Associate engineers[ae], is well known nationally and internationally as the leading manufacturer of various types of pipeline equipments and slip joint pipe coupling is a unique one. Slip joint pipe couplings are weld able high pressure couplings for joining of cut pipeline ends. It is specially designed as per section 3 of api 6h. Sizes are100 mm to 1200 mm [4" to 48"] nb and larger. The class are 1000 to 2000 psi for anchored pipes.