Dm fit ahuc m series push fit hand valve union connectors dm fit ahuc0606m a 6mm push fit hand operated valve from the dm fit ahuc m seriesthe valves are manufactured from safe non toxic materials meeting the requirements of the us fda wras ansinsf 51 61 and sk zert they are widely used in water purification foodbeverage and pneumatic systems dm fit ahuc0606m pneumatic hand valve union connection tube diameter 6mm