Pressure:Class150-Class1500Size:NPS 6-40Body material: A105, 304, 316, 304L, 316LSeat material: PTFE/NYLON/PEEK/PPLApplicable temperature: ≤120℃(PTFE),≤80℃(NYLON),≤250℃(PEEK),≤250℃(PPL)Design and manufacturing: API 608, API 6DPressure test; API 598, API 6DStructural features: Integral valve structure, corrosion resistance and sulfide stress resistance, welding of transition pipe