

Expansion Trunks & Domes
Expansion Dome
Expansion Dome — genuine Sinooutput expansion trunks & domes that fit Sinooutput hatches exactly. Expansion trunks and domes, dished heads, corner plates and engineered specialty hatches.
- Models
- UMC-450-3624-SG · UMC-450-4224-SG
- Part no.
- 03800-141?
- Material
- Steel (ASTM A36) + 304 Stainless Steel · Painted Primer Grey
- Category
- Expansion Trunks & Domes
Overview
Expansion Dome (UMC-450) are genuine Sinooutput expansion trunks & domes made to fit Sinooutput hatches and doors exactly. Expansion trunks and domes, dished heads, corner plates and engineered specialty hatches. Contact sales for profiles, materials and volume pricing.
Specifications
| Model Number | Part Number | Description | Weight Total Lbs (Kgs.) |
|---|---|---|---|
| UMC-450-3624-SG | 03800-141? | 36×24 Expansion Dome | 828 (376) |
| UMC-450-4224-SG | 03800-141? | 42×24 Expansion Dome | 1012 (459) |
Hardware
- Stainless steel upper coaming ring at seal area for corrosion resistance.
- Hand wheel operated sealing mechanism.
- Large swivel arm for easy movement of hatch cover.
- Neoprene Gasket.
Features
- Optional Ullage available upon request welded to hatch cover.
- Other gasket materials available.
Application
Expansion domes are typically found on tank barges. They are commonly used to access cargo compartments for venting, filling, and inspecting.
Material
- Steel (ASTM A36) + 304 Stainless Steel
- Painted Primer Grey
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Get a free quote
Tell us the models, quantities and delivery port — our sales engineers reply within 48 hours with pricing, drawings and certificates.
- Phone+86 135 6478 0885
- WhatsApp / WeChat+86 135 6478 0885
- AddressNO.258 West Songxing Rd, Shanghai, China
