When to Add Vent Ports on ROTARY VALVE Housings

When to Add Vent Ports on ROTARY VALVE Housings

H1: 5 Scenarios Requiring Vent Ports in ROTARY VALVE Systems

1. Combustible Dust Handling

• Vent ports connect to explosion relief ducts (per NFPA 68).

2. High-Pressure Systems

• Prevents housing deformation during pressure spikes (≥5 bar).

3. Sanitary Applications

• Allows CIP spray ball integration for cleaning.

4. Thermal Expansion

• Releases trapped hot air in kiln feed systems.

5. Material Aeration

• Facilitates fluidization of cohesive powders (e.g., titanium dioxide).

Design Tip: Size vents using formula:

$$VentArea(c{m}^2)=\frac{MaterialFlowRate(kg/h)}{5000}$$