Industry Information

Update December 21, 2018

What is a lap joint flange? A Lap Joint Flange is a two piece device that is much like a weld-neck flange but also like a loose slip-on flange. One piece is a sleeve called a ‘Stub-end” and is shaped...

Update December 20, 2018

Stainless steel flange ball valve features and classification

The ball valve and the plug valve are the same type of valve, only the closing member of which is a ball, and the ball rotates around the center line of the valve body to open and close a valve. The...

Update December 20, 2018

Standard flange gasket

This practice of using a solid ID is NOT RECOMMENDED, however, for several reasons.  The first is that the gasket will probably not completely stop the fluids from reaching the blind flange. Keep in...

Update December 19, 2018

useful for Spectacle Blinds

Spectacle Blinds are another somewhat uncommon but important application for gaskets. A picture of a spectacle blind is shown below. The name comes from the fact that the assembly looks like...

Update December 19, 2018

Stainless steel elbow features

The difference between the stainless steel elbow and the carbon steel elbow is mainly due to the difference in material. The chemical composition of the elbow will keep the surface of the elbow from...

Update December 18, 2018

Stainless steel flange globe valve features and working principle

Stainless steel flange shut-off valve Many times we call the stainless steel shut-off valve, the valve flange connection. Stainless steel globe valve belongs to the globe valve, the valve body adopts...

Update December 18, 2018

What is a blind flange

What is a blind flange? A blind flange is a solid flange as shown below. The purpose of these is to block off a section of pipe or a nozzle on a vessel that is not used. (A nozzle is typically a pipe...

Update December 18, 2018

ANSI/ASME B16.9 Butt Weld Pipe Fitting

weld fittings, you would find them to be manufactured according to ANSI/ASME B16.9. Check the differences between socket weld fittings. Also known by welded pipe fittings Butt weld fittings would...

Update December 17, 2018

Seamless steel pipe manufacturers share: cold drawn precision seamless steel pipe matters needing attention

Cold-drawn precision seamless steel pipe Note Cold-drawn precision seamless steel pipe has no oxide layer inside and outside walls, withstand high pressure without leakage, high precision, high...

Update December 17, 2018

Bolts & Nuts for flanged connections

Types of Bolts In Petro and chemical industry for flange connections Stud Bolts and Hex Bolts are used. The Stud Bolt is a threaded rod with 2 heavy hexagon nuts, while the Hex Bolt has a head with...