Manufacturers Selling Plastic Check Valves, Miniature Water Valves, Pneumatic Valves, Small Abs Check Valves $ 4.26 Product information: Type: DDCV double petal type Material: ABS Connection form: welding Nominal diameter: 10 (mm) Applicable medium: water air Form: Diaphragm Pressure environment: normal pressure Standard: National Standard Flow direction: one-way Drive mode: pneumatic Working temperature: normal temperature Type (channel position): straight-through Packing list: Pneumatic valve*1