Product Range: Size: 1/2" - 32" (DN15 - DN800) Pressure Range: Class 150 - Class 900 (PN16 - PN150) Working Temperature: -196℃ - +560℃ Body Material: Carbon steel, Stainless steel, Alloy steel, Bronze Suitable Medium: Water, Steam, Oil products, Nitric acid, Acetic acid Standards: 1. Inspection and Test: API598, JB/T9092; 2. Design and Manufacture: API594, JB/TB8937; 3. Face to Face: API594, DIN3202, JB/T8937; 4. Pressure-Temperature Rating: ASME B16.34, DIN2410, GB/T9124, SH3406, JB/T74; 5. Pipe Flange: JB/T74-90, JB/T9112-9124, SH3406, GB/T13402, API605, ASME B16.47. Structural Characteristics: 1. Low volume, light weight, only 1/4-1/20 of those of traditional flanged check valve; 2. Short structural length, only 1/4-1/8 of that of traditional flanged check valve; 3. Quick valve disc closedown, low water hammer pressure; 4. Smooth flow passageway and small fluid resistance; 5. Narrow valve travel and small closedown impact; 6. Long service life and good reliability.
