• Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI B 16.5 from 1/2" to 24" and classes 150 to 2500 (complete range).
• Flanges from 26" to 48" and classes 150 to 900 lbs are in accordance with MSS SP 44 standard.
• Flanges with long welding neck are from classes 150 to 2500 lbs and sizes from 1/2" to 24".
• Orifice flanges from 1" to 24" and from 300 to 2500 lbs are in accordance with ANSI B 16.36.
• Blind, slip on, welding neck flanges are from 6 Bar to 40 Bar in accordance with DIN.
• Flanges from 1/2" to 24" and up to 450 lbs are in accordance with BS10 Table D & Table E, BS Table F & Table H, BS Table J & Table K.
• Flanges from 2kg to 210 kg are in accordance with JIS.
• Flanges according to API 605/ASME B16.47.
• Depending on special purposes, flanges can be manufactured in different shapes and sizes

Shijiazhuang Bangdong pipe Co., Ltd is located in Shijiazhuang , the capital city of Hebei , with superior geographical position and convenient transportation.It is a real professional manufacture and exporter of pipe fittings ASME ANSI B16.9, AND JIS. 
The company produces and exports pipes and pipe fittings, including ELBOW/TEE/REDUCER/CAPS/FLANGE and other pipeline products . With technological production team and excellent sales staff , we keep improving efficiency regularly and ensure a better customer service experience. Our company values product quality and set up a complete quality control system and comprehensive detection means. The initial raw material of each product has been reinspected before sent into factory , and qualified products can be put into use. Manufacture procedure is equipped with quality control points and full-time inspectors. We aims strictly downstream process is superior to upper process. And 100% PMI detection of alloy steel, stainless steel before product storage. Over the years, we always adhere to the quality first, and keep improving, At home and abroad, our products are widely used in industries such as Power Plant, , Oil and Gas, Chemical Engineering, Building Industry, Municipal Engineering, Shipping Building and related industry.Good products and services are worthy of the company’s reputation all around the world. Besides standard products, we are able to develop and produce the related product according customer design and requirement. 
We insist "customer focus, honest in business, faithful in services, trusty in advertisement", Try to make the market leading products and to be reliable manufacturers by customers. Pay great attention to every detail, accurate to each number, refinement to every joint. "Give me a chance, bring you a surprise!" Sincerely welcome all customers to discuss cooperation.