Hole sealing equipment consists of three different types of machines: a hole punch, a sealing device, and a lower sealing device. They share a common frame, which is composed of a sector gate valve, upper and lower connectors, left and right positioning fixing devices, temporary bypass connections, relief valves, and pressure gauges. The frame serves as a support for the hole punch, sealing device, and lower sealing device, and utilizes its left and right fixing devices to securely connect and clamp the running PE pipeline. The lower connector is connected to the PE piping components and sealed; the upper connector connects to the hole punch, sealing device, and lower sealing device respectively, and is sealed. The sector gate valve is an essential device for opening and closing during the equipment spring change in the hole sealing process. The frame is made of aluminum alloy, treated with anodizing, and features high surface hardness, corrosion resistance, wear resistance, and light weight.