... 1.Lixin has been certified to ISO9000, pressure vessel AZ, undertaking API and CE certification. 2.Low price and high quality. 1.Face ... to face dimensiions adopt short series, and light weight valve is ... sewage, coal slurry, ash and serifluxNominal pressure: 0.6MPa, 1.0MPa, 1.6MPa, 150LbNominal diameter: DN90~900mm, NPS2"~36"Suitable temperature: ...