Features: 1) Stainless steel flange and carbon steel flange
2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS
Features: 1) Stainless steel flange and carbon steel flange
2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS
3) Material: 316L, 316Ti, 304L, 321, 321H, Rst37.2, C22.8
4) OD: Up to 2, 500mm
5) Production with anneal solution for stainless performance
6) Special design available
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
Ningbo Nathan Machinery Co., Ltd. (Renyi Casting) is a professional OEM manufacturer, established in 2005, specializing in the supply of die casting, lost wax casting, sand casting, precision machining and metal products. We supply raw casting to final finish product. We use tried and tested casting suppliers, but perform all secondary machining and QC operations in-house.
Thanks to our experienced engineering team, skilled production operatives and strong relationship with key local sub-contractors, our company supplies a unique blend of manufacturing services to provide complete
Products to customers all over the world.
We are accredited to ISO 9001: 2008 quality management system through NQA, a UKAS recognized auditor. Our shop floor operate 5S methodology.
Our key advantage over other is our attitude toward quality. We know what's right, and not what just good enough. This is reflected in our quick response, technical analyze of drawings, proactive approach in passing on our production experience to help clients reduce cost and improve designs.
All in all, we aim to supply competitively priced quality products, with the aim of creating a long lasting cooperation for mutual benefit.
