Weather Proof Door Hinges for Pharma Application

Air Handling Unit (AHU) door hinges are an important hardware component used on access doors and panels of AHUs. Here's a clear overview to help you select or specify the right type: 🔧 Common Types of AHU Door Hinges Butt Hinges Most commonly used Suitable for standard AHU access doors Easy to install and replace Concealed / Hidden Hinges Clean look, no external projection Better hygiene (used in pharma, clean rooms) Slightly higher cost Lift-off Hinges Door can be removed easily for maintenance Useful for frequent servicing Continuous / Piano Hinges Runs along full door height Better load distribution for large or heavy doors Improves airtightness