Manufacturing standards -Design:API 6D -Pressure-Temp.Rating:ASME B16.34 -Face to face dimension:ASMEB16.10 -FlangedEnds:ASMEB16.5 (upto24") ASMEB16.47(above26) -ButtWeldEnds:ASMEB16.25 -Pressure Test: API 6D Manufacturing Range -Ratings:From 150Lbs.up to 2500Lbs -Sizes:2²upto 64" -Applicable Temperature:-64~200℃ characteristics Description: Bolted bonnet Parallel Expanding Gate Valve Metal double seal seat ring Divide to with condult hole and non-conduct Adjustment Type have Flow control function Assembling direction: vertical or horizontal Connection: Flange(RF.FF.RTJ)or Welded(BW) Operation -Manual(handwheel or gearbox) -Actuated(Electric,pneumatic or hydraulic)