China FF Flange Manufacturer, Supplier, Factory

Shuangneng is a professional manufacturer and supplier of Industrial Grade Boom Manway in China, which is a mechanical device designed for heavy industries, construction sites and other occasions where heavy objects need to be moved vertically. Our customizable product can be powered by a hydraulic system that can accurately lift or lower heavy loads to meet a variety of height and weight requirements. These lifting platforms are usually equipped with a stable frame structure and flexible operating devices to ensure their efficient and stable operation in complex environments.

SN Valve is a leading China copper alloy tube sheet manufacturer. The production process of copper alloy tube and plate usually includes raw material preparation, melting and casting, processing and moulding, heat treatment and surface treatment and other steps. Among them, melting and casting is the copper alloy raw materials into liquid state after melting and casting into the required shape; processing and forming through cutting, drilling, welding and other processes will be processed into the casting of the pipe plate in line with the requirements of the heat treatment can further improve the mechanical properties of copper alloys and corrosion resistance; surface treatment can improve the surface quality of the pipe plate and corrosion resistance.

As a professional manufacturer, SN Valve is willing to provide you with the best slip-on flanges. Slip-on flanges are a special type of flange made of a circular metal plate with one or more bolt holes on it. This type of flange is designed to easily slide and fix pipes or fittings together, allowing two or more parts to be connected. They are relatively simple in construction, usually matching the outer surface of the pipe, and can be welded directly to the pipe or secured to it by fasteners.

Stainless Steel Concentric Cross, also known as 4-way pipe connectors, are precision-engineered components designed to split or combine fluid flow across four directions in piping systems. Crafted from high-grade 304, 316, or 316L stainless steel, these fittings excel in corrosive, high-pressure, and extreme-temperature environments, making them ideal for industries like oil and gas, chemical processing, HVAC, and water treatment.

SN Valve is a leading China socket welding 90 degrees elbow manufacturer. Socket welding 90 degrees elbow plays a role in pipeline connection to change the direction of fluid transmission, so that the fluid can be turned at right angles. It is designed with a socket at one end, and the other end is matched with the outside diameter of the pipeline, for insertion into the main pipe for welding. Socket welding 90 degree elbow is mainly used in small diameter, high pressure piping system, especially in the need to strictly control the risk of leakage and higher strength requirements of the occasion, such as petroleum, chemical, electric power and other industries in the pressure piping system.

Long Weld Neck Flange (LWN) is an extended form of butt welded flange with a neck, whose neck height is significantly higher than that of ordinary butt welded flanges. The neck is usually designed in a straight cylindrical shape, and the height is adjusted according to the nominal diameter (DN): when DN ≤ 100, the neck height is 229mm, and when DN>100, it is 305mm. The thickness of the neck wall gradually transitions to the thickness of the pipe wall, effectively improving the stress distribution, enhancing the rigidity and bearing capacity of the flange, making it suitable for working conditions with high pressure, high temperature and frequent temperature changes.