China Steel Hatch Cover Type A: Single-Side Opened/Closed Weathertight Hatch Cover with Butterfly Clip
Our China-made Steel Hatch Cover Type A is a premium-quality, small-size hatch cover designed to meet the rigorous demands of various marine vessels. Compliant with the CB/T3728-1995 standard and ISO 5778-1979 international regulations, this hatch cover is available in multiple types (A, B, C, D, E, F) to cater to diverse shipbuilding requirements.
Type A features a single-side opened/closed mechanism, ensuring easy access and secure closure. It is equipped with a butterfly clip for added stability and weathertightness, making it ideal for use in harsh marine environments. The counterweight can be customized according to the size or specific customer requests, ensuring optimal balance and functionality.
Main Materials:
- Cover: High-quality steel
- Coaming: Durable steel
- Butterfly Clip: Steel, stainless steel, copper, or galvanized steel for enhanced corrosion resistance
Main Size List (mm):
| Nominal Size (L x B) | Doorway Size (L1 x B1 x R) | Cover Size (L2 x B2) | Cover Thickness (t) | Coaming Height (H) | Butterfly Clip Diameter (Dia) | Quantity (Qty) | Weight (KG) |
|---|---|---|---|---|---|---|---|
| 450*630 | 420600100 | 508*688 | 4 | 4.6 | M16 | 4 | 24.4 |
| 512*692 | – | – | 6 | 6.8 | – | – | 31.1 |
| 516*696 | – | – | 8 | 8.11 | – | – | 37.7 |
| 530*530 | 500500100 | 508*588 | 4 | 4.6 | – | – | 24.2 |
| 592*592 | – | – | 6 | 6.8 | – | – | 30.8 |
| 596*596 | – | – | 8 | 8.11 | – | – | 37.4 |
| 630*630 | 600600100 | 688*688 | 4 | 4.6 | M20 | – | 31.0 |
| 692*692 | – | – | 6 | 6.8 | – | – | 39.8 |
| 696*696 | – | – | 8 | 8.11 | – | – | 48.5 |
| 630*830 | 600800100 | 688*888 | 4 | 4.6 | – | – | 37.4 |
| 692*892 | – | – | 6 | 6.8 | – | – | 48.5 |
| 696*896 | – | – | 8 | 8.11 | – | – | 59.7 |
| 830*830 | 800800100 | 888*888 | 4 | 4.6 | 6 | – | 47.1 |
| 892*892 | – | – | 6 | 6.8 | – | – | 61.2 |
| 896*896 | – | – | 8 | 8.11 | – | – | 75.3 |
| 830*1230 | 8001200100 | 888*1288 | 4 | 4.6 | 8 | – | 65.2 |
| 892*1292 | – | – | 6 | 6.8 | – | – | 85.3 |
| 896*1296 | – | – | 8 | 8.11 | 800 | – | 175.2 (with counterweight) |
| 1030*1030 | 10001000100 | 1092*1092 | 6 | 6.8 | 6 | – | 146.6 (with counterweight) |
| 1096*1096 | – | – | 8 | 8.11 | – | – | 190.9 (with counterweight) |
| 1330*1330 | 13001300100 | 1396*1369 | 8 | 8.11 | 4 | – | 331.0 (with counterweight) |
China Steel Hatch Cover Type B: Both-Side Opened/Closed Weathertight Hatch Cover with Dog Clip
Our China Steel Hatch Cover Type B offers a versatile solution for small-size hatch covers on various ships. Like Type A, it complies with CB/T3728-1995 and ISO 5778-1979 standards and is available in multiple types. Type B features a both-side opened/closed mechanism, providing greater flexibility and ease of use. It is secured with a dog clip for enhanced weathertightness and durability. The counterweight can also be customized based on size or customer preferences.
Main Materials:
- Cover: High-quality steel
- Coaming: Durable steel
- Dog Clip: Steel, stainless steel, copper, or galvanized steel for superior corrosion resistance
Main Size List (mm):
| Nominal Size (L x B) | Doorway Size (L1 x B1 x R) | Cover Size (L2 x B2) | Cover Thickness (t) | Coaming Height (H) | Dog Clip Diameter (Dia) | Quantity (Qty) | Weight (KG) |
|---|---|---|---|---|---|---|---|
| 450*630 | 420600100 | 508*688 | 4 | 4.6 | – | 4 | 28.7 |
| 512*692 | – | – | 6 | 6.8 | – | – | 35.4 |
| 516*696 | – | – | 8 | 8.11 | – | – | 42.0 |
| 530*530 | 500500100 | 508*588 | 4 | 4.6 | – | – | 28.5 |
| 592*592 | – | – | 6 | 6.8 | – | – | 35.1 |
| 596*596 | – | – | 8 | 8.11 | – | – | 41.7 |
| 630*630 | 600600100 | 688*688 | 4 | 4.6 | – | – | 33.5 |
| 692*692 | – | – | 6 | 6.8 | – | – | 42.4 |
| 696*696 | – | – | 8 | 8.11 | – | – | 51.2 |
| 630*830 | 600800100 | 688*888 | 4 | 4.6 | – | – | 39.7 |
| 692*892 | – | – | 6 | 6.8 | – | – | 51.2 |
| 696*896 | – | – | 8 | 8.11 | – | – | 62.3 |
| 830*830 | 800800100 | 888*888 | 4 | 4.6 | 6 | – | 51.2 |
| 892*892 | – | – | 6 | 6.8 | – | – | 65.3 |
| 896*896 | – | – | 8 | 8.11 | – | – | 79.4 |
| 830*1230 | 8001200100 | 888*1288 | 4 | 4.6 | 8 | – | 71.4 |
| 892*1292 | – | – | 6 | 6.8 | – | – | 91.5 |
Frequently Asked Questions (FAQs)
Q1: What are the key differences between Type A and Type B steel hatch covers?
A1: Type A features a single-side opened/closed mechanism with a butterfly clip, while Type B offers a both-side opened/closed mechanism secured with a dog clip. Both types are designed for weathertightness and durability but cater to different operational needs.
Q2: Can I customize the size and materials of the steel hatch covers?
A2: Yes, we offer customization options for both size and materials. Our steel hatch covers can be tailored to meet specific customer requirements, ensuring optimal performance and compatibility with various ship designs.
Q3: Are the steel hatch covers corrosion-resistant?
A3: Absolutely. Our steel hatch covers are made from high-quality steel and can be equipped with stainless steel, copper, or galvanized steel components for enhanced corrosion resistance, ensuring long-lasting durability in harsh marine environments.
Q4: How do I determine the appropriate counterweight for my steel hatch cover?
A4: The counterweight can be customized based on the size of the hatch cover or specific customer requests. Our team can provide expert guidance to ensure the optimal balance and functionality of your hatch cover.
Attention please: The description was copied from different cooperating manufacturers. The description may be different with the goods, please check with us when order.
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