DNV Type approval Certificate

DNV Type Approval Certificate Certificate No.: TAP00002H7

Hangzhou Shenshi Energy Conservation Technology Co., Ltd. holds the Type Approval Certificate issued by DNV, confirming that our Printed Circuit Heat Exchanger (PCHE) with type designation High-pressure vaporizer SS-9000WT-B-P complies with:

• DNV Rules for Classification – Ships Pt.4 Ch.7 Pressure equipment
• DNV Rules for Classification – Ships Pt.5 Ch.7 Liquefied gas tankers

Products approved under this certificate are accepted for installation on all vessels classed by DNV.

Key Technical Specifications:

• Temperature range: Both sides: -196°C to +85°C
• Design pressure: Cold side: 380 bar / Hot side: 10 bar
• Operating media: Cold side: LNG / Hot side: Glycol water
• Issue Date: July 04, 2022
• Valid Until: July 03, 2027 (Note: As of January 2026, this certification remains valid)

This internationally recognized DNV Type Approval demonstrates our expertise in delivering high-performance, reliable PCHE solutions suitable for demanding maritime and liquefied gas applications worldwide.