American standard rotary check valve

Product structure 

 Nominal diameter: DN15-DN350mm 

 Product Model: H44H, H44Y 

 Pressure range: 1.6-2.5MPa 

 Use of the product 

 The sealing sub-pairing is reasonable. The sealing surface of the valve flap and valve seat is made of alloy steel or iron-based alloy or Stali (stone) cobalt-based cemented carbide. The surface is made of weld-resistant, which is wear-resistant, high-temperature-resistant, corrosion-resistant, abrasive-resistant, and has a long service life.