Galvanized pipe and brass pipe are both used for water piping systems. Sometimes you have to join the two together while doing a repair. However, if you have a few common plumbing tools at the ready, you can quickly and easily join the galvanized pipe to brass.
If an installation requires contact between galvanized materials and copper or brass in a moist or humid environment, rapid corrosion of the zinc may occur. If the use of copper or brass in contact with galvanized items is unavoidable, precautions should be taken to prevent electrical contact between the two metals.
Can brass fittings be used with steel pipe?
This is because connecting stainless steel plumbing pipes to brass fittings and pipes is risky. Unless the plumber knows the specific types of stainless steel and brass that work well together, connecting them should be avoided.
Do I need a dielectric union for brass to galvanized?
There is some controversy as to the effectiveness of dielectric unions, but the bottom line is that if you connect a copper pipe to a galvanized one, some plumbing inspectors are going to require one. Certain municipalities consider a brass fitting a suitable dialectic union, but others do not.
Does brass corrode galvanized steel?
Copper and Brass Contact between galvanized steel and either copper or brass is a setup for rapid corrosion, especially in a humid environment. If it is not possible to avoid contact of brass or copper and galvanized steel, it is important to insulate the two metals so they are not in electrical contact.
Can you connect black pipe to brass?
Pretty sure brass is just fine... Ive never seen one made of steel for residential use. Make sure you use the right tape/dope for gas.... Sure you can, just make sure its rated for gas.
Can you use brass as a dielectric?
Brass fittings and nipples are also commonly used as a great alternative to dielectric unions for water distribution systems. When galvanized water is exposed to certain water qualities, rust is produced and to prevent that from corroding, brass fittings can be used.
Can you over tighten brass fittings?
Re: overtighten brass fitting? yes, you can overtighten fittings. since you used a crescent wrench with a weak arm perhaps the real problem is that you did not wrap with tape first then dope.
When should you not use Teflon tape on plumbing?
An important thing to remember is that PTFE tape should not be used when connecting PVC fittings or valves with a female (FPT) thread. If the tape is used on female connections, a wedging action can occur which will cause major stress on the joint during assembly.
Can I use brass fittings on a water heater?
Brass & copper are perfectly fine for domestic water & *fuel systems (*no copper alloys in direct contact with aluminum fuel tanks). Brass is not a good idea for below water line applications... The T&P valve on nearly every water heater made is brass as are many of the factory fittings...
Do you need dielectric union for copper to brass?
If all of your water piping and connections from the copper to other fixtures or devices are copper or brass (or plastic) youre fine without adding dielectric unions. But its still steel and In a direct connection to copper will corrode.
What are the 3 types of corrosion?
As corrosion most often occurs in aqueous environments, we now explore the different types of degradation a metal can experience in such conditions:Uniform Corrosion. Pitting Corrosion. Crevice Corrosion. Intergranular Corrosion. Stress Corrosion Cracking (SCC) Galvanic Corrosion. Conclusion.
How much does it cost to tighten brass compression fittings?
Really you should only tighten a compression fitting about 1.25 turns, but I like to do turns in small increments and check for leaks after each turn. You can always tighten a compression fitting more, but you cant un-tighten a compression fitting.