Table of Contents
What are the types of flanges?
Most commonly used flanges are weld neck flange, slip on flange, blind flange, socket weld flange, threaded flange and lap joint flange (RTJ Flange). This type of connection in a pipe flange allows for ease of disassembly and separation for repair and regular maintenance.
How many types of flange are there?
Flange types 5 are: Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange. Below you will find a short description and definition of each type, completed with an detailed image.
How do I know what flange I have?
You need to find the outer diameter, the inner diameter, the number of bolt holes, bolt hole diameter, and the bolt circle diameter. Bolt circle diameter (B.C.) is one of the most important measurements to make when identifying a flange.
What is the most common type of flange?
The Weld Neck flange is the most commonly requested flange. It features a neck extension with a tapered hub, a 37.5-degree bevel, and a 1/16” landing at the point of weld.
What is pad type flange?
Studding Outlet Flanges are usually designed to be installed in the inside or outside of vessels and tanks. A common alternative name for studding outlets is “pad flange.” To clarify, the pad flange and the studding outlet are the same part and pad flanges are not a variation of studding outlet.
What is blind flanges?
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. Blind flanges, just like standard pipe flanges, can be raised face (RF) or flat faced (FF).
What are the two main types of flanges available?
We usually consider two main families of flanges, the standard flanges and the special ones.
How many types of gaskets are there?
There are three types of gaskets used in process piping….Types of Gaskets.
| Non-Metallic | Metallic – Ring Gasket | Composite |
|---|---|---|
| Compressed Non-Asbestos Fibre Gasket (CNAF) | Oval Ring Gasket | Spiral Wound Gaskets |
| PTFE Gasket | Octagonal Ring Gasket | Camprofile Gaskets |
| Rubber Gasket | Metal Jacketed Gasket |
What is a studding flange?
Studding Outlet Flanges are usually designed to be installed in the inside or outside of vessels and tanks. The curving of the outlet should be ordered to fit the curvature of the shell, head, or pipe. Studding outlet flanges are made to order items offered in a variety of configurations.
What is an outlet flange?
1 an opening or vent permitting escape or release.
What is a solid 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 common request for gaskets with a blind flange is for a gasket with no ID; a gasket with a solid center.
What are the different types of metal flanges?
AWWA flanges
How many types of flanges are there?
What are the Main Types of Flanges? Standard Flanges. The flange is slipped over the pipe and is settled by welding at both top and base side of the flange. Special Flanges. A groove flange is constantly paired with a tongue flange. The tongue flange has the face with a raised ring (i.e. Flange faces. The Raised Face (RF) type is the most applied flange face, and is easy to identify.
What are different types of pipe flanges?
Pipe flanges can be divided into eight types based on design. These types are blind, lap joint, orifice, reducing, slip-on, socket-weld, threaded, and weld neck. Blind flanges are round plates with no center hold used to close the ends of pipes, valves, or equipment.
How do you repair a flange?
Hook the heads of the closet bolts to the underside of the repair plate, repair ring or push-in replacement and center them in the tracks. Place a new wax ring on the flange opening, replace the toilet and bolt it to the flange.