羅曼塞立格Avery Hardoll型自密封快速接頭（Self Sealing Dry Break Coupling) 用于海工裝載、航空燃料輸送、化學(xué)品裝載、石油汽柴油輸送或醫(yī)藥食品行業(yè)的流體輸送，確保連接和斷開(kāi)過(guò)程沒(méi)有泄漏產(chǎn)生，保障操作環(huán)境安全和清潔。閥體材質(zhì)有不銹鋼（Stainless Steel)、黃銅（MN）、鋁合金（Aluminium\AL） ,口徑有寸（inch）、.寸（inch）、寸（inch）、.寸（inch）、寸（inch）、寸（inch）、寸（inch）、寸（inch）等多種口徑，工作壓力為bar（psi或.MPa） We design and build a wide range of helicopter refueling systems for offshore, marine and land based applications, some are bespoke but wherever possible, we try to promote standard configurations for reasons of economy for both ourselves and our customers.