How do you install a compression fitting on a water line?

Quote from the video:
Quote from Youtube video: Slide the compression fitting onto the tube until the tube bottoms out a drop of lubricating oil or thread sealant will ease not assembly thread the nut onto the fitting hand-tighten.

Can you use compression fittings on water lines?





Compression fittings create removable plumbing connections on standard rigid and flexible copper pipe and tubing. They are most commonly found on water shutoff valves, or stop valves, the type used on faucet and toilet water supply pipes. There are also compression union fittings that join two pipes in a straight line.

What is the difference between FIP and compression?

MIP or FIP (male or female iron pipe): Same thread dimensions as NPT. BSP(T) or BSP(S) (British standard pipe tapered or straight): Most common in Europe. Compression: A unique threaded fitting that does not mate with other thread types.

Is NPT the same as compression?

NPT (ends) look very different than compression (ends). NPT has no nuts or ferrules, but instead relies entirely on a thread connection. Like plastic tubing, the product designation for NPT (and pipe in general) is the internal diameter (ID), not tubing OD like compression.

Is pipe thread the same as hose thread?

Of the threaded connectors, the fitting can be either hose thread or pipe thread depending on the application. Hose threads are almost always the same size, ¾”. Whereas pipe threads can vary greatly from one manufacturer to another and one system to another as well.

Do compression fittings need Teflon tape?





On NEW compression fittings, PTFE tape is NOT REQUIRED although there are many people that still use it as an added layer of protection against leaks.

How do I stop my compression fitting from leaking?

Quote from the video:
Quote from Youtube video: To be this way around like so okay then you can get your adjustable on the fitting like that and tighten it up give it an extra nip. Often that will stop a leak on a compression.

Why is compression fitting leaking?

Over tightening a compression fitting can also cause the fitting to leak. When tightening up the compression fitting, only turn your tool until you feel resistance. From there, you shouldn’t turn it anymore than a half a turn. By doing this, you can ensure you’ll prevent your compression fitting from leaking.

What thread is a garden hose?

The US standard was defined by NFPA 1963, “Standard for Fire Hose Connections”, then later by ANSI-ASME B1. 20.7, which specifies 1+1⁄16 inches (27 mm) diameter straight (non-tapered) thread with a pitch of 11.5 threads per inch (TPI).

Are MIP and NPT the same?



Yes, NPT (national pipe thread) has the same thread dimensions as an MIP (male iron pipe) and FIP (female iron pipe).

What is a FIP connector?

F.I.P.: Female Iron Pipe. Describes an internal pipe thread end connection, verses external.

Do you use Teflon tape on FIP fittings?

Don’t use Teflon tape, Teflon paste or pipe dope. Do use a sealant. Teflon tape, Teflon paste and pipe dope is intended for metal pipe and fittings. Metal to metal fitting joints are more difficult to tighten than plastic; the surfaces tend to gall without the aid of such lubricants as Teflon or pipe dope.

What is the difference between MIP and FIP?



MIP? FIP means Female Iron Pipe. MIP is Male Iron Pipe.

What thread is FIP?

An FIP is a “female iron pipe,” or one in which the threads are on the inside.

Is MPT and NPT the same?

MPT and FPT are both sub-types of NPT. National Pipe Threads (NPT) have tapered threads.



Definition of Pipe Thread Acronyms
NPT National Pipe Thread (tapered)
FPT Female Pipe Thread (interchangeable with NPT)
FIP Female Iron Pipe (interchangeable with NPT)
MPT Male Pipe Thread (interchangeable with NPT)

What is the difference between NPT and NPS?

What is the Difference between NPS, NPT & NPTF? Both NPT and NPS have the same thread angle, shape, and pitch (threads per inch). However, NPT threads are tapered and NPS threads are straight (parallel). Both threads have a 60° included angle and have flat peaks and valleys.

What does NPT mean in fittings?



National Pipe Taper

NPT (or National Pipe Taper) is a U.S. standard for tapered threads widely used on pipes and fittings for over 100 years. NPT connections rely on thread deformation- a metal to metal sealing design where the threads of the connectors themselves form together.

What is the diameter of 3/8 NPT?

Basic Dimensions, American National Standard Taper Pipe Threads, NPT, (ANSI B2. 1-1968)

Nominal Pipe Size Outside Diameter of Pipe Wrench Makeup Length for Internal Thread
1/4 0.540 0.1667
3/8 0.675 0.1667
1/2 0.840 0.2143
3/4 1.050 0.2143

Is NPT the same as pipe thread?

NPT is the abbreviation for National Pipe Thread Tapered, which is the U.S. standard for tapered threads used to join pipes and fittings. They were established as a standard by the American National Standard Pipe Thread, commonly referred to as the national pipe thread standards.