Threaded Flanges

Code 61 Threaded 4-Bolt Flanges

DMIC’s ‘FL’ series of Forged Steel 4-Bolt flanges are chosen by quality oriented Engineers & Designers for superior strength and elimination of porosity problems. DMIC stocks thousands of Forged Steel flanges in full port and reduced port versions for rapid shipment.

Features
Sizes from ½” through 4″, full port and one-size-reduced port models
Extensive stock of “Standard” and “Companion” types in NPT & SAE
Available in Stainless Steel; production leadtime may apply
Includes Buna-N O-Ring, optional Viton & EPR hardware kits
Model Selector
FL4SU – “Standard” Code 61 Threaded 4-Bolt Flanges (with O-Ring Groove)
FLRSU – “Standard” Code 61 Threaded 4-Bolt Flanges (with O-Ring Groove), One Size Reduced Port
FL4SU – “Standard” Code 61 Threaded 4-Bolt Flanges (with O-Ring Groove)
FLRSC – “Companion” Code 61 Threaded 4-Bolt Flanges (w/Tapped Bolt Holes), One Size Reduced Port
Code 62 Threaded 4-Bolt Flanges

DMIC’s ‘FH’ series of Code 62 Forged Steel 4-Bolt flanges are suitable for increasingly more prevalent applications which exceed the Code 61 specification (>3,000 PSI). Engineered with extra heavy construction and generous design factor for complete peace of mind

Features
Sizes from ½” through 4″, full port and one-size-reduced port models
Extensive stock of “Standard” and “Companion” types
Available in Stainless Steel; production leadtime may apply
Metric companion model is available by special order
Includes Buna-N O-Ring, optional Viton & EPR hardware kits
Model Selector
FH4SU – “Standard” Code 62 Threaded 4-Bolt Flanges (with O-Ring Groove)
FHRSU – “Standard” Code 62 Threaded 4-Bolt Flanges (with O-Ring Groove), One Size Reduced Port
FH4SC – “Companion” Code 62 Threaded 4-Bolt Flanges (w/Tapped Bolt Holes)
FHRSC – “Companion” Code 62 Threaded 4-Bolt Flanges (w/Tapped Bolt Holes), One Size Reduced Port

Download Code 61 Threaded PDF

Download Code 62 Threaded PDF