply special steel for icebreaker | Supply Ability | Customized production based on project requirements |
| Surface treatment | sandblasting to S2.5 + one layer of epoxy shop primer, Polished Stainless Steel, customized surface treatment available. | Classification Certificates | CCS, NK, BV, ABS, DNV-GL, LR, KR, RINA, IRS |
| Packaging Details | Export standard pallet or customized packing | Technical Standard | CB 34-76 |
| Payment Terms | T/T, L/C | Type | Type A |
| Delivery Time | Based on project requirements | Weight | 16.4-171kg |
| Model Number | Standard or Customized | Place of Origin | China |
| Brand Name | Zhongyuan Marine Equipmen | Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate |
| High Light | Welded Casting Steel Mooring Chock ，CB 34 Type A Mooring Chock | ||
Marine Bulwark-Mounted Cast Steel Mooring Chock | CB 34-76 Type A with Smooth Rope-Contact Radius
Product Overview
Marine bulwark mooring chock is designed to guide and control mooring ropes along a fixed direction on ship deck or bulwark.
High-quality casting steel construction ensures structural strength and long-term durability under repeated mooring operations.
Strict casting quality control eliminates defects such as cracks, shrinkage and inclusions, ensuring reliable performance.
All rope contact edges are designed with smooth radius (R) profiles to minimize abrasion and effectively protect mooring lines.
Quick Specifications
Main Technical Parameters
| Cable Dia | Flax Girth | Nylon Dia | L | L1 | L2 | B | B1 | B2 | t | b1 | b2 | b3 | R | R1 | Opening L3 | B3 | Weight |
| 18.5 | 160 | 35 | 200 | 300 | 340 | 130 | 230 | 270 | 18 | 18 | 110 | 9 | 58 | 20 | 310 | 240 | 16.4 |
| 22.5 | 200 | 45 | 260 | 400 | 450 | 170 | 310 | 360 | 22 | 25 | 160 | 10 | 84 | 30 | 415 | 325 | 40.4 |
| 28.0 | 230 | 55 | 320 | 465 | 515 | 200 | 345 | 395 | 25 | 28 | 175 | 12 | 95 | 30 | 480 | 360 | 57.0 |
| 33.5 | 270 | 70 | 400 | 572 | 632 | 260 | 430 | 490 | 30 | 32 | 200 | 15 | 108 | 35 | 592 | 450 | 95.6 |
| 43.5 | 325 | 90 | 480 | 685 | 755 | 310 | 525 | 595 | 35 | 35 | 240 | 18 | 126 | 45 | 705 | 545 | 171.0 |
Selection Guide
Step 1 – Select rope diameter → Match cable size
Step 2 – Confirm rope type → Steel / fiber
Step 3 – Confirm installation → Bulwark or deck edge
Step 4 – Confirm opening size → Structure matching
Step 5 – Confirm certification requirement
Structure
Casting body | Rounded edge opening (R design) | Smooth rope contact surface | Reinforced structure
Custom Attributes
Inquiry Guide
Provide rope diameter, installation location, opening size, and certification requirements.
How It Works
Rope passes through chock opening → guided direction → R edge reduces stress concentration → protects rope and ensures smooth operation.
Applications
Ship bulwark | Deck edge | Mooring rope guidance
Certifications & Advantages
Certification: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate
Drawing & Photos
General arrangement drawing and product photos
Ordering
Specify: Type A | Size | Material | Surface treatment | Certification
FAQ
Q1: Why use rounded edge chock?
A: To reduce rope wear and prevent damage.
Q2: What material is used?
A: Casting steel or stainless steel.
Q3: How to select size?
A: Based on rope diameter and opening dimensions.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
1990
Total Annual:
10,000,000-15,000,000
Employee Number:
>300
Ecer Certification：
Verified Supplier
Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c... Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c...
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