KSB ECOLINE-SC美標旋啟式止回閥的密封副配對*合理，閥瓣、閥座密封面采用鐵基合金或司太立（Slite）鈷基硬質合金堆焊面成，耐磨、耐高溫、耐腐蝕、抗擦傷性能好，使用壽命長；可采用各種配管法蘭標準及法蘭密封型式，滿足各種工程需要及用戶要求；閥體材料品種齊全，墊片可根據實際工況或用戶要求合理選配，能適用于各種壓力、溫度及介質工況?？砂从脩粢笤O計制造不同結構形式和連接形式的止回閥，為各種設備配套使用。廣泛應該于煉油廠，發電廠，處理工程和一般工業水，蒸汽，油，氣。
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.
設計標準：
設計與制造按API 6D、BS 1868、ASME B16.34
結構長度按ASME B16.10、API 6D
法蘭連接尺寸按ASME B16.5、ASME B16.25、ASME B16.47
檢驗和測試按ISO 5208、API 598、BS 6755
設計規范：
KSB ECOLINE-SC美標旋啟式止回閥設計，BS1868。 A216 WCB鑄鋼，修剪8（slite/13％Cr）的類150/300/600，修剪5（司太立/司太立）為600級。壓力/溫度等級ASME B16.34。面對面的長度ASME B16.10。 ASME B16.5的法蘭尺寸。測試API 598。螺栓蓋。內部安裝鉸鏈（2“-12"）。不銹鋼和石墨墊片。
結構尺寸：