China Industrial Pipe Fittings Manufacturer, Supplier, Factory

SN Valve is reputed Paddle Blank and Spacer Manufacturers in CHINA, Our offered Spade and Spacers are normally referred to as Line Blinds, has the similar function as a Spectacle Blind . The Spade or Spacer is fitted in the line between two flanges and is bolted in place. The Spade Ring Spacer is used when the line is required open and the Paddle Blind or Spade is installed when the line is required blocked or closed. To change it from open to closed, only half the bolts need to be removed and the Paddle Spacer is swapped over. The removed bolts are then installed and tightened. The handle from the pipe and provides an indicator of a Spade or Ring Spacer is installed.

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.

Find a huge selection of Plate (PL) Flanges from China at SN Valve. Plate flat welding flange is a kind of flange cut from steel plate with a full flat flange face and a round bore in the center for connection with pipes or other flanges. The connection is usually made by flat welding, i.e., the flange is aligned with the protruding part of the pipe or equipment and then firmly connected by welding.

Non standard flanges are relative to standard flanges, which refer to those flanges that do not conform to the standard sizes, shapes or materials stipulated by the state or industry.
Non-standard: the size, shape or material of non-standard flanges usually do not conform to common national or industry standards.
Customization: due to the special nature of non-standard flanges, it usually needs to be customized and produced according to the specific needs of customers.

Find a huge selection of stainless steel tube sheet from China at SN Valve. Stainless Steel Tube Sheet is a structural material made of stainless steel in the form of a combination of tubes and sheets. It is an alloy with excellent corrosion resistance. It has a chromium content of at least 10.5 per cent and a carbon content of no more than 1.2 per cent, with possible additions of nickel, molybdenum, titanium and other elements to enhance performance.
Corrosion resistance: It is resistant to weak corrosive media such as air, steam and water as well as chemical media such as acids, alkalis and salts.
High strength: stainless steel has high tensile and yield strength, which can meet the needs of various structural applications.
Excellent processing performance: easy to cut, bend, weld and other processing operations, easy to make a variety of shapes and sizes of pipe and plate structure.

Chinese manufacturer SN Valve offers high-quality Welding Neck Flange. A butt-weld flange is a flange with a longer neck that usually matches the outer diameter of the pipe so that it can be welded to the pipe. This flange structural design improves the rigidity and strength of the flange, while improving the sealing performance of the connection. Butt-weld flanges are usually made of high-quality forged steel materials and can withstand high-pressure and high-temperature working environments.