DataSheet EFF201909
Table Of Contents
- Table of Contents
- Description
- Design
- Dimensions
- Ordering Codes
- Accessories
- Technical Parameters
- Installation, Maintenance & Operation
- Transport & Storage
- Related Products
- Description
- Design
- Dimensions
- Ordering Code
- Accessories
- Quick Selection
- Technical Parameters
- Installation, Maintenance & Operation
- Transport & Storage
- Supplement
- Related Products
Valves | 3 / 12
Description
EFF is a circular extract diffuser for ceiling installation. It has adjustable vent capacity.
Highlights
• Non-disturbant aesthetic form
• Easy installation
• Vast adjustability range
Accessories
Detailed information about accessories for EFF is available on page 5.
• RFU and RFP: Mounting Frames
Design
EFF is made from galvanized steel sheet with powder colour coating. The product consists of the xed part with xing
springs equipped duct connection and the valve seat and the movable valve front cone. The front cone is held
by the central thread bolt and can be moved by rotating. So the gap between the cone and the seat can be adjusted
to set the required air ow volume.
Fig. 1: Components of EFF
Product Parts
4
2
3
1
1 Valve seat (xed part)
2 Fixing spring for duct or mounting frame
3 Front valve cone (movable)
4 Thread bolt
Legend