Stainless Steel 316L Metal Joint Hydraulic Silicone Plain Seal Gasket Ring with API. API 6A Compliance: Fully meets API 6A and ASME B16.20 standards for critical service applications. Extreme Pressure Sealing: Provides reliable metal-to-metal sealing under pressures up to 20,000 psi. Multiple Material Options: Available in Stainless Steel 304, 316, 316L, and various alloys like Alloy 625. Blow-Out Proof Design: Confined ring groove design prevents extrusion or blowout under high pressure. Bi-Directional Sealing: Capable of sealing pressure from either direction without modification. Reusability: Often reusable after disassembly if undamaged, reducing long-term maintenance costs. Customization Available: Offers full customization, minor customization, and customization from designs.