Linestop Fittings (transmission)

The AUTOBLOCK PLUG FITTINGS are full branch split tees designed for main relocations, equipment tie-ins, linestop operations all without shutdown. They are also used for gas bag installations. The AUTOBLOCK PLUG FITTING is furnished with a drilled and faced autoblock flange, a blind flange with studs, nuts and gaskets, an internal high pressure plug (autoblock plug) with O-ring. They are available in sizes from 4” to 48” Class 300, Class 600 and Class 900. According to size of the main pipeline and the client’s specifications, the linestop fitting can be manufactured with a different reinforcement like: a Weldolet or Pad. If the AUTOBLOCK PLUG FITTING has the same size than the main pipeline (size-on-size), the autoblock fitting needs a full encirclement reinforcement. In case there is no reinforcement needed, TECPESA also manufactures this fitting with a scarfed or flat bottom ending. The AUTOBLOCK FITTINGS are also available with a reducing branch to be used as bypass fittings or to connect different pipeline sizes.

The AUTOBLOCK PLUG 3 WAY TEES fittings are full branch 3 way tees designed for main relocations, lateral connections, line extensions, equipment tie-ins, linestop operations, all without shutdown. The AUTOBLOCK 3 WAY TEE fittings are furnished with a drilled and faced autoblock flange, a blind flange with studs, nuts and gaskets, an internal high pressure plug (autoblock plug) with O-ring and a tee. They are available in sizes from 4” to larger sizes, Class 300, 600 and 900. According to the size of the main pipe and the client’s specifications, the AUTOBLOCK PLUG 3 WAY TEE fittings can be manufactured with different reinforcements like a: Weldolet or Pad. In case there is no reinforcement needed, TECPESA also manufactures this fitting with a scarfed or flat bottom ending. The AUTOBLOCK PLUG 3 WAY TEES are also available with a reducing branch to be used as bypass fittings or to connect different pipeline sizes.

The THREADED FITTINGS are designed for main relocations, lateral connections, line extensions, equipment tie-ins, linestop operations. They are also used for purge & equalization operations. The flat bottom THREADED FITTING includes a threaded internal plug, an O-ring, a threaded external cap and a flat bottom nipple. They are available in sizes 1-1/4”, 1-1/2”, 2”, 3” and in Class 600, 900. According to the size of the main pipeline, the THREADED FITTING needs an additional reinforcement like a: Weldolet or Pad. The reinforcement is according to the client’s specifications.

The THREADED 3 WAY TEE fittings are designed for main relocations, lateral connections, line extensions, equipment tie-ins, linestop operations, all without shutdown. The THREADED 3 WAY TEE fitting includes a threaded internal plug with O-ring, an external cap and a flat bottom nipple. They are available in sizes 1-1/4”, 1-1/2”, 2”, 3” and in Class 600, 900. They allow to plug in different directions. According to the size of the main pipe, the THREADED 3 WAY TEE fittings need an additional reinforcement like a: Weldolet or Pad. The reinforcement is according to the client’s specifications. If the THREADED 3 WAY TEE fitting has the same size than the main pipeline (size-on-size), the threaded 3 way fitting needs a full encirclement reinforcement (right). In case there is no reinforcement needed, TECPESA also manufactures this fitting with a scarfed or flat bottom ending.

The AUTOBLOCK PLUG SPHERICAL 3 WAY TEES are designed for main relocations, lateral connections, line extensions, equipment tie-ins, linestop operations; all without shutdown the line. The AUTOBLOCK PLUG SPHERICAL 3 WAY TEE is furnished with a drilled and faced autoblock flange, blind flange with bolts, nuts and gasket, an internal autoblock plug (high pressure plug) with O-ring, all welded to a full branch sphere. It is available in sizes from 4” in Class 300, 600 and 900. In any case, the maximum installation pressure is the maximum operating pressure of the Equipment. The bottom half of the SPHERICAL 3 WAY TEE can be turned to a side or a bottom outlet. The tee can also be installed horizontally.