Copper Tube Seamless Hard Type "L"
|Size (Nominal I.D.)||Outside Diameter||Wall Thickness|
Type L HARD copper tubing is used for interior above ground plumbing, domestic water, service and distribution, fire protection, solar, fuel and oil, HVAC, compressed air, LPG gas, snow melting and vacuum systems. Type L copper tubing is typically used with wrot copper fittings. Brass flare fittings are sometimes used but when ordering brass fittings they are called by the OD and not the NOM sizes. ASTM specifications are B-88.
Manufactured to spec ASTM B88 is the standard specification for seamless copper tube, ANSI/NSF standard 61 drinking water system components.
All of the specifications require a minimum copper plus silver content of 99.9% and phosphorus content between .015 - .040%. As indicated by the compositional requirements, the copper tube is essentially lead free.
NSF 61 , Alloy C12200
Called by the NOM ID size Type L copper wall thicknesses than Type M and is used for domestic water, service and distribution, fire protection, solar, fuel and oil, HVAC, compressed air, oxygen, LPG gas, snow melting, steam, and vacuum systems. Copper tubes of Type L copper tubing are typically used with wrot copper fittings. ASTM specifications are B-88.