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  美国克雷恩52/54, 62/64系列蝶阀(1)
Crane 52/54, 62/64 Butterfly Valves

美国克雷恩阀门公司

  美国克雷恩系列52/54和系列62/64蝶阀和系列21和系列23蝶阀一样,贯彻“质量第一”的设计原则,除了系列52/54采用碳钢阀体、系列62/64采用316不锈钢阀体以外,其它主要特性都相同,包括:额定压力都是285 psi,酚醛制成的衬套阀座,精密准确的阀板轮廓,整体轴杆,四个轴支撑轴承。系列52/54和系列62/64重型蝶阀适用于当今许多管道系统中条件比较恶劣的、高压使用环境中。
  Crane Series 52 / 54 and 62 / 64 valves utilize the same proven design features as our Series 21 / 23 but are supplied with either a carbon steel (52 / 54) or 316 stainless steel (62 / 64) body. Both are rated to 285 psi. The design features include a phenolic-backed cartridge seat, precision profile disc, one-piece shaft, and four shaft support bearings. Series 52 / 54 and 62 / 64 heavy-duty butterfly valves are designed for the harsh operating conditions and high pressures encountered in many piping systems today.

  (1) 双D阀杆结构:非常适用于连接操作手柄或执行机构。
  (1) Double D Stem Configuration: Gives positive attachment for handles or actuators.
  (2) 轴保护密封:(在某些型号上,轴保护密封位于衬套下方。)
  (2) Shaft Weather Seal: (Below bushing on some models.)

  (3) ISO 5211执行机构法兰:适用于各种类型的执行机构:手柄,齿轮操作机构,电动执行机构和气动执行机构。
  (3) ISO 5211 Actuator Flange: Accommodates all types of actuators: handles, gear operators, electric actuators, and pneumatic actuators.
  (4) 一体化贯穿轴:确保阀门的强度、可靠性合阀板的精确定位。
  (4) One-Piece Thru Shaft: Ensures dependability and positive disc positioning.
  (5) 衬套(4):在三个位置上配置轴支撑,有利于轴校直和执行机构的支撑。(上面三个,下面一个)
  (5) Bushings (4): Furnishes shaft support at three locations for positive shaft alignment and actuator support. (3 top, 1 bottom)
  (6) O-环:有助于防止轴泄漏。
  (6) O-Ring: Helps prevent stem leakage.
  (7) 阀座表面:不需要使用阀兰垫圈。
  (7) Seat Face: Negates need for flange gaskets.
  (8) 光滑表面的阀板:这些阀板上的“配套”使得密封非常有效,防止泄漏到轴区域内。
  (8) Smooth Finished Disc Flats: These “mate” with seat flats to give a highly efficient seal; prevents leakage into shaft areas.
  (9) 精密准确的锥形销钉:增强防震保护,强化轴与蝶板的结合。可在现场更换。
  (9) Precision Taper Pin: Ensure positive, vibration proof, shaft to disc connection. Field replaceable.
  (10) 精密准确的蝶板轮廓:防止“泡紧”关闭困难,确保最大程度见效扭矩,延长阀座寿命。
  (10) Precision Profile Disc: Provides bubble-tight shut-off and assures minimum torque and longer seat life.
  (11) 酚醛背衬阀座:不可拆解,抗拉伸,抗撞击。现场可更换。
  (11) Phenolic Backed Seat: Non-collapsible, stretch resistant, blow out proof, field replaceable.
  (12) 支撑性轴密封:弹性材料与酚醛背衬环的紧密结合体,有效防止由于扭曲变形导致的轴泄漏。
  (12) Supported Shaft Seal: Bonding of elastomer to phenolic backing ring protects against distortion, a common cause of shaft leakage.

主要应用领域
Typical Applications
· 暖通空调 HVAC · 化工/石化加工 Chemical/ Petrochemical Processing · 食品和饮料 Food and Beverage
· 电厂和市政设施 Power and Utilities · 纸浆和造纸 Pulp and Paper
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