Products
Shuangda Valve CO.,LTD (hereafter called SDV)
JIS Flange Connection Metallic Seal Butterfly Valve
Design & Manufacture Standard
1.Design Manufacture According to JlSB2032.
2.Face to Face According to lS05752 of 13″ seria.
3.End Flange Dimension According to JlSB2003-1987.
4.Valve Check and Test According to JlSB2003-1987.
