Full port full swing check valves have been welcomed by our clients for all the time. It has the characteristic of Full Port Full Swing Type allows full flow capacity and easy pipeline clearance of the valve cavity. Another special design features at the Light Weight which reduces the cost. The above features differentiate us from other general check valves. If you need more info, please search from us 1) Bolted cover 2) Flanged or butt-welded ends 3) Standards compliance 4) Design and manufacture: API 6D, BS1868, ASME B16.10 5) Face-to-face dimension: API 6D 6) End flange: ASME B16.5 7) Inspection and test: API 598, API 6D 8) NPS: 2"-48" 9) Pressure: class 150lbs-2,500lbs 10) Material: WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF8C, CN7M