1. Name: weld neck flange
2. Size: NPS1/2"-NPS24", DN15-DN600
3. Work pressure: 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB
4. Materials: carbon steel and stainless steel
5. Steel grade: ASTM A105, ASTM A403 F304/F304L/F316/F316L/F321
6. Standard: ANSI B16.5, GOST, DIN, JIS
7.Technique: forged