Pig cylinder is for cleaning, pipeline dredge, quick opening device for fixed container inspection, cleaning and set in the mouth, also with the valve opening. It is widely used in petroleum, chemical industry, light industry, building materials and other industries, especially in the production of oil pipeline, the pipeline cleaning operation has played an important role, is an indispensable equipment. Fast opening blind features are: good sealing performance, rapid start, easy operation, safe and reliable, it is the main equipment of pipeline pigging system, suitable for sending and receiving various types of pipe cleaner, can be used as a transceiver device of various pressure vessels.

The design of the receiver and receiver is based on the advanced foreign products, with advanced structural form, which makes the product structure more simple, reliable sealing, convenient manual operation, reasonable strength reserve and safe use. With its unique structure and open device safety seal structure has been widely used in petroleum, chemical industry, natural gas industry, pipeline pigging, and the need for equipment and containers often open on the first quick opening device. Flexible receiving and transmitting tube, which is installed in the terminal of all kinds of pipelines and pressure vessels to meet the need of fast and frequent entry into the pressure vessel. Flexible clamp type fast opening blind plate can make the meson horizontal or vertical pipe into the separator, filter, combined device, separator or any pressure vessel. Compared with other fast blind boards, it works at an unusual speed.