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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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.
