Meet the requirements of API 600 - ISO 104 34 / BS 1414 / API 603 / API 6D-ISO 14313 /ASME B 16.34
Face to Face and End to End dimensions conform to ASME B 16.10 / ISO 5752 / BS 2080 / DIN
End flange dimensions conform to ASME B 16.5 / ISO 7005-1 / API 605 / BS 3293 / DIN
Butt weld end dimensions conform to ASME B 16.25
The Body to Bonnet joint is flat in ISO PN 20 / ASME 150# valves, a male and female joint is used in PN 50 / 300# & PN 110 / 600# and ring joint is used in higher classes
Valves meet the requirements of fugitive emission levels Shell category B as per MESC SPE 77/312