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美國Posi-flate氣動執行器工作原理

點擊次數:1541 更新時間:2016-10-11

美國Posi-flate氣動執行器工作原理
Posi-flate Tork-Mate™氣動執行器890系列
Posi-flate氣動執行器890系列高達15,000,000 次循環...
美國Posi-flate新一代Tork-Mate 890系列長壽命氣動執行器 成功達到1.5千萬次循環,Tork-Mate 890系列執行器可以方便的用于90°與180°轉換裝置中,如:蝶閥,球閥,帶插銷閥,節氣閘閥并滿足了NAMUR標準。
Advantages
The Tork-Mate 890 series extended life actuators are ideal for the operation of 90° turn devices such as butterfly valves, ball valves, plug valves, damper valves and other devices. Tork-Mate pneumatic actuators have features that are unique, providing many benefits to the user looking for worry-free service.
TMHC 2324
A proprietary two-step hardcoat process that offers superior protecion on interior and exterior housing surfaces. TMHC 2324 also ensures maximum life from the piston seals, piston bearings and heel bearings.
NAMUR Mounting
Tork-Mate 890 series actuators meet the latest NAMUR standards, allowing direct or close coupling of NAMUR designed accessories. The pinion interface features a positive, international standard drive for positioners, switches and other accessories. The solenoid interface allows direct acceptance of any NAMUR designed control valves.
Modular
Easily removable end caps and modular spring packs simplify the conversion from double-acting to spring-return configurations.
Travel Adjustment
The Tork-Mate 890 series actuators feature pinion travel stops that allow a full +/-10° of valve travel adjustment. As an option, extended stroke adjustment screws can be added for inexpensive throttling applications.
Extended Cycle Life
Special piston seals provide greatly extended life compared to standard O-ring actuators. All other bearings, seals and components have been engineered to provide superior and extended service lives.
Blow-out Proof Pinion Gear
In addition to the stainless steel pinion retaining ring, the Tork-Mate 890 series actuators feature a unique internal safety bar.
Operating Ranges
Tork-Mate 890 series double-acting actuators produce guaranteed minimum torque outputs up to 17,466 inch pounds (1973 Nm).
Custom Options
These include Viton? seals, high temperature trim up to 250° F (121° C), special finishes, stainless steel pinions, special mounting configurations and special coupling configurations.  美國Posi-flate氣動執行器工作原理

上一篇 美國NASON壓力開關的注意事項 下一篇 Ashcroft防爆壓力開關a系列性能特點

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