1) Design and manufacture standard: API 608
2) Test standard: API 598
3) End connection standard: ASME B16.5
4) Face-to-Face standard: ASME B16.10

Specifications
1) Class: 150 lbs / 300 lbs
2) Size: NPS 1"-36"
3) Body material: ASTM A216 WCB, ASTM A351 CF8, CF8M