AR Air Regulators in multiple burner systems, hold constant air-fuel ratio and the mixture pressure with reducing burnerAR空气调节阀用于多炉头系统，保持恒定的空气燃料比和混合气压力。
The regulator holds a constant air-fuel ratio from cold start-up through hot air operation.调节阀能够从冷启动到热空气运行一直保持恒定的空气-燃料比例。