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客戶放心使用的上海VT雙作用氣缸

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產品價格: 1000/人民幣 
最后更新: 2015-02-10 15:10:27
產品產地: 閔行經濟開發(fā)區(qū)
發(fā)貨地: 閔行經濟開發(fā)區(qū) (發(fā)貨期:當天內發(fā)貨)
供應數量: 不限
有效期: 長期有效
最少起訂: 1
瀏覽次數: 212
詢價  試用會員產品
  • 公司基本資料信息
    • 上海法登閥門有限公司
    • 王君小姐 銷售
    • 會員[試用會員產品]
    • 郵件382295762@qq.com
    • 手機13061902132
    • 電話
    • 傳真
    • 地址上海市閔行區(qū)銀康路160弄30號12層
    • 進入商鋪
     
    產品詳細說明
    VATTEN® ACTUATOR OPERATION
    NOTE: For optimal operation, VATTEN actuators should be run with a supply of clean, lubricated air.
    SPRING RETURN ACTUATORS
    Air to PORT 2 (the right hand port) causes the actuator to turn CCW. Loss of air to PORT 2 causes air to
    exhaust and the actuator turns CW. This is the FAIL CLOSE operation.
    DOUBLE ACTING ACTUATORS
    Air to PORT 2 (the right hand port) causes the actuator to turn CCW. Air to PORT 1 (the left hand port)
    causes the actuator to turn CW.
    DISASSEMBLING STANDARD ACTUATORS
    IMPORTANT: Before beginning disassembly, ensure that the air supply to the actuator has been disconnected, all
    accessories have been removed and that the actuator has been dismounted from the valve.
    1. Loosen the end cap fasteners (22) with a wrench (size varies depending on actuator model). On the spring return
    actuator, alternate 3 to 5 turns on each fastener until the springs are completely decompressed. Use caution in
    removing the cap since the springs are under load until the fasteners are fully extended.
    2. Remove the pinion snap ring (10) with a lock ring tool. The indicator (7) may now be removed.
    3. Turn the pinion shaft (2) CCW until the pistons are at the full end of travel. Disengage the pistons (11) from the
    pinion. (NOTE: Low pressure air--3 to 5 P.S.I. MAXIMUM--might be required to force the pistons completely
    from the body.) Note the position of the pistons before removing them from the actuator body. The part numbers
    of the pistons are located on the side and should be right-side up on an actuator with a standard orientation.
    4. Remove the pinion through the bottom of the actuator. The actuator is now completely disassembled. All
    replacement parts may now be put in. VATTEN recommends that all wear parts (3, 4, 5, 6, 12, 13, 14) be
    replaced before reassembly.
    REASSEMBLING STANDARD ACTUATORS
    IMPORTANT: Be sure that the actuator surfaces are free of grit and scratches before reassembling.
    1. Apply a light film of grease to all o-rings and the pinion before replacing.
    2. Put the pinion (2) back through the actuator with the flats of the pinion shaft running parallel with the body.
    3. When reassembling the actuator, make sure that the piston racks are square to the actuator body and returned to
    their original orientation. (NOTE: The normal operation of all VATTEN actuators is FAIL CLOSED. If you want
    to change the orientation to FAIL OPEN, rotate the racks 180º to create a reverse operation.
    4. When replacing springs in a spring return actuator, ensure that the springs are replaced in their identical position
    in the end cap from which they were removed. (NOTE: In some circumstances, you might want to change the
    standard 80 pound spring set to fit your application and available air pressure. Changing the spring sets on
    VATTEN actuators requires no special tools. Please refer to the spring combination torque chart in our catalog
    for the inner and outer spring combinations that will allow you to operate with the spring set that you desire.
    5. Seal the end caps with a petroleum lubricant and bolt to actuator body.
    6. Check the seal of the actuator by covering seal areas (pinion, end caps) with soapy water and using low pressure
    air to the actuator to ensure that no bubbles are produced.

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