Quick-Action Marine Hatch Cover with Counterbalance System – ISO 5778 Certified
Product Description:
Our counterbalanced quick-action weathertight hatch cover provides fast, single-handed operation for marine vessels while maintaining superior weather protection. This externally-operated steel hatch features an innovative balance hammer mechanism that enables effortless opening and closing, making it ideal for frequent-access compartments.
Key Features & Benefits:
✔ Patented Counterbalance System
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Balance hammer enables smooth one-hand operation
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Reduced operator effort (up to 60% force reduction)
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Maintains position at any opening angle
✔ Premium Weather Protection
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ISO 5778-1994 & CB/T3728-1995 compliant
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Triple-seal gasket system
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Corrosion-resistant marine steel construction
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Tested for extreme weather conditions
✔ Optimized Marine Design
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External-only operation enhances security
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Fast-action locking mechanism
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Low-profile design (height: 150-250mm)
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Custom powder coating options
Technical Specifications:
| Feature | Specification |
|---|---|
| Material | Grade 316 Marine Steel |
| Operation | External Quick-Action |
| Seal Type | Triple-layer EPDM gasket |
| Standards | ISO 5778, CB/T3728 |
| Sizes Available | 500x500mm to 800x800mm |
| Weight Capacity | 200kg dynamic / 500kg static |
Certification & Compliance:
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ISO 5778-1994 Certified
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CB/T3728-1995 Compliant
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Optional Classification Society Approvals
The description/sizes may be different with goods, please check with us when order.
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