Table of Contents
What is ASTM B88?
The B88 specification covers seamless copper water tube suitable for general plumbing, similar applications for the conveyance of fluids, and commonly used with solder, flared, or compression-type fittings. This specification is the imperial companion of Specification B 88M.
What is the wall thickness of ACR tubing?
0.025 inches
The outside diameter of a ½-inch type M copper tubing is also ½ inch, however with a nominal wall thickness of 0.025 inches. Type L air conditioning and refrigeration (ACR) tubing is commonly used on refrigeration system piping.
What type of copper is refrigeration tubing?
Type L copper pipes are typically used for residential water systems. Copper, used for refrigeration, is designated as ACR copper. Measure the inside and outside diameter of the end of the tube. The outside diameter of Type L is always 1/8-inch larger than the size marked on the tube.
How is the size of ACR copper tube designated?
The North American refrigeration industry uses copper pipe designated ACR (air conditioning and refrigeration field services) pipe and tubing, which is sized directly by its outside diameter (OD) and a typed letter indicating wall thickness.
What is ASTM b75?
Abstract. This specification establishes the requirements for seamless round, rectangular, and square copper tube (UNS Nos. C10100, C10200, C10300, C10800, C12000, and C12200) suitable for general engineering applications. The material of manufacture shall be billets, cast bars, or tube.
What is Type K copper tubing used for?
Type K Copper Pipe: Type K copper pipe has the thickest wall of all the common types. It is used for water distribution, fire protection, oil, HVAC, and many other applications in the construction industry. Type K pipe is available in a rigid and flexible form and can be used with flared and compression fittings.
Is ACR copper type K?
Each type represents a series of sizes with different wall thicknesses. Type K tube has thicker walls than Type L tube, and Type L walls are thicker than Type M, for any given diameter. Copper tube for air-conditioning and refrigeration field service (ACR) is designated by actual outside diameter.
What is the difference between L and M copper tubing?
The key difference between types L and M is their pressure rating and wall thickness. The most common copper pipe sizes are ½ and ¾ inches. Type M ½ inch measures 0.028” in wall thickness whereas type L ½ inch measures 0.04” in wall thickness.
Is refrigeration pipe ID or OD?
Refrigeration tubing is measured by it’s outside diameter or O.D.: ¼, ½, 5/8, ¾, 7/8, 1-1/8, 1-3/8, 1-5/8, etc. Plumbing tubing is measured by it’s inside diameter or I.D. : 1/8, ¼, ½, ¾, 1, 1-1/4, 1-1/2, 1-3/4,etc.
What is the outside diameter of 1/4 ACR tubing?
3/8″
Compliance
| Application | Air Conditioning, Refrigeration, Natural Gas, LP Gas, Compressed Air |
|---|---|
| Inner Tube Diameter | 1/4″ |
| Length | 20 ft |
| Material | Copper |
| Outer Tube Diameter | 3/8″ |
Is ACR copper ID or OD?
actual outside diameter
Copper tube for air-conditioning and refrigeration field service (ACR) is designated by actual outside diameter.
What is the difference between L and K copper?
Type K is the heaviest. Type L is medium weight and used most often for water lines in homes. Type M is thinner and is used underground or for light domestic water lines if local codes allow.