We can supply American standard, British standard, en standard, and other special requirements. Both class 150# and class 300# available, and size ranges from 1/8" to 6". The brief introduction as follows:
American standard
Materials: ASTM a-197, ASTM A47
Dimensions: Asme b16.3, b16.14, b16.39 (union dimensions)
Threads: ANSI b1.20.1
British standard
Materials: ASTM a-197, ASTM A47
Dimensions: Bs en 10242, bs 143 & 1256
Threads: ISO 7/1
En standard
Materials: ASTM a-197, ASTM A47
Dimensions: ISO49, DIN2950
Threads: ISO 7/1
Established on a faithful relationship and honest cooperation, survia exp&imp trading Co., Ltd. is a manufacturer and trader specialized in the research, development and production of surveying products. Everybody in our team is working on surveying production for more than 5 years.
We are located in nanjing, jiangsu province, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
Your valuable advice is also highly appreciated!
