... gaskets, etc. All our gaskets are manufactured according to API 6A, and ISO 9001:2000, which is interchangeable with those standard ... , IX1000, IX1050, IX1100, IX1150, IX1200. Certificate: API 6A, ISO9001: 2000 Pressure: PN2.0(CLASS150)-PN42.0(CLASS2500) Standard: ASME B16.20 HG20612 HG20633 ...