The Ultimate FAQ Guide Of Galvanized Pipe Couplings

This guide answers all the questions you have about galvanized pipe couplings. If you have been looking for information about galvanized steel merchant couplings, look no further.

You will find the most direct, yet detailed answers to basic questions, you often ask about galvanized steel full merchant couplings and half merchant couplings.

Without further ado, here we go:

• What Are Galvanized Pipe Couplings?

Galvanized pipe couplings are made of high-quality galvanized carbon steel pipes. Galvanized couplings are electroplated zinc or hot-dipped zinc, and galvanizing can increase the corrosion resistance of the steel pipe coupling and prolong the service life.

Galvanized pipe couplings are mainly used for the extension of water supply pipes in residential and commercial buildings.

• Key Features And Benefits

1. Anti-corrosion: The galvanized coating supplies reliable protection for coupling by avoiding water and oxygen contact directly with metal coupling to decrease rust and corrosion. That makes galvanized coupling very suitable when used in water systems.

2. Durable: The galvanized coupling is fit for work in multiple kinds of workplaces and can bear high pressure. Their high strength and durability contribute to extended use lifelong.

3. Easy to install: The galvanized nipples are designed female threaded usually, easy to install, and without more tools, you can install or remove them toilless at any time.

4. Low cost: Because of their durability and high quality, the maintenance charges are low during use. In the long run, this is reasonable and money-saving.

• What Are Galvanized Merchant Couplings?

There are so many different types of couplings available and each one has its own specific application. For example, when connecting drop pipes in a well, you may consider using merchant couplings to connect them.

SANVO galvanized merchant couplings are threaded and made of galvanized carbon steel pipes, including standard galvanized full merchant couplings, standard galvanized half merchant couplings, extra heavy galvanized full merchant couplings, extra heavy galvanized half merchant couplings, etc.

• Galvanized Merchant Coupling Thread Standards

Merchant couplings are manufactured per ASTM A865 and are intended for use on steel pipe joints by ANSI B1.20.1. Sizes 1⁄8″ NPS through 2″ NPS are straight-tapped. Sizes 2 1⁄2″ NPS and larger are always taper-tapped.

The difference between straight thread and tapered thread

1. First, it comes down to cost. Tapered threads cost more to manufacture while straight threads cost less to produce.

2. Second, tapered threads seal better. They seal better because the threads get tighter the further down the coupling, while straight threads stay the same width throughout.

All merchant couplings are chamfered before they are threaded. This means that before the threading is done, a chamfer is created. It can be tricky to tell where the threads start on the chamfer, but it helps start threading the pipe into the coupling.

• Where To Buy/Purchase Galvanized Steel Merchant Couplings?

SANVO is a good stainless and carbon steel coupling supplier, manufacturer, wholesaler, exporter, factory, and company in China, and supplies standard and extra heavy galvanized steel full merchant couplings, half merchant coupling, and API line pipe couplings, etc. 

Our galvanized steel merchant couplings can be customized according to drawings, samples, or special requirements of customers, and send samples for free. So, you can choose Hebei Sanvo Pipes And Fittings Co., Ltd. to buy/purchase galvanized steel merchant couplings.