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珠海康寶萊儀表有限公司
珠海康寶萊儀表有限公司
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661系列帶偏壓放大繼電器Fixed-gain force and bias adjustment mechanisms amplify pneumatic instrument signals to provide control circuit design flexibility
661系列帶偏壓放大繼電器Amplifying Relays with Bias
Pneumatic signal conditioning provides control circuit design flexibility Powder coating provides improved corrosion resistance
661系列帶偏壓放大繼電器Amplifying Relays with Bias
Pneumatic signal conditioning provides control circuit design flexibility
Powder coating provides improved corrosion resistance
661系列Amplifying Relays with Bias
The Model 66 Amplifying and Reducing Relays are used to increase or decrease control-circuit pressure signals.
Its input pressure, acting upon the effective area of the top diaphragm, produces a force that is balanced by the force produced by the output pressure applied over the effective area of the lower diaphragm. Any imbalance in these opposing forces will operate the plunger, increasing or decreasing air supply to the output chamber. （The amplifying or reducing ratio is fixed by the ratio of input-to-output diaphragm areas.）
An increase in input opens the pilot valve to admit supply air directly to the output. A decrease in input opens the exhaust port to exhaust air from the output.
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