... face:ANSI B16.10 Tubing flange:BS,DIN,JIS,ANSI, The double eccentric valve is designed by DIN standard from ... the working pressure is PN10/16.Feature: 1. The double eccentric structure reduces friction of the sealing ring, providing ... with the latest international standards of ANSI,DIN, JIS,BS.and the dimensions are 1 1/2"-30 ... for business cooperation and visit our company. butterfly type check valve