Large-caliber welding flange refers to a caliber of over DN450, the welding flange is suitable for pressure or temperature significantly fluctuating pipelines or high temperature, high pressure and low temperature pipelines, also used to convey expensive, flammable, explosive media on the pipeline.

1.Application range different: flat welded steel flange is suitable for carbon steel pipe connections with nominal pressure not exceeding 2.5MPa. 1.Application range different: flat welded steel flange is suitable for carbon steel pipe connections with nominal pressure not exceeding 2.5MPa. Flat welded flange sealing surface can be made of three types of smooth, concave and grooved flange sealing surface can be made of three types of smooth, concave and grooved flange sealing surface can be made of three types of smooth, concave and grooved flange sealing surface. Flanges ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld ye kek weld Welding flanges aye luɔ̈ɔ̈i në pip ye kɔc ɣɔɔc, ye kɔc ɣɔɔc, ku ye kɔc ɣɔɔc. Welding flange is not easy to deform, sealed well, widely used, nominal pressure PN is around 16MPa. Welding flange is not easy to deform, sealed well, widely used, nominal pressure PN is around 16MPa.

2. Welding method different: flat welding flange welding when only single-sided welding does not require welding pipe and flange connecting internal port. 2. welding method different: flat welding flange welding when only single-sided welding does not require welding pipe and flange connecting internal port. Lɔ̈ɔ̈i de flange ye welding ye flange ye welding ye. Ku ye kë ye looi bï kɛ̈ɛ̈r ye looi bï kɛ̈ɛ̈r ye looi bï kɛ̈ɛ̈r ye looi bï kɛ̈ɛ̈r ye looi bï kɛ̈ɛ̈r ye looi

3. Kä ye ɣɔɔc: Flat welding flange ye ɣɔɔc ye ɣɔɔc; Lɔ̈ɔ̈m de flange de welding ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni ye dɔɔni.