DN250 caliber pneumatic valve Description: Product Name: DN250 caliber pneumatic valve Product Description: DN250 caliber pneumatic valve Details: Air - a manual conversion device operating essentials, carbon steel valve pneumatic --- manual (no air) open balancing valve, turn off gas supply to easily turn the hand wheel, and gradually the handle refers to the passage of the manual card position; handwheel counterclockwise off valve clockwise to open the valve. 2. Manual ---- pneumatic (with gas source) open air, close Valves; DN250 caliber pneumatic valve main technical parameters: Model output torque (N) opening and closing time (s) output signal operating pressure (MPa) consumption gas (m2) air signal electrical SQZ-140-50 type 282 2-4 20-100KPa 0-10mAdc 0.4-0.6 0.00079 SQZ-160-100 type 635 5-8 0.00206 SQZ-200-150 type 8876-10 0.00750 SQZ-250-200 type 1130 7-12 0.00153 SQZ-280-250 type 2216 9-14 0.0216 SQZ-320-300 type 2895 10-15 0.0352 SQZ-350-350 type 3463 12-18 0.0462 SQZ-400-400 type 4523 14-20 0.0563 SQZ-450-450 type 5725 16-22 0.0692 SQZ-500-500 type 7068 15-24 0.0965 SQZ-600-600 type 975318-30 0.1358 Source: http: //www.bxgst.net /zfax/1238.html