JCL Marine centrifugal fan JCL(CLQ) Series Marine Centrifugal Fan 1. PREFACE JCL(CLQ)series centrifugal fans for marine or navy use for marine or navy use series fans are designed and manufactured according to the standards of the state for GB11865«Marine Centrifugal Ventilator»,GB11864«Marine Explosion-proof Axial Flow Fans» «Rules and Regulations for the Construction and Classification of Sea-going Steel Ships»and«Rules and Regulations for the Construction of PLA Naval Ships». This series of ventilators have been examined and proved up to stand by the Register of Shipping of china and have got the certificate. They are also approved by the authority of shipping equipment and research Staff. JCZ(CZ) Series marine axial flow fan for ship use CBZ series marine explosion-proof axial flow fans JCL(CLQ)series marine centrifugal ventilator fan CBL series marine explosion-proof centrifugal fan CZF series marine axial-flow fans CZT Series Marine Ventilation fan for ship use  CQ series Marine High pressure centrifugal ventilator CGDL Series marine or navy high efficiency low noise centrifugal fans CWL(CXL) series marine small-size Centrifugal fans CWZ series marine or navy small-sized axial fans CLZ series Marine high pressure axial-flow fans CDZ series Marine low noise axial fans for marine or navy use CBGD series marine explosion-proof (non-sparking) centrifugal fan CSL series centrifugal water power fans for marine use CSZ series water driven gas free axial flow fans for marine or navy use FT-A/B/C/D/E/F Type Marine mushroom air vent head