For long-distance oil and gas transmission pipeline projects, valve failures and subsequent on-site rework are major headaches for EPC contractors and pipeline operators. Internal leakage, external body leakage, abnormal operating torque and seal damage often lead to project delays, shutdown losses
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Trunnion mounted ball valves with GBT 21385 certification are designed for urban gas pipeline networks, effectively solving large-bore opening & closing challenges such as high torque, seal leakage and unstable operation.
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In sour gas production, how do trunnion mounted ball valves resist hydrogen embrittlement and sulfide stress cracking? This article explains material selection, hardness control, sealing design, and inspection practices under NACE MR0175 / ISO 15156.
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For long-distance oil and gas transmission pipeline projects, valve failures and subsequent on-site rework are major headaches for EPC contractors and pipeline operators. Internal leakage, external body leakage, abnormal operating torque and seal damage often lead to project delays, shutdown losses
Trunnion mounted ball valves with GBT 21385 certification are designed for urban gas pipeline networks, effectively solving large-bore opening & closing challenges such as high torque, seal leakage and unstable operation.
In sour gas production, how do trunnion mounted ball valves resist hydrogen embrittlement and sulfide stress cracking? This article explains material selection, hardness control, sealing design, and inspection practices under NACE MR0175 / ISO 15156.
