Pressure:Class150-Class900
Size:NPS 1/2-8
Body material: A105, 304, 316, 304L, 316L
Seat material: PTFE/NYLON/PEEK/PPL
Applicable temperature: ≤120℃(PTFE),≤80℃(NYLON),≤250℃(PEEK),≤250℃(PPL)
Design and manufacturing: API 608, API 6D
Pressure test: API 598, API 6D
Structural features: Low operation torque, emergency sealing device, fireproof structure design, reliable sealing structure, anti-static structure, special structure of automatic pressure relief towards upper stream, blow-out proof stem, corrosion resistance and sulfide stress resistance, extension stem.
