Turkmenistan standards PDF

Plate-and-Frame Heat Exchangers. Original standard API St 667-2022 in PDF full version. Additional info + preview on request

Document status: Active

Brazed Aluminum Plate-fin Heat Exchangers. Original standard API St 668-2018 in PDF full version. Additional info + preview on request

Document status: Replaced by St API St 668-2025

Brazed Aluminum Plate-fin Heat Exchangers. Original standard API St 668-2025 in PDF full version. Additional info + preview on request

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Machinery Protection Systems. Original standard API St 670-2025 in PDF full version. Additional info + preview on request

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Special-purpose Couplings for Petroleum, Chemical, and Gas Industry Services. Original standard API St 671-2020 (2024) in PDF full version. Additional info + preview on request

Document status: Active

Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services. Original standard API St 671-2020 (2026) in PDF full version. Additional info + preview on request

Document status: Active