For the control of clean or dust laden air flows at a variety of temperatures
- Style: Double flanged or wafer with drilling to suit
- Sizes: Typically between 50 – 500mm diameter, and up to 1,000mm square
- Shape: Round, rectangular, horizontal or vertical.
- Operation: Hand lever, chainwheel, electro-pneumatic or motorised
- Sealing: To various standards from clearance to seated styles with flaps being plain, eccentric, elliptical, off-set or fitted with ‘O’ rings