Flexible lift gate is a flexible soft curtain door, inside and outside the two curtains, curtains used between the aluminum beams connected with a vertically movable rail, the roof beams have levels not in the same straight line and hangar large plants in particular be applicable. Flexible lift door installation does not take up interior space in the hole inside. When the fiest move to open the door, and finally superimposed over the hole. Off event curtain rail first and then fall down until it is completely closed. Flexible Gate,Flexible Pvc Aircraft Folding Up Door,Steel Structure Fabric Flexiile Door,Exterior Automatic Flexible Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.pvchighspeeddoor.com
Forged steel gate valve has three kinds of body cover connection design. The first is the body cap bolts connected forged steel gate valve, designed according to the form of this connection valve, the valve body and the valve cover bolted, wound gasket seal, the advantage of easy maintenance. The second kind of body cover welding connection forged steel gate valve, designed according to the connection form of the valve, the valve body and the valve cover all welded seal, the advantage of no external leakage. The third is pressure self-tightening valve forged steel gate valve, according to the form of connection design of the valve, the valve body and the valve cover with mosquito connection, the pressure from the sealing ring seal, the advantage of the greater the internal pressure, the seal The better the performance