COUPLINGS
1508/1508R Cast Coupling
PRODUCT OVERVIEW
1508/1508R
Couplings
ROBAR 1508 Straight and Transition couplings are used to make a non-restrained connection between two pipes of the same nominal size but with same or different ODs. Used in areas where corrosion is a factor.
DRAWINGS & MEASUREMENTS
The original specification, right here.
Check pipe sizes, working ranges and drawing dimensions on the manufacturer's sheet. Dimensions vary by size and configuration.
PRODUCT RESOURCES
Details you can work with.
SPECIFICATIONS & APPLICATION
1508/1508R Cast Coupling
ROBAR 1508 Straight and Transition couplings are used to make a non-restrained connection between two pipes of the same nominal size but with same or different ODs. Used in areas where corrosion is a factor.
ROBAR 1508R Straight and Transition couplings are used to make a non-restrained connection between two pipes of the different nominal sizes. Used in areas where corrosion is a factor.
MATERIAL SPECIFICATIONS:
Center Sleeve: Cast Ductile Iron
End Rings: Cast Ductile Iron
Gaskets: Nitrile (NBR) Rubber (Other compounds available)
Fasteners: 1508 – 5/8” HSLA Steel with Heavy Hex Nuts
Torque: 70-80 ft. lbs.
Coating: Corrosion Protective Epoxy coating
Working pressures: 2″ through 12″ – 300 PSI
14″ through 24″ – 150 PSI





