According to the chemical industry standard: integral flange (IF), threaded flange (Th), plate flat welded flange (PL), butt welded flange with neck (WN), flat welded flange with neck (SO), socket welded flange (SW), butt welded ring loose flange (PJ/SE), flat welded ring loose flange (PJ/RJ), lining flange cover (BL (S)), flange cover (BL).
According to the chemical agency standard: quintessential flange (IF), threaded flange (Th), plate flat welded flange (PL), butt welded flange with neck (WN), flat welded flange with neck (SO), socket welded flange (SW), butt welded ring free flange (PJ/SE), flat welded ring free flange (PJ/RJ), lining flange cowl (BL (S)), flange cowl (BL).
2. According to petrochemical enterprise company standards: threaded flange (PT), butt welding flange (WN), flat welding flange (SO), socket welding flange (SW), free flange (LJ), flange cowl (not note).
3. According to the mechanical enterprise standard: quintessential flange, butt welding flange, plate flat welded flange, butt welded ring plate free flange, flat welded ring plate unfastened flange, flanging ring plate free flange, flange cover. 4. According to us of a massive standards: essential flange, threaded flange, butt welding flange, flat welded flange with neck, socket welded flange with neck, butt welded ring with neck free flange, plate flat welded flange, butt welded ring plate free flange, flat welded ring plate unfastened flange, flanging ring plate free flange, flange cover.
Flat welded flange refers to a flange that is associated with a container or pipeline with the useful useful resource of way of practicable of fillet weld. It is an arbitrary flange. During the design, in accordance to the integrity of the connection between the flange ring and the straight cylinder section, it is checked in accordance to the quintessential or free flange respectively. Flange rings are on hand with and barring neck. Compared with the butt welding flange with neck, the flat welding flange has a quintessential shape and saves materials, then as hastily as increased the stiffness and tightness are now no longer as satisfactory as the butt welding flange with the neck. Flat welded flanges are considerably used in the connection of medium and low stress vessels and pipelines.
Plate flat welded steel pipe flange, flat welded metal pipe flange with neck
Flat welded flanges are top notch for piping constructions with low stress tiers and low stress fluctuations, vibrations and vibrations. The achieve of flat welding flange is that it is masses a lot an lousy lot lots much less hard to align when welding and assembling, and the price is enormously cheap, so it has been appreciably used.
Product specs DN10-DN2000
Flat welding flanges are no longer allowed to be applicable now welded with tees, elbows and one-of-a-kind pipe fittings, and straighten pipe sections are required.
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