Douglas - Model 1500 - Compact Bolted Bonnet Gate Valves - Brochure

Ratings (ASTM A105): 1500 p.s.i. @ 850°F, 3705 p.s.i. @ 100°F. Test pressure (ASTM A105): Hydraulic:(minimum), Body - 5575 p.s.i. Seat - 4100 p.s.i. Air under water: Seat - 85 p.s.i. Standards: Construction: API 602, Socket weld: ASME B16.11, Threaded: ASME B1.20.1, Butt weld: ASME B16.25, Test: API 598. Connections (xx): SW: Socket weld, B8: Butt weld 80, TH: Threaded NPT, TS: Sw/NPT, SE: Sw(e)/NPT, SU: Sw(u)/NPT, B6: Butt weld 160.