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簡介：
德國vatten VA系列氣動執(zhí)行器是設計緊湊、壽命長、質量高、齒條活塞式的氣動執(zhí)行器。該產(chǎn)品用于90°旋轉的閥門中，例如蝶閥、球閥、風門閥等。采用德國先進的生產(chǎn)工藝和工藝技術在產(chǎn)品質量和性能上做出了VATTEN獨特，鮮明的可觀價值。
指示器
每一個標準產(chǎn)品上都裝有一個蝶式開關指示器
輸出軸
鍍鎳合金鋼、高精密一體式
輸出軸同時符合NAMUR、ISO5211、DIN3337標準。
缸體
缸體材質為鋁合金，內外表面經(jīng)過陽極氧化及拋光處理到45-50u。同時外部經(jīng)過鍍鎳處理，使氣動執(zhí)行器的防腐性能大大提高。內徑缸體經(jīng)過抗磨處理保證了活塞摩擦力小值。
端蓋
鋁制壓鑄，環(huán)氧樹脂高溫處理，防腐性能極好！
活塞
鋁合金重型壓鑄而成，帶有優(yōu)質密封件，使執(zhí)行器在一定輸入壓力下輸出的扭矩。安裝位置對稱、運作迅速、使用壽命長，簡單的顛倒活塞就可以改變旋轉方向。
行程微調
通過兩個螺栓進行+ -5°微調并在0°和90°兩個位置進行微調，稱為雙保險微調。
重型負載彈簧
德國進口彈簧VATTEN工藝 復合高強度彈簧高強度合金鋼制作保證了性能穩(wěn)定、壽命長。
密封
采用NBR-70橡膠密封圈，確保執(zhí)行器在正常溫度下運行可靠。如果特殊環(huán)境需要低溫和高溫可選用氟橡膠的特質密封圈（采用時備注詳細）。
德國VATTEN 是氣動執(zhí)行器制造商06年進駐中國市場在上海閔行擁有年出口額12000W的生產(chǎn)基地歡迎新老客戶光臨指導。

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Maintenance & Operating Instructions

VATTEN? ACTUATOR OPERATIONNOTE: For optimal operation, VATTEN actuators should be run with a supply of clean, lubricated air.SPRING RETURN ACTUATORSAir to PORT 2 (the right hand port) causes the actuator to turn CCW. Loss of air to PORT 2 causes air toexhaust and the actuator turns CW. This is the FAIL CLOSE operation.DOUBLE ACTING ACTUATORSAir 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 ACTUATORSIMPORTANT: Before beginning disassembly, ensure that the air supply to the actuator has been disconnected, allaccessories 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 returnactuator, alternate 3 to 5 turns on each fastener until the springs are completely decompressed. Use caution inremoving 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 thepinion. (NOTE: Low pressure air--3 to 5 P.S.I. MAXIMUM--might be required to force the pistons completelyfrom the body.) Note the position of the pistons before removing them from the actuator body. The part numbersof 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. Allreplacement parts may now be put in. VATTEN recommends that all wear parts (3, 4, 5, 6, 12, 13, 14) bereplaced before reassembly.REASSEMBLING STANDARD ACTUATORSIMPORTANT: 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 totheir original orientation. (NOTE: The normal operation of all VATTEN actuators is FAIL CLOSED. If you wantto 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 positionin the end cap from which they were removed. (NOTE: In some circumstances, you might want to change thestandard 80 pound spring set to fit your application and available air pressure. Changing the spring sets onVATTEN actuators requires no special tools. Please refer to the spring combination torque chart in our catalogfor 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 pressureair to the actuator to ensure that no bubbles are produced.

雙作用氣缸   單作用氣缸  生產(chǎn)廠家價格便宜  上海老品牌