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Large Diameter Flange Factory Tour

Welcome to a tour of Coastal Flange Houston facility! Forged Steel Forged steel is the raw material used to manufacture steel pipe flanges. Coastal’s large raw material inventory allows us to provide some of the industry’s quickest turnaround. The large diameter capabilities of Coastal Flange are some of the best in the industry! Production This…

Raised Face Flange vs. Flat Faced Flange

The key identifier between the raised face and flat face flange is that the raised face is raised above the bolting circle face.  The raised face and flat face flanges are both industry standard in the pipe fitting and flange industry.  This post will showcase details on the differences and uses of the raised face…

What is a Ring Type Joint (RTJ) Flange?

 Ring Type Joint Flanges The Ring Type Joint or RTJ refers to the type of Gasket required for the Flange. The Ring Type Joint was designed for the Petroleum and Petrochemical industries where higher pressures and temperatures are present. The sealing surface is a high tolerance groove cut into the face of the Flange with…

How to Order Custom Flanges

Coastal Flange mainly focuses on industry specific flanges such as AWWA, ANSI, ASME and industry standard flanges we also specialize in custom order flanges.  With a wide range of industries, shops, and systems dependent upon high performance flanges, custom pipe flanges are essential to getting a job done right. Modified and custom flanges for specialty…

What are Metal Flange Forgings?

Forging is the process of forming and shaping Metal using a Hammering, Pressing or Rolling method. There are four main types of processes used to produce Forgings. These are Seamless Rolled Ring, Open Die, Closed Die and Cold Pressed. The Flange Industry uses two Types. The Seamless Rolled Ring and Closed Die processes. All are…

What are Lap Joint Flanges?

A Stub end Flange or more commonly called Lap Joint Flanges are used with Stub Ends. A Stub End adapter slides thru the Flange and is welded to the pipe. The Lap Joint Flange is similar to the Slip On Flange except it is flat across the face and has a radius machined at the…

What is a Skirt Flange?

Skirt Flanges are just one of the Custom Engineered Pipe Flanges we produce here at Coastal Flange. A Skirt Flange is a Pipe Flange with a short piece of Pipe welded to it for use with cement lined pipe. The Skirt Flange is lined with a Cement-Mortar mix and is applied according to AWWA C…

What is a Stud Bolt for Pipe Flanges?

Stud bolts for flanges are the bolting material or fastener used to tighten the flange joint connection. ASME B16.5 Code The American Society of Mechanical Engineers (ASME) began creating code for the piping industry in 1922. ASME created B16, a universal standard for engineers, architects and manufacturers for the purpose of unifying and developing codes…

What are the Types of Flange Gaskets?

In Piping Systems a Flange Gasket is placed between two connecting Flanges to create a leak proof seal. The three primary types of Flange Gaskets are Non-metallic, Semi metallic and Metal Gaskets. Photo Provided by Project Materials The Non-metallic Flange Gaskets are used in low pressure, low temperature and noncritical service applications. These are supplied…

What is an Orifice Flange?

The Orifice Flange is used to measure the flow of product through the piping system. When the Orifice Plate is installed there is a restriction of flow creating a differential pressure and this is used to measure the flow rate of liquids, steam or gases. The Orifice Plate is a thin plate with a center…

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