美国humphrey阀门、控制器（汉弗莱）美国-气阀：气控阀机控阀手控阀脚踏阀；真空阀；电磁阀；气缸；气动元件。坚固的阀体结构使得humphrey气阀(气控阀机控阀手控阀)尤其适用于恶劣环境，并有不锈钢阀体提供.MRC-45004,502.7250300170207MRC-54005,401.2250300160207550MRC-65006,504.1250300130237800796.0230.0450.0864.0600.025.0MRC-70006,995.0250300130247MRC-85008,525.6250300130247MRC-95009,542.7250300110247921N/AN/AN/AN/AN/AN/A)