The FCR/ PCR regulators offer maximum control and fuel efficiency on applications involving preheated air to the burners, or where burners are firing against varying back pressures.

• FCR/pcr流量调节阀具有最好的控制性能和最大的热效率，应用领域包括烧嘴预热空气，或者燃烧器工作在炉内压变化很大的情况下。