The cleaning pig produced by Shenyang Wensheng is mainly used for pigging, cleaning pipeline, removing wax and descaling by various kinds of gathering and transportation pipeline during industries of petroleum, chemical industry, electric power and metallurgy. Important parts of cleaning pig: Quick opening closure, tube body, different-diameter pipe, connected pipe of main pipeline, saddle support, pig passing indicator, technical connection pipe Features of cleaning pig: 1 Simple structure and convenient operating are especially suitable for daily maintenance. 2 The quick opening closure is used to rapidly receive and launch pig. 3 There is insurance device, which is safe and reliable. 4 The pig passing indicator can be installed to directly indicate process of receiving and launching.