API Adapter Spool Flanges are specialized components used to connect flanges of different sizes, pressure ratings, or configurations in accordance with API standards. 

• Standard Size: Start from: 2 1/16” To: 21 ¾”
• Pressure: From: 2000 To: 10000
• Psi Face: RF – FF – RTJ
• Material: AISI 4130
• Specification Level: PSL1