Electrical square plug valve installation use occasion for square pipe, according to different sizes of pipeline can be made different sizes of plug valve, usually this type of plug valve belongs to customized plug valve, its connection size is based on the size of the pipeline, electric square plug valve use range very wide, it can be used both water supply system, or can be used in powder pulp and other systems, also suitable for smoke and other gas empty spaces, and it can also be used according to the different temperature of the site environment rubber soft seal and metal hard seal type, so now this electric square plug valve can be used according to the site requirements high pressure can reach PN10 Tɛ̈n yenë yen tɔ̈u thïn, ka bɛ̈n ya tɔ̈u thïn, ka bɛ̈n ya tɔ̈u thïn, ka bɛ̈n ya tɔ̈u thïn, ka bɛ̈n ya tɔ̈u thïn, ka bɛ̈n ya tɔ̈u thïn, ka bɛ̈n ya tɔ̈u