■ 结构长度符合EN 588-1
■ 法兰连接尺寸符合EN 1092-1
■ 适用尺寸：DN50~DN1000
■ 适用温度：-20℃~110℃
■ 阀体：灰铸铁/球墨铸铁
■ 阀板：球墨铸铁/不锈钢
■ 密封圈：EPDM NBR
KSB SERIE2000 PN16双板式止回阀结构特性：
■ 重量轻，紧凑的对夹式结构
■ 性能优异，具有气密性关闭性能的弹性阀座。
■ 双弹簧均匀分布负载力，反应更加迅速
■ 阀门衬里：可提供几种合成橡胶材料，满足大多数腐蚀性应用需求
■ 安装位置的灵活性
■ 减少压力损失，改善动态响应特性，消除阀门振动现象。
Design details
Design
▪ Single-piece wafer-type body for long operating reliability
and corrosion protection
▪ Dual-plate design
▪ metal/elastomer-seated
▪ Tight shut-off
metal/elastomer-seated to EN 12266-1, Leakage rate A,
and ISO 5208 Category A
▪ Face-to-face length to API 594 Class 125, except DN 65 to
300 (2 ½" to 12")
▪ Installation between flanges to PN 10, 16 and ASME B16.1
Class 125
▪ Marked in accordance with EN 19
▪ Exterior coating: polyurethane coating, thickness 80 μm,
RAL 5002 blue
▪ The valves made of lamellar graphite cast iron satisfy the
safety requirements of Annex I of the European Pressure
Equipment Directive 97/23/EC (PED) for fluids in Group 2.
▪ The valves meet the requirements of the REACH 1907/2006
regulation. None of the substances listed in the candidate
list and in Annex XIV of the regulation is present in a
concentration above 0.1 % (w/w) (Article 33/REACH).
KSB止回阀尺寸
