1. Product Enfored Standard:
Design & manufacture std. :HG/T 21637
Face to face std. : GB/T12221
End connection Std. : JB/T 79
Test standard: JB/T 9092

2. Major Parameter:
Size: 2-36
Pressure: PN10, PN16, PN25
Material: cast iron HT200, HT250, ductile iron GGG50, A216WCB, A217WC6, A217WC9, A351CF8, A351CF8M, A351CF3, A351CF3M, A352 LCB, A352LCC