OEM GOST 12820 ASTM A182 F904 PN25 High Quality Factory Prices

Description:

Neck flange is a proper term, divided into neck flat welding flange and neck butt welding flange. The international standard for pipe flanges can be summarized as two different and not interchangeable pipe flange systems.

Specifications:

FAQ:

Our company is China's largest pipeline equipment industrial base - salt mountain, the existing staff 120 people, covers an area of 100000 square meters, is located in the bohai sea economic development zone, taking mengcun hui autonomous county, located in "China pipe fittings of the township", covers an area of 32000 square meters, consists of four branch, east is near bohai sea, south according to jinan, north of Beijing and tianjin, the beijing-shanghai railway, The beijing-Fuzhou expressway is 100 kilometers away from Tianjin Xingang and 200 kilometers away from The Capital International Airport, making the transportation very convenient. Our company has the international advanced level of production equipment, sophisticated testing equipment and strong technical force. The introduction of 3000 tons of advanced performance hydraulic press and large medium frequency push machine, and other cold forming, hot extrusion, forging, welding, heat treatment processing, surface treatment and other production equipment a total of 22 sets; In order to ensure the quality of products, our 8 QC personnel strictly control every link of production and processing: incoming material inspection, processing inspection and final delivery inspection. At the same time, we have introduced more than 10 sets of testing equipment including X-ray testing, magnetic particle testing, ultrasonic testing, direct spectrum reading, metallographic analysis, material tensile test, hardness test, etc., to ensure that our products meet international standards.