Products

Wenzhou Qingyan Technology Co., Ltd.​ is a professional manufacturer of flanges such as Super Duplex F51 Steel Plate Flanges and elbows. Products are widely used in pump and valve, offshore platforms, ships, pressure vessels, petrochemical, boiler fluid, electric power, communications, high-speed rail, photovoltaic and other industries.

Choose Duplex Steel S32205 Socket Weld Flanges from a trusted manufacturer like Wenzhou Qingyan Technology Co., Ltd. to ensure reliable and durable performance in your piping systems.

Wenzhou Qingyan Technology Co., Ltd.​ is a trusted choice for Duplex Steel S31803 Socket Weld Flanges. Their commitment to strict quality control, advanced manufacturing techniques, and customer satisfaction ensures that their flanges are reliable, durable, and compliant with industry standards. Trust Wenzhou Qingyan Technology Co., Ltd. for all your Duplex Steel S31803 Socket Weld Flanges needs.

Wenzhou Qingyan Technology Co., Ltd. manufactures Duplex Steel S32205 Threaded Flanges in different sizes, pressure ratings, and facing options, according to industry standards such as ASTM A182, ASME B16.5, ANSI B16.47, and MSS SP-44. Qingyan Duplex Steel S32205 Threaded Flanges are widely used in industries such as oil and gas, petrochemical, chemical, and offshore, where threaded connections are preferred or required.

Qingyan Duplex Steel S31803 Threaded Flanges are a type of pipe flange that are threaded to connect with threaded pipes or fittings. These flanges are made from duplex stainless steel grade S31803, which is known for its excellent corrosion resistance, high strength, and good weldability.

You can rest assured to buy customized Duplex Steel S31803 Blind Flanges from us. We look forward to cooperating with you, if you want to know more, you can consult us now, we will reply to you in time!