Wear -resisting feeding push -pull valve of pneumatic two -way wolfram steel

The utility model relates to a wear -resisting feeding push -pull valve of pneumatic two -way wolfram steel, it includes cylinder and valve body, on the cylinder was fixed in the valve body, its piston rod inserts the valve, and this was internal be provided with feed inlet and discharge gate on the valve body the tailpiece of the piston rod portion of cylinder is provided with the driving medium the upper and lower end of driving medium is provided with picture peg and lower picture peg respectively, go up picture peg and the sealed cooperation in the bottom of feed inlet, the picture peg lies in the wear -resisting pottery strip that the inside both sides of cylinder set up down, for unloading the room between picture peg and the discharge gate, come control flap's switch degree through the step -by -step solenoid valve that sets up on the cylinder down. The utility model has the advantages of sealing performance is good, and is high temperature resistant, and strong?resistance?to?abrasion opens and close t