Hot Tapping Chilled Water Pipe

Hot tap cold tap is a method of employing an under pressured drilling machine to provide a branch off pipeline from existing main pipe.
Hot tapping chilled water pipe. Hot tap operation the hot tap is made in one continuous process the machine is started and the cut continues until the cutter passes through the pipe wall resulting in the removal of a section of pipe known as the coupon. While hot taps are most often done in piping system they may also be done on pressure vessels and storage tanks to add nozzles. Hot tapping a chilled water system briand2 mechanical 8 aug 02 10 48 i agree with kenrad but i feel i must point out than on two separate occasions i lost 130 tons of chilled water from the system as a result of hot tapping operations going wrong. Method statement of hot tapping much more than documents.
This means that a pipe or tank can continue to be in operation whilst maintenance or modifications are being done to it. Our focus has always been on the customers and we deliver solutions safety and cost effectively by providing the highest quality piping services available. Hot tapping under pressure drilling is a method of providing a branched connection with an isolating valve to a live gas mains water heating or chilled water compressed air etc without interrupting the supply avoiding any shutdowns or purging of the gas or draining of the system. This is done via a coring process on the existing operating pipeline without any interruptions to the flow of medium and system.
Hot tapping or pressure tapping is the method of making a connection to existing piping or pressure vessels without the interrupting or emptying of that section of pipe or vessel. Discover everything scribd has to offer including books and. Hot tapping is the technique used to attach a branch connection to a pipe while the system is in service and then creating an opening in that pipe by drilling or cutting. The tapping adapter will contain the pressure of the pipe system while the pipe is being cut it houses the cutter and cutter holder and bolts to the valve.
Cold tap is used for system that carry flammable medium. Hot tapping branch size dn150 on a cast iron main pipeline under pressure using a steinless steel saddle.