MMB1.4*1.8 Water-proof Airtight Door Introduction
Water-proof Airtight Door is a kind of composite waterproof gate; It includes framework and ram, ram framework described in contact on one side of the clamp has the waterproof; Within the framework of the side runs and groove, groove release articulated and receive a lock wrench, runs against the groove on the lock wrench. Ram corresponding to the position of the lock wrench is equipped with a fixed frame, fixation described fixed shelf pin joint has gate lock pieces; Gate lock includes a "U" shaped parts, and a screw it is "U" shaped pieces of the adjusting bolt; When installation, need to turn the lock wrench, make the card into the "U" type a "U" shaped groove, then tighten the adjustment bolt, make the disc and frame fit closely, so as to achieve the waterproof purpose, the waterproof gate convenient dismantling, waterproof effect is good, and compared with electric waterproof gate, the cost is low.
For Example：MMB1.4*1.8 MMB(airtight door) 1.4(through the cave mouth net width 1400mm) 1.8(through the cave mouth net height1800mm)
Airtight door is used for underground drainage pump room to the bottom of the main substation and the main channel, easy to close, in order to prevent the water suddenly immersed.
MMB1.4*1.8 Water-proof Airtight Door Main Structure
1.The airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations. 2.door is channel steel, I-beam composite frame 3.tensioning device is a wedge-shaped wedge slide. 4.Hinges with rolling bearing support,Key components are sealing device.
MMB1.4*1.8 Water-proof Airtight Door Parameters
The airtight door maximum pressure is 98KPa,Based on cave mouth size, can be divided into four specifications
Model&Specification Drawing No.