150–400mm Deck Mounted Open Chock | JIS F2006 Casting Steel Fairlead for Small Vessel Mooring
150–400mm Deck Mounted Open Chock | JIS F2006 Casting Steel Fairlead for Small Vessel Mooring
Product Overview
JIS F2006 deck mounted open chock is designed for guiding and positioning mooring ropes on ship deck edges.
The open structure allows flexible rope entry and reduces stress concentration, suitable for small vessels and compact deck layouts.
This product focuses on rope protection, structural durability, and stable installation, and is widely used on small ships, barges and service vessels.
Quick Specifications
Nominal Size: 150–400 mm → Defines rope compatibility
Standard: JIS F2006-1976 → Japanese marine standard
Type: SC / FC → Different structural forms
Material: Casting steel / Stainless steel → Strength and corrosion resistance
Application: Small vessel mooring → Deck guiding
Surface: Sa2.5 + epoxy coating → Corrosion protection
Installation: Welding or bolting → Flexible mounting
Certification: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate
Main Technical Parameters (Typical)
|
Nominal size |
L | L1 | B | B1 | H | h | h1 | l | l1 | R | R1 | r | r1 | r2 | r3 | r4 | t | t1 | S |
mass kg |
Nominal dia. of Applicable rope (Reference) |
||
|
Wire rope (6×24) |
Manila rope |
Nylon rope |
|||||||||||||||||||||
| 150 | 150 | 280 | 80 | 80 | 90 | 28 | 8 | 60 | 45 | 40 | 160 | 35 | 10 | 100 | 32 | 40 | 12 | 20 | 6 | 10.7 | 12 | 32 | 20 |
| 200 | 200 | 380 | 110 | 110 | 116 | 35 | 8 | 84 | 58 | 55 | 200 | 46 | 12 | 136 | 44 | 55 | 16 | 24 | 6 | 18.1 | 14 | 38 | 24 |
| 250 | 250 | 460 | 130 | 130 | 136 | 42 | 10 | 114 | 68 | 65 | 250 | 54 | 14 | 160 | 52 | 65 | 18 | 26 | 6 | 29.2 | 16 | 42 | 28 |
| 300 | 300 | 540 | 150 | 150 | 160 | 49 | 10 | 140 | 80 | 75 | 300 | 62 | 18 | 180 | 60 | 75 | 20 | 28 | 8 | 44.0 | 18 | 50 | 32 |
| 350 | 350 | 620 | 170 | 170 | 180 | 55 | 12 | 170 | 90 | 85 | 350 | 70 | 20 | 205 | 70 | 85 | 22 | 30 | 8 | 64.0 | 20 | 55 | 36 |
| 400 | 400 | 700 | 200 | 200 | 200 | 63 | 12 | 200 | 100 | 100 | 400 | 80 | 20 | 230 | 83 | 100 | 25 | 33 | 8 | 98.0 | 22.4 | 60 | 42 |
Selection Guide
Step 1 – Select size → Based on rope diameter
Step 2 – Confirm rope type → Wire / fiber
Step 3 – Confirm installation → Welded or bolted
Step 4 – Confirm material → Carbon steel or stainless
Step 5 – Confirm certification requirement
Structure
Open Chock Body | Rope Contact Surface | Base Plate
Custom Attributes
Open structure → Flexible rope entry
Smooth surface → Protects rope from damage
Casting steel → High structural strength
Optional stainless steel → Corrosion resistance
Flexible installation → Welding or bolting
Inquiry Guide
Please provide rope diameter, vessel type, installation method, material requirement and certification.
How It Works
Rope passes through chock opening and is guided along defined path, reducing wear and controlling rope position.
Applications
Small vessels | Barges | Tugboats | Deck edge guiding
Certifications & Advantages
Certification: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate
Designed according to JIS F2006 standard ensuring dimensional accuracy and rope protection.
Drawing & Photos
General arrangement drawings and product photos available.
Ordering
Customization: Casting method (lost foam / sand casting), material and installation type available.
FAQ
Q1: What is open chock used for?
A: For guiding and protecting mooring ropes.
Q2: Can it be bolted?
A: Yes, optional bolted base is available.
Q3: What material is recommended?
A: Carbon steel for general use, stainless steel for corrosion resistance.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



