KSB ECOLINE-SC美标旋启式止回阀的密封副配对*合理，阀瓣、阀座密封面采用铁基合金或司太立（Slite）钴基硬质合金堆焊面成，耐磨、耐高温、耐腐蚀、抗擦伤性能好，使用寿命长；可采用各种配管法兰标准及法兰密封型式，满足各种工程需要及用户要求；阀体材料品种齐全，垫片可根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。可按用户要求设计制造不同结构形式和连接形式的止回阀，为各种设备配套使用。广泛应该于炼油厂，发电厂，处理工程和一般工业水，蒸汽，油，气。
KSB ECOLINE-SC pairing ANSI flange seal pair advanced and reasonable check valve, the valve seat sealing surface using iron-based alloy or Slite (Slite) cobalt-based alloy cladding into the surface, wear resistance high temperature, corrosion-resistant, anti-abrasion performance, long life; can be a variety of standard pipe flanges and flange sealing types to meet various project needs and user requirements; full range of body materials, gaskets, according to the actual work conditions or user requirements reasonable matching can be applied to all kinds of pressure, temperature and medium conditions. Users can design and manufacture different forms and connections in the form of a check valve structure for a variety of equipment for use. Widely believed to refineries, power plants, process engineering and general industrial water, steam, oil and gas.
设计标准：
设计与制造按API 6D、BS 1868、ASME B16.34
结构长度按ASME B16.10、API 6D
法兰连接尺寸按ASME B16.5、ASME B16.25、ASME B16.47
检验和测试按ISO 5208、API 598、BS 6755
设计规范：
KSB ECOLINE-SC美标旋启式止回阀设计，BS1868。 A216 WCB铸钢，修剪8（slite/13％Cr）的类150/300/600，修剪5（司太立/司太立）为600级。压力/温度等级ASME B16.34。面对面的长度ASME B16.10。 ASME B16.5的法兰尺寸。测试API 598。螺栓盖。内部安装铰链（2“-12”）。不锈钢和石墨垫片。
结构尺寸：