Q: pneumatic butterfly valve at ordinary times repair protect cylinder former adjustment way and pay attention to the things of project a: 1. Solenoid valve and the muffler seizing protection and nurse every 6 months to protect electromagnetic valve of seizing the former main seizing solenoid valve to have dirty items plug, whether the valve core activities, silencer have dirty item block, is broad. Such as grease lack or already dry solid, the cylinder must be disassembled aspects do protect aftercare thoroughly after this add lubricating oil. 5. Cylinder with the valve body to install solution and pay attention to the things of the valve with the external force in closed condition, namely clockwise until the valve plate and valve seat valve shaft tightly closed contact, at the same time puts cylinder and close the valve ( The cylinder shaft above the small groove and into a straight cylinder body condition, close the valve clockwise for valve) And then the cylinder to the valve ( Installation direction parallel to the valve body or straight) , to see if the screw hole is, won't have too big deviation, if there is a small deviation, rotating the cylinder block is ok, and then tighten screw. 2. Marine valve cylinder seizing protection rehabilitation planning daily completes the cylinder surface cleaning and cylinder axis of rotation circlip refueling, regularly every 6 months to open cylinder end cover seizing cylinder in presence of clutter and nutrient, and lubricating oil. If the adjustment found during the operation of the valve at the beginning of the open valve position is slow, but as long as the action soon after this, this kind of thing is too tight shut off the valve is just put the cylinder stroke loud ( The ends of cylinder stroke adjustment screw to adjust a bit at the same time, run the valve to open position during debugging, and then dispatch air off again) Easily transferred to the valve is opened and closed in place does not leak. Pneumatic butterfly valve adjustment, seizing valve fittings are installed everything first, electromagnetic valve, muffler, etc. , if there is not everything, can't adjust, for a normal atmospheric pressure force is zero. 6MPA& plusmn; 0. 5 mpa, run before the guarantee without sundry card in the valve plate in the valve body, adjust the run for the first time with manual operating electromagnetic valve manual button ( Manual operation when the solenoid coil electric, manual operation only works; Electric control operation is put manual twist at 0, electric operation only works, 0 to close the valve, one was an open valve, quick open valve, valve losing electricity if you need to close the valve, open valve, install the solenoid coil rotating 180 degrees) And take a closer look at the valve operation conditions. If a tuning is too small, may make the valve is not action. If silencer for adjustable muffler, can adjust the speed of valve and the muffler must be adjust to adapt to the opening of the valve switch speed. After add good lubricating grease to press down the order and parts of the split down the order installation, must pay attention to the position of the gear and rack, must guarantee the open valve position or piston shrinks to the inside to the location of the tooth top pulley groove parallel to the cylinder block, valve position when the piston to the outside to the location of the tooth top pulley groove and the cylinder block straight. On each device can be executed after finishing thoroughly, add lubricating oil, add grease parts as follows: the cylinder wall and piston tightly closed circle, rack and the back ring, and pulleys and tightly closed circle. Air is clean and tidy no nutrients. 4. Cylinder block disassemble and assemble solution and pay attention to the things of the cylinder detached from the body, take the cylinder heads and dismantling, open when the piston must be pay attention to the direction of the piston rack, and then use outside the cylinder shaft clockwise to keep the piston to run to the outside and then close the valve hole slowly ventilation gently with atmospheric pressure to the piston top out, but this method must pay attention to the ventilation, slowly or piston will suddenly, some dangerous! And then remove the cylinder shaft cotter, cylinder shaft can take out from the other end. 3. Body, check check every 6 months seizing the body appearance is satisfactory, install the flange leaks, if convenient seizing tightly closed the valve body is satisfactory, no abrasion, and valve plate operation is flexible, there are no foreign bodies stuck valve. 。 Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. 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