Lap joint stub end is generally a section of the lap joint flange.The stub end of the stainless steel is matched with the carbon steel flange to form a lap joint flange.Lap joint flanges are often use...

What is full-encirclement reinforcing saddle?
Full-encirclement reinforcing saddles are used to provide reinforcement for branch outlets in accordance with ASME B31.3, B31.4, B31.8 and other applicabl...

In an order of my regular client,he requested thread hole in the blind flanges.And the type of thread is WHITW.As follow:BLIND FLANGE/C PN16 WITH 1/2″WHITW.THREAD HOLE  H445/DIN2527   RST37-2.
S...

The metric thread is 60 degree equilateral type,the British thread is 55 degree isosceles type, and the US thread is 60 degrees.The metric threads are used in metric units,and British and American thr...

Pipe branch fittings-outlet pipe fitting introduction
Outlet pipe fitting (also called pipe branch fittings,branch connection fittings,tube base or O’lets) are fittings which provide an outlet f...

What is outlet pipe fitting?
Outlet pipe fitting(also called pipe branch fittings,branch connection fittings,tube base or O’lets) provides a branch of a large-diameter pipe to a small-diameter p...

Interseal 670HS,Intergard 475HS and  Interthane 990,these three kinds of paints are mix used on the flanges coating,there will be introduced separately,so that you can choose the right flange coating....

What is weld overlay?
Weld overlay is a welding process that provides protection for products such as pipelines,valves,flanges and fabrications by welding a corrosion resistant protective layer to are...

In the production of galvanized pipe fittings,especially galvanized elbow and galvanized reducer,cold galvanizing and hot galvanizing are often used.Customers sometimes choose a certain galvanizing me...

API 5L generally refers to the execution standard of pipeline steel pipe,which is used to transport oil,steam and water extracted from the ground to oil and gas industry enterprises.Referring to API 5...

Recently we received an inquiry of the large-dimension line steel pipe from an old client,he ordered once the same steel pipe last year.
The size of the steel pipe from 24″ to 42″ in the i...

Welded steel pipe is also called welded pipe,which is made of steel plate or steel strip after crimped forming.Welding steel pipe production process is simple,high production efficiency,variety specif...

In this article we will discuss the various types and process involved in welding pipe manufacturing.Steel pipes  are produced mainly by two distinct manufacturing methods which result in either a wel...

There are various connecting types for the steel pipes,pipe fittings and flanges: socket weld,butt weld,threaded and so on.Socket welding and butt welding are the quite popular of those.However,you mi...

Tube China – International Tube & Pipe Industry Trade Fair  after 16 years of accumulation,has grown into Asia’s first and second largest industry gathering in the world.China council ...

HH group’s was participated in manufacturing and installing the large size pipeline product with cement lining sewage water reclamation project in Singapore .
We have more experience in the ceme...

Make the cement mortar mixture,then put the mixture on the cleaning of the pipe wall thickness according to the design requirement,put once time or twice lining.After a certain time after curing,form ...

Hebei Haihao Group are attended a water reclamation plant project the PUB is the Singapore’s national water agency public utilities water reclamation department.
Big size cap with cement lining
...