Flanged ball check valves, serie 53

AVK ball check valves are self-cleaning and with full bore. The ball rotates during use and thus prevents adhesion of impurities to the ball. The full and smooth passage ensures a complete flow with low pressure loss. AVK ball check valves are available with flanges and internal threads. They are supplied as standard with NBR-coated ball and optionally available with polyurethane ball in various weights.

Characteristics:
- Self-cleaning construction, whereby the ball rotates during use to prevent adhesion of impurities to the ball.
- Full bore ensures a low pressure loss and a minimum of back pressure.
- Smooth bore eliminates the risk of deposits on the bottom.
- NBR vulcanized ball made of aluminum in DN 50-100 and cast iron in DN 125-400. The rubber hardness is optimized to prevent the ball from getting stuck in the seat. For DN 600 the ball is made of aluminum with PUR coating.
- The ball is optionally available in polyurethane and suitable for abrasive media and with different weights to prevent any vibrations and water hammer.
- Compact, robust design.
- Stainless steel bolts and nuts and stainless steel housing and cover.