Connection size - side 15"
Pipe size5"
Body materialCarbon Steel
Connection typeWafer
Disc materialStainless Steel
GradeGrade 316
Flow coefficient (cv)495
For mediaGas, Liquids
Silent checkStandard
Valve body styleInline
Operating temperature - minimum-20°F
Spring materialInconel X 750
3-a complianceNot Rated
Check mechanismDouble Disc
Connection type - side 1Wafer
Connection type - side 2Wafer
Max. pressure (steam)Not Rated
Mounting orientationHorizontal, Vertical
Seal materialBuna-N
Seat materialBuna-N
Vacuum service ratingNot Rated
Valve seriesDD
Connection size - side 25"
Operating temperature - maximum250°F
Cracking pressure1.05 psi
Flow rate495 GPM
Max. pressure (cwp)275 psi
Media temperature range-20°F to +250°F
Media temp. range-20°F to +250°F
Max. steam pressure-valvesNot Rated
Pipe or tube size5"
Application-valvesProcess Piping
Pipe or tube size-check valves5"
Dimensions7-3/4 in Dia
Domestic/importImport
End styleWafer
FinishEpoxy Coated
Inlet to outlet length3-3/8 in
MediaGas/Oil/Water
Nominal size5 in
Pressure class150 lb
Pressure rating285 psi
SeriesStyle DD
Softgoods materialBuna-N
Temperature rating100 deg F
Trim materialBuna-N/316 Stainless Steel/Inconel X-750
TypeDouble Disc Retainerless
ManufacturerO C KECKLEY COMPANY