产品描述
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Fred-RD 系列执行器零件、材料一览表
Fred-RD Series Actuators Parts and Material Table
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序号
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名称
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数量
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材料
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1
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指示器螺钉
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1
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塑料
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|
2
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指示器
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1
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塑料
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|
3
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弹性挡圈
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1
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不锈钢
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4
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垫片
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1
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不锈钢
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5
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外垫片
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1
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工程塑料
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6
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缸体
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1
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铝合金
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7
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上轴"O"型圈
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1
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氟橡胶、丁腈橡胶
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8
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上轴支承圈
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1
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工程塑料
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9
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内垫片
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1
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工程塑料
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10
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轴
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1
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合金钢
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11
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下轴支承圈
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1
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工程塑料
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12
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下轴"O"型圈
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1
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氟橡胶、丁腈橡胶
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13
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塞头
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2
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橡胶
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14
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活塞
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2
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压铸铝/铸钢
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15
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活塞"O"型圈
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2
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氟橡胶、丁腈橡胶
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16
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活塞支承圈
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2
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工程塑料
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17
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活塞导板
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2
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尼龙66
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18
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弹簧
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*
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弹簧钢
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19
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弹簧左套
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*
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尼龙66
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20
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弹簧右套
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*
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尼龙66
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21
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弹簧套连杆
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*
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铜
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22
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端盖"O"型圈
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2
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氟橡胶、丁腈橡胶
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23
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端盖
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2
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压铸铝合金
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24
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端盖紧固螺杆
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8
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不锈钢
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25
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调节螺杆
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2
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不锈钢
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26
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调节螺杆螺帽
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2
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不锈钢
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27
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调节螺杆垫圈
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2
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不锈钢
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28
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调节螺杆"O"型圈
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2
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氟橡胶、丁腈橡胶
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|
|
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NO.
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Description
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Qty
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Standards Material
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1
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Indicator Screw
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1
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Plastic
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2
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Indicator
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1
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Plastic
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3
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Snap Ring
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1
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Stainlesssteel
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4
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Washer
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1
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Stainlesssteel
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5
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Outside Washer
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1
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Engineering Plastics
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6
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Body
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1
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Alluminum Alloy
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7
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O-ring(Top)
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1
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Viton/NBR
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8
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Bearing Top
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1
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Engineering Plastics
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9
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Inside Washer
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1
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Engineering Plastics
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10
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Pinion
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1
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Alloysteel
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11
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Bearing Bottom
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1
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Engineering Plastics
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12
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O-ring Bottom
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1
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Viton/NBR
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13
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Plug
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2
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NBR
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14
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Piston
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2
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Die-casting alluminum/steel
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15
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Piston O-ring
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2
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Viton/NBR
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16
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Piston Bearing
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2
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Engineering Plastics
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17
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Guide Piston
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2
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Nylon 66
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18
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Spring
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*
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Spring steel
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19
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Spring Retainer(L)
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*
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Nylon 66
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20
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Spring Retainer(R)
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*
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Nylon 66
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21
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Retainer Connector
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*
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Brass
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22
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End-Cap O-ring
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2
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Viton/NBR
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23
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End-Cap
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2
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Die-casting alluminum
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24
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End-Cap Stop Screw
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8
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Stainlesssteel
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25
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Adjust Screw
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2
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Stainlesssteel
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26
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Adjust Screw Nut
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2
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Stainlesssteel
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27
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Adjust Screw Washer
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2
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Stainlesssteel
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28
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Adjust Screw O-ring
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2
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Viton/NBR
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|
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Fred气动执行器的设计特点
Fred气动执行器结构
Construction of Fred Pneumatic Actuator |
 挤压铝质(ASTM6005)缸体，内表面细磨精加工，内部和外部均采用高级防腐技术，气缸摩擦系数小，使用寿命长，抗腐蚀性能强。
双活塞齿轮齿条式设计，结构紧凑、安装位置对称、改变输出轴转向方便，使用寿命长、动作迅速。
活塞齿条背面装有复合轴承及导向环，动作精确、摩擦系数小、使用寿命延长。
组合式预负荷镀层弹簧，工作寿命长。
高精度齿轮和齿条，啮合间隙小、精度高，输出功率大。
不锈钢紧固件，安全美观，抗腐蚀性强。
采用国际规范尺寸：输出轴槽、螺孔；顶部安装孔尺寸符合NAMUR标准；气源接口尺寸符合NAMUR标准；底部安装孔尺寸符合ISO5211、DIN3337标准, 方便安装电磁阀、限位开关等附件。
Designing features of Fred-RD Series Pneumatic Actuator
Extruded aluminum ASTM6005 body with both internal and external corrosion protection having honed cylinder surface for longer life and low coefficient of friction.
Dual piston rack and pinion design for compact construction, symmetric mounting position, high-cycle life and fast operation, reverse rotation can be accomplished in the field by simply inverting the pistons.
Multiple bearings and guides on racks and pistons, low friction, high cycle life and prevent shaft blowout.
Modular preloaded spring cartridge design, with coated spring for simple versatile range, greater safely and corrosion resistance, longer cycle life.
Fully machined teeth on piston and pinion for accurate low backlash rack and pinion engagement, maximum efficiency.
Stainless steel fasteners for long term corrosion resistance
Full conformance to the latest specifications: ISO5211, DIN 3337 and Namur or product interchangeability and easy mounting of solenoids, limit switches and other accessories
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