A182 F316 Lap Joint Flange

The smooth transition between the flange and the hub combined with the strength of the butt weld joint, allows the flange to be used in extreme conditions of cyclic loading, bending and temperature fluctuations.

flange type: Weld Neck Flange ( WN),Slip-on Flange (SO), Threaded Flange (THD),Socket Weld Flange (SW),Blind Flange (BL),Lap Joint Flange (LAPJ),Plate flange (PL)

The bore of the slip on will give ample amount of space for the matching pipe. This allows for enough working space for the welder and fabricator to make the connection.Slip-On flanges are commonly lower in price than weld-neck flange.However, customers should bear in mind that this initial cost saving may be diminished by the additional cost of the two fillet welds required for proper installation.

There are varies advantages of stainless steel flange:
Resistant to corrosion and staining
Low maintenance
Bright familiar luster
Steel Strength

What is a BLIND FLANGE and what about its specification and advantages.

ASME B16.5 SW flange is belong to American Standard for forged flanges,this kind of flange are been used all over the word.Forged flanges are high pressure flanges,the commonly used classes are CL 300,CL 600 for forged flanges.Stainless steel flanges always more expensive than other flanges because of the stainless steel has better functions.

A234 WPB blind flange is a type of flange widely used in pipeline systems. A234 is the standard number of the American Society for Testing and Materials (ASTM), and WPB indicates that this material is a carbon steel pipeline component for medium and low temperatures.

Detail infoemation of Weld Neck(WN) Flange

Some information abou SO Flange.

This allows for a smooth bore and better flow of the fluid or gas inside of the pipe. The connection with the pipe is done with 1 fillet weld, at the outside of the flange. But before welding, a space must be created between flange or fitting and pipe.

A flange can be defined as a method that helps in connecting pipes, valves, etc., to form a full piping system. There are seven flange classes ranging: #150, #300,#400, #600, #900, #1500 #2500.

Carbon Steel: ASTM A105 / A105N, ASTM A350 LF2/LF3, ASTM A694 F42 / 46 / 56 / 60 / 65, P235GH, P265GH, P280GH, P355GH
Alloy Steel: ASTM A182 F11 / 12 / 5 / 9 / 91 / 92
Stainless Steel: ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317,347,904L， 1.4404, 1.4437.
Duplex Stainless Steel: ASTM A182 F51, F53, F44

150LB threaded flanges are one types of flanges.Other types of flanges are WN,SO,SW,LAPJ,BL.Stainless steel 316L flanges are popular in many corrosive environments because of the excllent corrosion resistance.Flanges have many pressures:CL150, CL300, CL600, CL900, CL1500, CL2500.

What is a Spectacle Flange and what about its specification and advantages.

What is a blind flang,what about its specification and advantage.

The descipton ,specification ,and advantages of a weld neck flange.

The ASME B16.5 Weld Neck Flange is a welding-type flange cast or forged integrally with the tapered neck. It is then buttwelded to the piping system. The ASTM A182 SS WNRF Flange is made of austenitic steel consisting of 18% chromium and 8% nickel, and it is this composition that makes the flange strong and highly resistive to corrosion. 

150LB SO Flange is the lowest pressure flange in flanges.High Pressure Forged Flange have many pressures:CL150, CL300, CL600, CL900, CL1500, CL2500.

The specification of ASTM A182 Forged Pipe Fittings includes forged fittings, stainless steel, rolled alloy, forged alloy, pipe flanges as well as high-temperature service. Later then forgings and hot working, it would be cooled down to a certain temperature before heat treatment.

Steel Flange Fittings connection with the pipe is done with 1 fillet weld, at the outside of the flange. But before welding, a space must be created between flange or fitting and pipe.

Stainless steel flange, also called SS flange, it means the material of flange is stainless steel. Common material standards and Grades are ASTM A182 Grade F304/L and F316/L, with pressure ratings from Class 150, 300, 600 etc and to 2500.

The slip-on flange is a simple and excellent alternative to a weld neck as it does not have a weld bevel, and therefore allows the pipe to be adjusted in length relative to its position of the flange. The bore of the slip on will give ample amount of space for the matching pipe.

The descipton ,specification ,and advantages of a weld neck flange.

A105 Lap Joint flanges are made by using flanges, steel rings, etc. to put flanges on the pipe ends, and the flanges can move on the pipe ends. The function of the flange is to press them tightly. Because they are blocked by the flanges, the Lap Joint flanges do not contact the medium.

Socket weld (SW) flange is a type of forged flanges,these flanges can socket and wedled with pipes,you could find the flanges specifications in the content below.Stainless steel flanges are popular because the stainless steel has great corrosion resistance so that these flanges can used in some corrosive environments.

The specification of ASTM A182 Forged Pipe Fittings includes forged fittings, stainless steel, rolled alloy, forged alloy, pipe flanges as well as high-temperature service. Later then forgings and hot working, it would be cooled down to a certain temperature before heat treatment.
The Alloy Steel A182 Threaded Elbow material grade contains ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22.

The equal cross is one kind of the pipe cross,  the equal cross means all the 4 ends of the cross are in same diameter.
The reducing cross also is called unequal pipe cross , it is the pipe cross which the four branch ends are not in the same diameters.