Feature:
1. Back up ring: Absorbs thrust applied by internal pressure
2. Thrust ring: Protects the soft metallic gasket from deformation
3. Gasket: Unique angular design provides superior sealing

Standard:
Standards compliance
Design and Manufacture: ANSI B16.34,BS1873
Face to face(end to end): ANSI B16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API598.

Structure:

Main part and material