Transition Spool


The DeltaValve® Transition Spool is designed to create a permanent connection between the DeltaGuard® unheading device and the coke-drum bottom flange. Transition spools are available in double-flanged or weld-in configurations, and incorporate a permanent side inlet feed connection.

Transition Spool - Technical Specifications

Construction ASME Section VIII Div. 1
Metallurgy Body: SA387 Grade 12, Class 2
SA Grade 11, Class 2
  Flanges: SA182 F12, Class 2
SA182 F11, Class 2
  Cladding: 410 Stainless Steel
  Overlay: ERNiCr-3
Weight Double flanged: 9,300 lbs. (approx)
Single flanged: 5,800 lbs. (approx)
Dimensions Engineered to plant specifications
Connections Engineered to plant specifications
Positive Lockout Yes