DF-403-20
DF-403-20 FLUSH WATERTIGHT QUICK ACTING ESCAPE HATCH

MODEL NO. | A | B | ΦC | D | WT.(lbs) |
| DF-403-20 | 24 1/8" | 29 5/8" | 20" | 6" | 300 |
| NO. | Name & Specifications | Qty | Material |
| 1 | HATCH COVER ASSEMBLY | 1 | STEEL |
| 2 | HATCH GASKET | 1 | NEOPRENE |
| 3 | COAMING ASSEMBLY | 1 | STEEL |
| 4 | DOG ARM | 3 | STAINLESS |
| 5 | ROTATING BLOCK ASSEMBLY | 1 | STAINLESS |
| 6 | CENTER SHAFT | 1 | STAINLESS |
| 7 | HINGE BOX | 1 | STEEL |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
DF-403-20 FLUSH WATERTIGHT QUICK ACTING ESCAPE HATCH

MODEL NO. | A | B | ΦC | D | WT.(lbs) |
| DF-403-20 | 24 1/8" | 29 5/8" | 20" | 6" | 300 |
| NO. | Name & Specifications | Qty | Material |
| 1 | HATCH COVER ASSEMBLY | 1 | STEEL |
| 2 | HATCH GASKET | 1 | NEOPRENE |
| 3 | COAMING ASSEMBLY | 1 | STEEL |
| 4 | DOG ARM | 3 | STAINLESS |
| 5 | ROTATING BLOCK ASSEMBLY | 1 | STAINLESS |
| 6 | CENTER SHAFT | 1 | STAINLESS |
| 7 | HINGE BOX | 1 | STEEL |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
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The DF-274-5 2 DOG RAISED WATERTIGHT HATCH is a premium marine deck fitting engineered by HEE (Changshu HaiChuan Engineering & Equipment Co., Ltd.), a leading China-based manufacturer specializing in marine and offshore equipment. Designed to address the critical need for reliable water resistance in harsh marine environments, this hatch serves as a protective barrier for deck openings, preventing water ingress, dust accumulation, and corrosion that could damage internal components of vessels, offshore platforms, or port infrastructure.
