A flange is a type of mechanical joint that is used to connect two pipes or other components in a piping system. The primary function of a flange is to provide a method for joining two components together that can be easily disassembled for maintenance or repair. Flanges come in many different types and sizes, and the specific type of flange used depends on the requirements of the piping system.
There are several different types of flanges that are commonly used in piping systems, including:
Weld Neck Flanges - Weld neck flanges are one of the most popular types of flanges used in piping systems. They are designed to be welded to the end of a pipe and feature a long tapered neck that provides excellent reinforcement for the joint. Weld neck flanges are typically used in high-pressure piping systems and are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
Slip-On Flanges - Slip-on flanges are another popular type of flange used in piping systems. They are designed to slip over the end of a pipe and are then welded in place. Slip-on flanges are easy to install and are often used in low-pressure systems. They are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
SO Forged Flange Slip-on Steel Flange
Socket Weld Flanges - Socket weld flanges are similar to slip-on flanges, but instead of slipping over the end of a pipe, they are designed to be welded directly to the pipe. Socket weld flanges are commonly used in small-diameter piping systems and are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
Lap Joint Flanges - Lap joint flanges are unique in that they are designed to slide over the end of a pipe, but are not welded to the pipe itself. Instead, they are held in place by a stub end, which is welded to the pipe. Lap joint flanges are commonly used in piping systems where frequent disassembly is required, as they can be easily removed for maintenance or repair. They are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
Threaded Flanges - Threaded flanges are designed to be screwed onto the end of a pipe, and feature internal threads that match the external threads on the pipe. Threaded flanges are commonly used in small-diameter piping systems and are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
Blind Flanges - Blind flanges are designed to be used at the end of a piping system to seal off the end of a pipe. They are commonly used in piping systems where future expansion is anticipated, as they can be easily removed to allow for the addition of new piping components. Blind flanges are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
Orifice Flanges - Orifice flanges are specifically designed for use in piping systems where flow measurement is required. They feature a small opening that allows for the insertion of an orifice plate, which can be used to measure the flow rate of the fluid passing through the piping system. Orifice flanges are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
Spectacle Blind Flanges - Spectacle blind flanges are a type of blind flange that features a removable insert that can be used to open or close off the end of a piping system. They are commonly used in piping systems where the flow rate of the fluid passing through the system needs to be adjusted periodically. Spectacle blind flanges are available in a variety of materials, including carbon steel, stainless steel, and alloy steel.
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