... and safer makeup for cementing casing. 2,Positive lever indicates plug releasing.3,Balance pipe is developed.Property Parameters Specifications,mm139 ... /BTCSTC/BTCManifold2"UnionI.D.of Plug Container,mm125160225320Length of Plug Container,mm450450550550Overall Length,mm1400145017201700 API standard DSC single plug cementing head with high quality