flange plate

using a socket welding flange.

a shoulder for the pipe to rest on. This eliminates any restriction in flow when

matching pipe. A restriction is built into the bottom of the bore which sets as

slip-on flange. The diameter of the smaller bore is the same as the I.D. of the

matching pipe, allowing the pipe to be inserted into the flange similar to a

a counter bore dimension. The counter bore is slightly lager than the O.D. of the

The socket welding flange is similar to a slip-on flange except it has a bore and

Socket Welding Flanges:

the interior of a line or vessel once it has been sealed and must be reopened.

a piping system and/or a pressure vessel opening. It also permits easy access to

The blind flange is a flange without a bore. It is used to close off the ends of

Blind Flanges:

and a lap joint stub end are mated together in an assembly system.

to have the flange accommodate a lap joint stub end. Normally, a lap joint flange

radius at the intersection of the bore and flange race. This radius is necessary

The lap joint flange is practically identical to a slip-on flange except it has a

Lap joint Flanges:

than that of the welding neck flange because of the additional welding involved.

their lower initial cost, but final installation cost is probably not much less

matching pipe. They are preferred over welding neck flanges by many users due to

leakage. Slip-on flanges are all bored slightly larger that the O.D. of the

welding. It is welded both inside and out to provide sufficient strength and prevent

The slip-on flange has a low hub because the pipe slips into the flange prior to

Slip-On Flanges:

areas where welding create a hazard.

low pressure services at ordinary atmospheric temperatures and in highly explosive

chief merit is that it can be assembled without welding, explaining its use in

The threaded flange is similar to the slip-on flange, but the bore is threaded. Its

Threaded (Screwed) Flanges:

value. It is expensive because of the design.

flange of those currently available because of its inherent structural

at the base of the Flange. The welding neck flange is the best designed butt-welded

to transfer stresses to the pipe, thereby reducing high stress concentrations

The welding neck flange is normally referred to as the "high hub" Flange. It is designed

Welding Neck Flanges:

1) Standard:ANSI, DIN, EN1092-1, JIS, BS4504, UNI.
2) Type: WN, SO, PL, BL, THRD, LAP-JOINT, SW.
3) Process: Free Forging, Mould Forging, Upset Forging.

flange plate

flange plate, carbon steel flange, Manufactured to Deutsches Institut far Normung (German standards authority) standards