Turkmenistan standards PDF

Heat Treatment Services—Batch Type for Equipment Used in the Petroleum and Natural Gas Industry. Original standard API St 20H-2020 (2025) in PDF full version. Additional info + preview on request

Document status: Active

Qualification of Distributors of Metallic Materials for Use in the Petroleum and Natura. Original standard API St 20J-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by St API St 20J-2022

Qualification of Distributors of Metallic Materials for Use in the Petroleum  and Natural Gas Industries. Original standard API St 20J-2017 (2020) in PDF full version. Additional info + preview on request

Document status: Active

Qualification of Distributors of Metallic Materials for Use in the Petroleum and Natura. Original standard API St 20J-2022 in PDF full version. Additional info + preview on request

Document status: Active

Qualification of Nonmetallic Seal Suppliers for Equipment Used in the Petroleum and Nat. Original standard API St 20L-2018 in PDF full version. Additional info + preview on request

Document status: Replaced by St API St 20L-2025

Qualification of Polymeric Seal Manufacturers for Use in the Petroleum and Natural Gas Industries. Original standard API St 20L-2025 in PDF full version. Additional info + preview on request

Document status: Active